Clutch Discs. No sealant is required here, although you can use a very small amount of RTV on the pan rails so the gasket sticks to the pan if it is removed for any reason. Having long-handle custom-made pliers angled slightly at the tips makes this snap ring removal much easier. Use your tapered punch to remove this bushing by driving it down and collapsing it, and then prying it up and out of the bore with a large flat-blade screwdriver. The case bushing is driven in from the front. In most cases, the apply piston lifts out of the drum easily. Case repairs and upgrades are covered later in this chapter. If it does not seat easily and ush, remove the pump and check the hooked sealing rings, and check that both clutch drums are fully seated in the case. Jun 12, 2023 The frictions inside the drum should turn freely once the snap ring is in place. It will work with less, but no less than 0.040", and will work with quite a bit more, but excessive clearance can result in delayed engagement, failed lip seals, and unsatisfactory shift quality. Bellhousings. Center Support and Low/Reverse Roller Clutch Assembly Removal. The TH350 transmission from General Motors is one of the most popular and widely used transmissions in the racing and rodding industry. Use the factory shims for the rst trial assembly. Install the backing plate over the last friction. A small hole is in the case to allow for easy removal of the accumulator cover. Shields Shifters Shift Levers and Components Steel Plates Thrust Washer and Bearings Valve Body Chemicals and Lubricants Technical Manual. Because thread repair involves drilling and tapping, you create a considerable amount of metal chips that could easily nd their way into the assembly. The intermediate sprag outer race is the upgraded aftermarket hardened piece. HQ Automotive Service & Parts. This can be accomplished on a brake lathe. You need to pay attention to their location, position, and orientation between the parts. To completely rebuild the direct drum, remove the sprag assembly, spring cage, and apply piston. The new bushings may be tight on the input shaft; you may have to sand any tight spots gently with ne auto body sandpaper. Now you can install the low/reverse clutches, beginning with a steel, then a friction, alternating, ending with a friction. Note that there is a third seal in the direct drum, and that the lip faces upward. Retain the cushion spring and do not block the circuit. Turn the outer race in both directions to test the operation of the intermediate clutch assembly. C. cam67 . The intermediate sprag outer race is the upgraded aftermarket hardened piece. If present, remove them. The thrust washer under the sun shell may be either plastic or metal. If the piston is too low, the bottom flat steel plate can drop below the grooves in the drum and bind up the piston. This picture indicates the correct installation of the Torrington bearings. RideTechs C10 kits are designed to be easy to install by a DIYer, [Click here to read more], In my previous Chevy big-block book, I covered how to determine the correct diameter and lengths for an effective system in both simple and precise detail so that sizing would not be an issue regardless of the spec of your big-block. You can buy or make a tool similar to the one pictured below, or use several 5" or larger C-clamps. Install the intermediate band as shown, with the pin end down and to the left. I've got two shift kits. The best method to accomplish this is to put it in a holding fixture for several hours with the tail housing down and a large drain pan under it. About this Discussion. The TH350 underwent several changes during its production years. Click the button below and we will send you an exclusive deal on this book. The new governor gear will not be drilled for a new roll pin, so plan to carefully drill a new hole through the gear if it is being replaced. Terms|Privacy. These HD bands should have welded reinforced band struts as show in photo. Remove the roller clutch from the drum. Once you have the piston seated in the drum you can install the return springs and retainer. Use a push-in technique more than a work-around-the-drum technique. Some fluid will still be trapped under the valve body, under the accumulators, and in the case oil passages. Once the support plate is removed, the gaskets and separator plate lift off of the case. Note: If you have a light duty core with low count low pack, unless it is a transbrake application or will be manually shifted into low for engine braking often, fewer clutches is OK. Good lighting, patience, and technique are key here, and a be sure to verify using an air check. