Th350 automatic transmission disassembly the school of. The turbo 350 was known as a durable transmission and was used extensively by gm. Gm turbo hydramatic 350 repair, service manual repair. Home decorating style 2020 for turbo 350 transmission rebuild diagram, you can see turbo 350 transmission rebuild diagram and more pictures for home interior designing 2020 181162 at manuals library. This tech tip is from the full book, gm turbo 350 transmissions. Th350 rebuild kit th350 automatic transmission master. That vacuum hose is brand new so not cracked or anything. Automatic transmission, forward shift pattern, automatic valve body, chevy, th350, 4wd,1982 and later 208np transfer case, each 1 part number. Seller assumes all responsibility for this listing. However, over time the turbo 350 will develop problems, as with any type of. Th350 rebuild kit performance turbo 350 transmission rebuild kit. It comes as a performance mega package and also has a ss variant for those.
The turbo hydramatic 350, commonly referred to simply as the turbo, was a threespeed automatic transmission first produced by general motors in 1969. It is ideal for vehicles powered by engines producing up to 400 horsepower with a nonsupercharged system using pump gasoline. Sure, it is only a 3 speed, and in these days of high fuel prices a 4 speed automatic is more cost effective, but i enjoy the th 350 s simplicity. This video covers the disassemble part of this unit. Its clean, doesnt leak, fluid is pink, smells sweet. Where can you find a rebuild diagram for a chevy turbo 350. This transmission was a 3 speed automatic transmission developed jointly by chevrolet and buick.
When the car wouldnt move after he rebuilt it out it came to go to the trans shop. Rebuild or modify your hydramatic turbo 250 1973 1977, 250c 1979 1984, 350 1969 1981, 350c 1979. Learn to rebuild turbo 350 transmission,for rebuild dvds go to. Th350 th400 torque converter 9 12 inch billet converter turbo raptor 9. The plastic gear on the governor wears so it looks like an apple core. Gm turbo 350 transmission rebuild troubleshooting guide.
When it is time for a gm turbo 350 rebuild kit, whether for a muscle car restoration, high performance street vehicle transmission repair, street rod, hot rod, or all out race turbo hydramatic 350, we have the transmission rebuild kit you need for the job. Install them just above the dowel pins on each side of the engine block. Th350 automatic transmission disassembly the school of shift. It is always my only real question when headin out for a cruise. Turbo 350 transmissions for sale th350 race transmission. This is a fine way to whittle what you have in front of you. Automatic transmission rebuild kits th350 transmission type. When it is time for a gm turbo 350 rebuild kit, whether for a muscle car restoration, high performance street vehicle transmission repair, street rod, hot rod, or all out race turbo hydramatic 350, we have the transmission rebuild. Is there a manual to rebuild a 350 turbo transmission on a 1977 chevy truck on line that i can order or down load for free i think if you got to chevy truck parts. According to s gm turbo 350 transmission page, the code for 1969 to 1972 transmissions is on the passenger side accumulator cover. This book is packed with over 256 pages and more than 700 photos and illustrations. It is also a great manual for modifying your transmission.
Some fluid will still be trapped under the valve body, under the accumulators, and in the case oil passages. Find quality turbo 350 transmissions for sale at day motor sports. These th350 race transmissions are built with tough components for lasting performance. This allows the governor to slip and cause erratic problems. Heavy duty th350 transmission, heavy duty turbo 350. The monsterinabox transmission rebuild kit for the th350 is available for gm vehicles. The turbo 350 transmission was introduced beginning in 1969. Curt from curts corner takes you step by step through the tear down process of a th350 automatic transmission. Automatic transmission rebuild kits th350 transmission.
Turbo 350c th350c automatic transmission parts and diagram turbo 350 th350 automatic transmission parts diagram exploded view. Teeth should be uniform, and the weights and plunger should move freely. Cooling lines on turbo 350which is oil out, which is return. Engineered to dominate, the turbo 350 mega monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tirespinning shifts race after race. One of my customers figured he could rebuild his c4, i had my doubts. Th350 transmission identification drivetrain resource. Gm 350 transmission rebuild fundamentals chevy diy. Put a little pan under it, and pop off the governor cover.
This pce traction drive systems transmission is a complete ready to run unit less the converter for high performance street and mild strip use. Quick ship th350, turbo 350 transmission with free torque. Th350 rebuild kit performance turbo 350 transmission. Unfollow turbo 350 transmission rebuild kit to stop getting updates on your ebay feed. This involves a process of elimination, usually starting from the simple, easytocheck items, then moving on to more difficult items in logical sequence. If you counted, you are either looking at the turbo 350 transmission or the turbo 400. It is a relatively rugged, compact transmission that lends itself to a wide variety of applications and modifications. This manual goes much deeper into detail of installation. Th350 transmission parts instock with sameday shipping. Hot rod enthusiasts can attest to the popularity of the turbo 350 transmission. This is a new series i have started an i will show how to dissassemble an reassemble a th350 the easy an save you money.
On a turbo 350 the 2 oil cooling ports are vertically aligned, one above the other. The th350 turbo hydromatic 350 was a transmission developed in a joint venture between buick and chevrolet in the late 1960s. Th350 transmission parts,th350 transmission rebuild kits,sonnax transmission parts. One common problem is the governor gear apple coring. Please feel free to share this article on facebook, in forums, or with any clubs you participate in. Need to read an 8page th 350 parts catalog and explodedview diagram our friends at transtar have one here that you can.
