Where are the cracks in the TH350 transmission case?

Where are the cracks in the TH350 transmission case?

Be sure to also check the case very closely for cracks. I’ve seen a few TH350 cases cracked in the bellhousing area. These cracks are usually located where the main part of the case starts to fl air out into the bellhousing area, but may not be visible at a glance. You need to clean the case well enough to locate any cracks prior to assembly.

What is bolt in center support Assembly for GM TH350?

This par-ticular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. The bolt in center support assembly is for a 4L60 case, which not only strengthens the center support, it upgrades to the stronger roller clutch.

What should I do with my GM TH350 transmission?

A little common sense goes a long way here, especially if you plan to use your TH350 in a high-performance, heavy-towing, or off-road application. Once the case is cleaned and securely mounted in the holding fixture, drive out the case bushing.

Where to install snap ring on Chevy TH350 transmission?

Install the snap ring and release the spring compressor. Make sure that the ends of the snap ring are between the raised areas of the spring cage. Clamp the output shaft in a vise with soft jaws. Remove the bushing inside the front of the output shaft.

What kind of transmission does a GM TH350 have?

GM TH350 Automatic Transmission The TH350 is an automatic shift, three-speed transmission. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. The HydraMatic 350 transmission was prevalent in nearly all GM, rear-wheel-drive cars and trucks through 1984.

Be sure to also check the case very closely for cracks. I’ve seen a few TH350 cases cracked in the bellhousing area. These cracks are usually located where the main part of the case starts to fl air out into the bellhousing area, but may not be visible at a glance. You need to clean the case well enough to locate any cracks prior to assembly.

This par-ticular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. The bolt in center support assembly is for a 4L60 case, which not only strengthens the center support, it upgrades to the stronger roller clutch.

Where can I find a steel clutch pack?

View Steel Clutch Packs >> Use the “Search by Manufacturer” list on this page to search for clutch packs by another automotive manufacturer. Find the right automatic transmission friction clutch pack for your next rebuild.

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