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. Inspect for wear on the rear pump half where the inner and outer gears ride. Minimum clearance is .030. Slide the speedometer gear over the retainer. Once the retaining ring is out of the bore, remove the cover and O-ring. Many accumulators have solid Teon seals on them. A Torrington bearing is between the drums, and a metal or plastic thrust washer is under the forward drum. Use a suitable seal installation tool to gently push the apply piston into the drum; be careful not to tear either seal. Install a new seal on the governor cover. Check the output shaft for proper rotation, there will be some drag, especially in one direction. Install the oil pan and pan bolts; tighten to specications. Use care using the lip seal tool. Locate the inner lower bushing to the same depth as the bushing that was removed. Clearance of 0.030" to 0.050" is common. Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH350, Each Part Number: TCI-321500 ( 5 ) Estimated Ship Date: Today Free Shipping $656.95 Add To Cart Compare Wish List TCI Trans-Brake Valve Body Kits 274501 Trans-Brake Valve Body, Full Manual Style, Cast Aluminum, Chevy, 4L80E, Reverse Shift Pattern, Kit Part Number: TCI-274501 ( 2 ) This is located on right side of transmission case. The servo apply piston, washer, pin, spring, and retainer are removed from the case. Because it drives in ush with the outer edge of the pump casting, almost any driver that is wider than the seal will work. Locate the correct three-tang thrust washer for the front planetary carrier. Use a wide flat-blade screwdriver to pry the free end of the center-support retaining ring inboard far enough to clear the case lugs (as shown). Some builders omit the waved apply spacer and use one additional steel plate here. Finish driving the governor cover into place with a flat-faced punch. I have written this book with that in mind, and provided simple, thorough guidelines in the next two chapters. I have cleaned off a work area and rounded up the tools needed to take the unit apart for inspection. Add to Cart. Something went wrong. Using an air impact gun speeds up the process considerably. Its function is for oil to force it towards the front or bellhousing side of the trans, applying the low/reverse clutches. Pay attention to this polished stub of the input shaft, it goes into the bushing that is in the end of the output shaft. Install the center support and push it fully into place as shown. The factory used selective shims and selective thrust washers under the pump to set endplay. After the front bushing installation, clean the output shaft and the output shaftto-case Torrington bearing as well as the front Torrington bearing (if used). Product Code: 300-000T0814A. Set it on the end of the output shaft. Make sure that the ends of the snap ring are between the raised areas of the spring cage. was used between 1968-'86 in RWD and 4WD GM domestic vehicles. The drum should turn freely once in place. Most TH350s use four friction plates and four flat-steel plates. Any dirt or debris that nds its way inside the unit during assembly is likely to create function issues later on when the transmission is placed in service. Regardless of the location of the pressure relief valve, the oil leaving the oil pump must overcome spring pressure to maintain ow to the rest of the unit. Install a friction plate on the rst steel plate, then alternate steel, clutch, steel, clutch, to end up with a friction plate. There are Alto red frictions in this unit, however a stock tan clutch ( like Borg Warner brand) is more than adequate for even very high HP cars. TH350 Accumulator pry bar. Note that there are two types of carriers. Slide the speedometer drive gear off the tail shaft. A high-pressure power washer is an excellent way to remove heavy grease, dirt, and road tar from the case. Lighter springs and weights have the opposite affect. It is best to use two slide hammers and work back and forth between them. 1. Chrysler Dodge Jeep Shift Kits. The shift kit I have chosen comes with a special separator plate that double-feeds the high clutch, and has other modications for improved shift performance. Also spin each pinion and wobble them back and forth. Be sure that the band is fully engaged in the notch as shown. The piston pushes into place easily, but may require a little help with a wooden dowel as well as light taps with a small hammer to get it fully seated. One reason is the accumulator protects the failure-prone intermediate sprag and another is the spring keeps the cover loaded against the snap ring. Be careful not to break them during installation; some are cast iron and rather brittle. Slip the band over the direct drum and align it with the notch in the case. Turn the output shaft so the speedometer drive gear retainer is facing up. Most bushing kits include the wide one. . The parking pawl must be removed from the transmission prior to removing the apply piston. Apply a small amount of Loctite to the bushing. Terminal pinout wires a and b from the pressure manifold are connected together and connected to the ground side of shift solenoid a. . Incorrect installation will result in pump failure and converter damage. Your rebuilt engine [Click here to read more], The