Gm turbo 350 transmission rebuild troubleshooting guide troubleshooting is the stepby step process where you can logically diagnose a problem. Performance gm turbo 350c transmission rebuild kits. Certainly the easiest way to identify a gm automatic transmission is by the bolt pattern. Home decorating style 2020 for turbo 350 transmission rebuild diagram, you can see turbo 350 transmission rebuild diagram and more pictures for home. Turbo 350 th350 transmission heavy duty performance. Turbo 350 transmission rebuild diagram at manuals library. The turbo 350 underwent few changes in the seventeen. Jan 28, 2011 learn to rebuild turbo 350 transmission,for rebuild dvds go to.
Feb, 20 the threespeed automatic transmission enjoyed a service life of nearly 20 years as it was stuffed behind smallblocks and v6 engines in most rearwheel drive cars and trucks through 1984. Its simply easier to stand under the vehicle to work rather than lying under it with the vehicle raised by a floor jack and supported on jack stands or on a set of car ramps. T350 with chevy case forward manual with band apply. Summit racing sum705000 summit racing automatic transmission rebuild kits. At global transmission parts we offer multiple options of th350 rebuild kits to choose from. Automatic transmissions th350 transmission type free. Gm turbo 350 transmission installation guide chevy diy.
Christensen also suggests that if youre having a th350 rebuilt, consider adding highperformance clutches and reducing drag or friction allowing the transmission to pass more power onto the rear. Abandoned chevelle will it run after 30 years and drive 600 miles. Need to read an 8page th 350 parts catalog and explodedview diagram. Its not only a racing clutch but can cross over to the heavy duty market with a high mileage durability. This transmission is part of the turbo hydramatic series and also know by. Dipstick tube replacements for transmissions turbo 350 jegs. Automatic transmission rebuild kit, gm, th350, nonlockup, 30spline, kit. This transmission was designed for small block 350 engines manufactured by chevrolet. This kit comes with all the parts you could ever need to get your transmission up to the monster level. Turbo 350 th350 automatic transmission parts diagram exploded view. 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.
A vehicle lift makes transmission removal and installation much easier. Gm turbo hydramatic turbo 350 non electronic shift models street and strip applications with splined torque converter. Shop the industrys largest selection of transmission dipsticks at. We want you to get the parts you need for your th350 transmission. How to troubleshoot, remove, rebuild and install howto book is a top notch diy resource for the turbo hydramatic family of transmissions. Although they were both under the general motors umbrella, at the time they acted as completely separate entities, whereas now the developers at general motors powertrain work only for gm, not chevrolet or buick. This video covers the disassemble part of this unit covring what is the most common failures of it. Transmission rebuilding is not overly difficult, but it does involve. Ive put a couple of shift kits in transmissions in my day, but when its time to pull the internals, no thanks, ill just hand over the transmission and the visa card. Fits chevy gm turbo 350 th350 transmission dipstick chrome finish.
I have just purchased an external transmission oil cooler for the roadster pickup, and the recomendation is that it be hooked in series with the cooling loop in the bottom of the radiator, downstream from the radiator, which would be in the return line leading into the turbo 350. With his proven style, ruggles goes through the stepbystep rebuild and performance upgrade procedures in a series of fullcolor. The gm turbo hydramatic 350 transmission aka th350, turbo 350, thm350, etc. For a comprehensive guide on this entire subject you can visit this link. Turbo 350c th350c automatic transmission parts and diagram. Th350, th 350, thm350, thm 350, m33, m38, m39 th350 rebuild kit th 350 automatic transmission master overhaul banner box set opt product code. The accumulator cover is a small, round domeshaped cap, located in the middle of the transmission. Slot them with a hacksaw or cutting wheel so they can be turned with a flatblade screwdriver. Transmission rebuilding is not overly difficult, but it does involve attention to detail, and exact precision in every area. What would cause a turbo 350 to not shift out of 1st gear. The th350 was still produced many years beyond 1986 for export sales.
You will feel empowered to tackle any tranny rebuild job with this book at your side. Oct 29, 2015 the transmission should be thoroughly drained prior to taking it apart. Buy thm350 turbo hydramatic 350 transmission kit tranny kit. These transmissions mate a threeelement turbine torque converter to a simpson planetary geartrain, providing three forward speeds plus reverse the turbo hydramatic or turbo hydramatic thm series was developed to replace both the original. This is part 2 ot the thm 350 transmission rebuild. I have had a number of vehicles that came equipped with this transmission, and they have always worked well for me.
Turbo hydramatic or turbo hydramatic is the registered tradename for a family of automatic transmissions developed and produced by general motors. Dip01 901j retaining clip, governor cover 6498 1 th700. Dont lay out a couple thousand on a transmission when its completely. To help guide the transmission onto the engine, make a couple of guide studs. Performance gm turbo 350c transmission rebuild kits multiple. If you are looking to do a major overhaul to your gm th350 automatic transmission then this is the kit for you. All listings current page auction buy it now classified ads. Th350 transmission heavy duty 2wd, th350 transmission, rebuilt th350 transmissions, chevy th350 transmission, performance th350, th350 rebuild, th350 transmission torque converter. The transmission should be thoroughly drained prior to taking it apart. Cut the heads off of a couple of 38inch bolts with a hacksaw and grind the cut end to a point.
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