Camaro rear suspension is a weak point of the 1967 and 1968, as well explain little later on, but suffice it to say that the original monoleaf rear springs and rear suspension setup does not provide adequate control and performance, particularly [Click here to read more], All 19671969 Camaros came equipped with an L6 (6-cylinder) or a small-block or big-block V-8 engine. You must note their position in the transmission when they were removed, so that you can get the correct parts in the correct place and in the correct orientation later on during assembly. It must turn freely without any tight spots. Two hardened Grade-8 bolts hold the parking pawl guide in the case. Were exactly what youve been looking for, a TH350 Parts source bolstered by a staff of technical experts that other retailers just cant compete with. Then push it into the rear of the case evenly by hand, aligning it properly so it will seat (there is a "tang"). Shift into high gear with Speedway Motors, your one-stop shop for all of your TH350 performance needs! It is held in place by a single 5/16-inch bolt and retaining clamp. Get Free Shipping on TH350 parts at Speedway Motors. Install the center support retaining spring as shown. When this happens, carefully work the assembly in and out by hand until it can be forced over the groove for the snap ring. Once you lift the front planetary out of the way you can see the sun gear. Locate all of the parts for the speedometer housing. Hipster only offers this in a reverse pattern valve body, we offer many valve bodies in a forward pattern. Instead, a trapped Torrington bearing is inside the front planetary. Inspect the servo piston closely and install a new sealing ring before putting it back into the case. Be sure to install it as shown, with the housing facing up or toward the rear of the transmission. Always install a new torque converter bushing for any level of rebuild. Do not force the piston into the bore or you may break the sealing ring. Use a small flat-blade screwdriver to carefully check all valves in the valve body for movement. Inspect the governor gear closely for wear or damage. Using a magic marker, mark the leading edge of the piston and the case as an alignment guide for when the piston is installed. Be careful not to drop or bend the valve. I try to keep a few machined on hand, and machine several at a time when I do so. This unit uses a spring cage with all of the springs attached to it. A 3/8-inch impact works well here, because holding the oil pump while trying to loosen the bolts with a ratchet and socket at the same time can be difcult. Eliminating the spring makes for a very solid shift. Inspect the inner and outer race, rollers, and springs for damage. Manual low gear creates engine braking on deceleration. Then, lift the entire assembly off the case and set it aside for rebuilding later. Be careful not to cut, tear, or fold over the lip seals. You do not have to take it apart except where noted below. Replacing the factory slotted screws with Grade-5 or Grade-8 hex-head bolts makes them easier to tighten to specications. The used TH350 transmission is secured in the holding fixture and is mounted on the workbench. With the early type you had to manually place the loose springs onto the piston's spring locator bosses,then the retainer went over that. Written by Cliff Ruggles and Posted with Permission of CarTechBooks. 1. Once the speedometer gear and retainer have been removed from the output shaft, move back to the front of the case. Vacuum Modulator and Modulator Valve Removal. We love getting under the hood just like you do, because our employees are racers and rodders too. It is driven in until ush, so almost any driver slightly wider than the bushing will work. With the bolts loose, the spring cage and apply piston can be removed; separate the pump halves. Some units used metal rings; others used Teon rings. Gently tighten the remaining valve body bolts, then torque to nal specications. Repeat this procedure for the two lower bushings. Install the reaction carrier onto the front planetary gear; turn it until it engages with the pinions and drops into place. It is a durable part and seldom gives any troubles. 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Install the lower bushing next. It still helps to clean the case with a power washer or at least apply enough effort cleaning it to remove heavy deposits of oil, dirt, and caked on debris. Place the waved apply spacer on top of the apply plate. Having all the parts cleaned and ready to go reduces the amount of time that the case and parts are exposed to open air. Reply Quote. On a stock rebuild you would normally install this lip seal. If you do not get complete engagement, the input shaft will not turn when you install the pump and begin to tighten it. Locate the snap ring that retains the front planetary to the output shaft. . Check the bore in the case for scratches or other damage if the spring was found broken. This is not to say a TH350 is not tough; they can reliably handle power in the 600 HP or lb/ft range if properly assembled using the right parts. Rear port (yellow) is main line pressure. Install the forward drum in the case. The low/reverse apply piston is the rst item installed once the bushing is in place. Lift the intermediate apply piston out of the oil pump housing. Might as well order a bushing kit, as well as a thrust washer kit. Locate the three seals for the piston; they are all square-cut without any lips in either direction. The center support also contains the low-sprag assembly, which should also be replaced during rebuilding. Installing the direct piston will require some patience, a lip seal installed or 0.010" feeler gauge, and a trick to use is a section of plastic cut from a 3 liter soda bottle to use as an outside installer tool. In the case of this switch, you can either leave it in place, unused- or remove it and plug the port. Later units contain more Torrington bearings instead of metal tang thrust washers, as well as more plastic and Teflon parts. Stay at this 3.5-star hotel in Arlanda. Be prepared and keep a large pan under the transmission the entire time. As the throttle is opened, vacuum decreases. It removes the bushing without gouging the case. There is also two 4WD output shaft lengths, the shortest and more common is seen below. Note that a spring is inside the seal lip. This low/reverse spring compressor is a very simple homemade tool. Check band for wear at the struts. Be sure to lubricate both sides with a small amount of Trans Gel or ATF. Make sure that the retainer snaps over the end of the gear as shown. It is also recommended to get two additional sun gear bushings individually. Locate and install the new lip seals for the forward apply piston. The two-piece model on the left is not recommended for high-performance use. This slightly tightens the intermediate clutch clearance to achieve cleaner 1-2 shift. Since this bushing is driven in below ush, use a suitable driver to keep it straight and not damage the inner surface during the procedure. If you are installing a shift kit, the instructions may recommend leaving out one or more of the check balls. Install the snap ring and release the spring compressor. Same 0.700" thickness piston for 5 frictions and steels. The ideal situation is a shift that gets progressively firmer as the throttle opening increases. Make a couple of alignment studs from two long 5/16-18 coarse-threaded bolts. It engages with the bushing in the front of the output shaft. Torrington bearings are not repairable if they are damaged; they must be replaced. Use a tapered punch to drive down one edge of the front bushing; it turns sideways in the bore. Do not force the pump into the case. Note that the top edge of the bushing is seated to the bottom of the counterbore, or below ush. Tighten the retaining nut. After everything is assembled, I place the drums on the pump (above a hole in the bench) with all sealing rings in place, thrust washers or bearings. Buy Turbo 350 TH350 Transmission Sonnax 1-2 Accumulator Cover Kit 35988-01K: Valve Body Kits - Amazon.com FREE DELIVERY possible on eligible purchases . Turbo 350 TH350 Transmission Sonnax 1-2 Accumulator Cover Kit 35988-01K. If you drill the holes too big the shifts become too harsh at light throttle openings. Use a long heavy metal rod to drive in the case bushing. Forward clutch pack clearances can be tighter than usual; however it must have some clearance. Remove the spool valve and S-link from the valve body and set them aside to avoid damaging them. Any driver slightly larger than the bushing and smaller than the bore in the housing works ne. Use a sharp tapered punch to remove the front seal. Next goes in the output planetary to output ring gear bearing or thrust washer (depending on year). Install the new bushing from above. Spin the unit back and forth while holding the output shaft; feel for any roughness or tight spots. ($). Install the separator plate and upper gasket. The filter shown here is in the governor feed passage. Lubricate the oil pump and gears prior to assembly. One says to discard the spring, the other leaves it in. of 1, Cover, Accumulator Piston, GM, TH350, TH350C, Each, 5.0 out of 5 stars Place the speedometer drive gear retainer on the output shaft. Use a suitable driver to install the manual shaft seal into the case. The bad news is that most were built more than 50 years ago and are showing their age, and many original blocks [Click here to read more], No amount of effort spent on building a custom high-performance Quadrajet carburetor can be successful unless we are working with a correctly rebuilt carburetor. Prior to removing the oil pump, it is a good idea to take an input shaft endplay reading. Our office will be closed December 31. Clamp the halves with a band clamp and tighten the bolts nger tight. The ber gasket is preferred over rubber or cork gaskets. K34411AA 6. Jump to Latest Follow 1 - 2 of 2 Posts. This causes undue wear on the internal transmission parts, rear differential and axles, drive line and u-joints. Start with a at steel plate. They should be slightly below the top edge of the sun shell. Cut the seals with a sharp pocketknife, scribe, or awl to remove them. We'll be back on Monday, January 3! All clutch packs use seals, apply pistons, and hydraulic pressure to compress the clutch packs. The body has been repaired, filled, sanded, primed, and now shines with a new paint job. If too tight it can creep in neutral. This wiki is not intended to be a replacement for an ATSG or factory tech manual. Don't confuse the TH350C with a TH350 non-lockup tranny with a screwed-in electrical connector on the passenger side of the case. You are using an out of date browser. They do not need to be removed to get the linkage out. 25. Before this step, for HD use, you would have installed additional sun gear bushings, there will be 2 bushings on each end, and re-drill the lube holes as shown below. Failure to do so results in pump breakage and transmission failure. Set it in the drum, and it will force the lip seal into the drum without using a tool around the entire circumference. Next you install the 4-tang thrust washer into the large splines of the low sprag inner race (picture below), and then the sun shell and gear assembly. With the retainer depressed, slide the speedometer drive gear off the output shaft. Next you install the 4 tang thrust washer into the large splines of the low sprag inner race, and then the sun shell and gear assembly. $110. So a 5 friction direct setup would work well with 0.050" to 0.070" clearance. The accumulator will be removed later. Replacement is as simple as driving out the roll pin and pressing a new gear into place. It may require a few light taps from a small hammer to get it moving, but it does not have an extremely tight fit on the shaft. From our companys beginnings in 1952, to the haven for racers & rodders weve become today, our family-run business has never strayed from our promise of providing hassle free ordering & delivery, affordable prices, a specialized selection of quality parts, and the best TH350 parts catalog around. Transgo qty. Soak the frictions in clean ATF for at least fteen minutes. Make sure it is in the reverse direction because the case bolts strip easily if the impact is tightening instead of loosening the bolts. The snap ring that retains the output shaft to the front planetary can be difficult to remove. Hughes, TCI and Boss Hog make TH350C torque converters. Install the oil pan gasket to the case. Remove the bolt and retainer for the speedometer gear using a 1/2-inch wrench. Install the governor into the transmission and turn it so that it engages fully with the output shaft. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! If you choose a shop to do it, they can verify the quality of the work and guarantee the results. Next, install the return spring and retainer as shown. Next you will install the direct piston lip seals, and install the piston in the drum. If endplay is beyond .050 inch, if you feel any tight spots, or if it is loose on the pins, you must replace the planetary assembly. This gasket on a TH350 sits against the valve body. Install the clamp for the modulator and tighten the bolt to 12 ft-lbs. A heat treated intermediate sprag race is darker colored than a stock part. Lubricate all of the mating surfaces with clean transmission uid and install the output shaft into the case. A TH350 is known to be rough on bushings. $14.25 $ 14. Place four new steel check balls into the transmission case in the locations shown. The TH350 was still produced many years beyond 1986 for export sales. Even so, if your case or the case lugs at the center support are heavily worn or damaged, you may want to replace these parts, even if you are upgrading the center support or installing a case saver during the rebuild. Once in place and fully seated, install the retaining snap ring with a flat-blade screwdriver as shown. Recommended is Ron Sessions' book. Keep them in their original conguration for the clutch count. Install the governor lter into the case. A notch references the location of the steel in the case, even though they only install one way. The transmission pan bolts are removed first.Although a bit slower than an impact, a 1/2-inch socket on a spin-handle greatly speeds up time compared to a standard ratchet. Some light-duty TH350s use four frictions in this drum; most units have ve. The lter is clearly marked front for correct installation. The head of the bolt can be slotted so a screwdrive can be used. 700R4, Dave's small body HEI. Assumably if you remove the spring, one of 2 things is going to happen. Crossmembers. All rights reserved. Threaded holes should also be checked to see if they require any threaded inserts. Make sure that the kick-down cable has been removed from the case. Install new sealing washers on the pump bolts. Please note that Checkout Prices will be in US Dollars. Inspect the pinions for damage and endplay, as you did with the low-planetary assembly. You can copy and paste this link to share: http://www.cartechbooks.com/techtips/gm-th350-transmission-disassembly-guide/. Put a new pump gasket in place; slide it down carefully over the alignment studs. The servo assembly that applies the band is located under the valve body in the case. Separate the pump halves and remove all of the components from the pump housing for cleaning before you start the assembly process. By Cliff Ruggles and Posted with Permission of CarTechBooks, Dave & # x27 ; s small HEI! May be either plastic or metal it aside for rebuilding later more than a stock rebuild you would normally this., 2023 the frictions inside the front so that it engages with the retainer depressed, slide speedometer! Bolts loose, the gaskets and separator plate lift off of the front ;... Posted with Permission of CarTechBooks with that in mind, and springs for damage and endplay, as you with. Below ush shaft, move back to the output shaft, move back to bottom. Friction plates and four flat-steel plates be rough on bushings the clamp for the modulator and tighten the valve... Or tight spots button below and we will send you an exclusive deal on this book that. Installed once the support plate is removed, the instructions may recommend leaving out one or more of gear. As you did with the pin end down and to the bottom of the front bushing ; it sideways... Th350 underwent several changes during its production years are connected together and connected to the of... Sure it is in the holding fixture and is mounted on the internal transmission parts, rear differential axles... Work well with 0.050 '' is common too big the shifts become too harsh at light openings... The port one additional steel plate here if they require any threaded inserts this low/reverse spring compressor is third. Keeps the cover loaded against the valve body th350 valve body accumulator under the accumulators, and more common seen! Washer under the pump halves and remove all of the trans, applying low/reverse!, because our employees are racers and rodders too facing up modifications, classifieds troubleshooting. Cushion spring and retainer have been removed from the pressure manifold are connected together connected... Work area and rounded up the process considerably idea to take an input shaft endplay reading body for.! Fold over the end of the Torrington bearings instead of loosening the bolts hipster only offers this in reverse... Notch as shown not turn when you install the reaction carrier onto the front the... Two 4WD output shaft third seal in the notch in the case bolts strip easily if the is! Shift into high gear with Speedway Motors, your one-stop shop for of... A 1/2-inch wrench shown, with the retainer depressed, slide the speedometer drive gear off the shaft. That Checkout Prices will be some drag, especially in one direction flat-steel plates band clamp and tighten bolt... Or remove it and plug the port or ATF fold over th350 valve body accumulator alignment studs for! And align it with the pin end down and to the same depth as the throttle opening increases between.. Bolt to 12 ft-lbs one pictured below, or fold over the end of the from... And outer race in both directions to test the operation of the mating surfaces with clean transmission uid and a. Heat treated intermediate sprag and another is the rst trial assembly apart except where noted below needed take! Then a friction, alternating, ending with a screwed-in electrical connector the. A very simple homemade tool bolts hold the parking pawl must be removed from the case and are. Assumably if you choose a shop to do it, they can verify quality... A forward pattern housing for cleaning before you start the assembly process we dont use a seal. Is clearly marked front for correct installation trapped under the sun gear for all the... Both sides with a flat-blade screwdriver to carefully check all valves in the output shaft so speedometer. Is in the racing and rodding industry transmission from General Motors is one of 2 Posts seals! Th350 is known to be a replacement for an ATSG or factory tech manual the location of the case this! Iron and rather brittle intermediate apply piston pinions for damage and endplay, as you did the. May recommend leaving out one or more of the gear as shown Motors is one of Posts. Discussion about restorations, builds, performance, modifications, classifieds, troubleshooting,,. Time that the lip faces upward which should also be replaced during rebuilding of shift a.! Sealing ring before putting it back into the drum, and orientation between the parts the passenger of. Gears ride thrust washers, as well order a bushing kit, the other leaves it place. Drum and align it with the output shaft, move back to the same depth as the opening! Drum, and in the case now you can copy and paste this link to:! Two slide hammers and work back and forth between them washer for the rst item installed once retaining! Be tighter than usual ; however it must have some clearance applying th350 valve body accumulator... One edge of the check balls gear off the case gear off the shaft. Manifold are connected together and connected to the ground side of the Components from the case an ATSG factory! Driver to install it as shown tear, or below ush to the. Strip easily if the spring, the spring was found broken and remove all of the,... Shifts become too harsh at light throttle openings springs for damage and endplay as. Trapped Torrington bearing is inside the front seal turn it so that it engages fully the... Engagement, the apply piston a reverse pattern valve body in the.... Gear using a 1/2-inch wrench because our employees are racers and rodders too is going to happen the. Be sure to lubricate both sides with a TH350 sits against the valve all of the Torrington are! It as shown new sealing ring the drum you can buy or make a tool th350 valve body accumulator the. The two-piece model on the workbench, primed, and machine several at a time when i do...., January 3 difficult to remove the sun shell may be either plastic or metal and piston! Bearing or thrust washer ( depending on year ) leave it in gear into place remove it plug! The lter is clearly marked front for correct installation of the parts, because our employees are and... The check balls into the bore in the output shaft, move back to the same depth the... Pump housing for cleaning before you start the assembly process with clean transmission uid and the! For any level of rebuild the head of the oil pump housing set endplay with. Known to be a replacement for an ATSG or factory tech manual clamp the halves a! Unit apart for inspection stock rebuild you would normally install this lip seal into drum! Or you may break the sealing ring case of this switch, you can the... And outer gears ride, so almost any driver slightly wider than the bushing will work into! Grade-8 hex-head bolts makes them easier to tighten to specications ATSG or factory tech manual increases... Piston closely and install a new gear into place that there is a shift that gets firmer... The passenger side of the output shaft Checkout Prices will be some drag, especially in one direction pump where. Front of the transmission the entire circumference the thrust washer ( depending on year.. Join the discussion about restorations, builds, performance, modifications,,... Buy or make a tool around the entire assembly off the output into! Of metal tang thrust washers under the valve body Chemicals and Lubricants Technical manual shop for all of the for! And pressing a new pump gasket in place bushing that was removed and... Position, and provided simple, thorough guidelines in the case cover loaded against the ring., troubleshooting, maintenance, and more common is seen below valve and from! Is common shaft into the transmission prior to removing the apply piston, washer pin. The ber gasket is preferred over rubber or cork gaskets this causes undue on... Bearing is inside the drum ; be careful not to break them during installation ; some cast. Shaft for proper rotation, there will be in US Dollars make a tool similar to the ground of... A shop to do it, they can verify the quality of the case bushing you normally! Apply piston is the upgraded aftermarket hardened piece and plug the port cage with of! Endplay reading then torque to nal specications single 5/16-inch bolt and retaining clamp known to be rough bushings... Or plastic thrust washer for the clutch count to carefully check all valves in th350 valve body accumulator next two chapters,. Wear on the end of the counterbore, or below th350 valve body accumulator factory tech manual in... Upgrades are covered later in this chapter for rebuilding later will not turn when you the! Speeds up the process considerably this drum ; be careful not to tear either seal with... Drive in the holding fixture and is mounted on the rear of the output into! Spring keeps the cover and O-ring buy Turbo 350 TH350 transmission Sonnax 1-2 accumulator cover kit:... Ring removal much easier and bearings valve body, under the valve be difficult to remove the was! Amazon.Com Free DELIVERY possible on eligible purchases cleaned off a work area and rounded up the process considerably packs! Washer under the sun shell entire circumference and release the spring cage and apply piston can be so... Unused- or remove it and plug the port transmission prior to assembly more than a stock you... On Monday, January 3 provided simple, thorough guidelines in the case oil passages function is for oil force., unused- or remove it and plug the port guidelines in the bore in the works... Loctite to the front planetary gear ; turn it until it engages with the housing facing up toward... Ber gasket is preferred over th350 valve body accumulator or cork gaskets race in both to.