automatic transmission
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K
TH400 Rebuild or replace?
I was driving my 86 K30 with a TH400 3 speed auto trans today and it sounded like it slammed down a gear and then the RPMs went flying. I still have reverse and it tries real hard to move forward but makes a lot of grinding sounds. My question is do I rebuild or replace? If I rebuild what kit do...- Kelly C
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- automatic transmission chevy k30 one ton square body chevy th400
- Replies: 1
- Forum: Transmission & Transfer Case
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New GMC Owner with shifting troubles
Hello squarebody community! I'm new to the world of 80s tech/ vehicles, but I'm eager to learn the workings! I've been working on my 1981 GMC G3500 5.7L V8 for about 8 or 9 months. Over the winter I had it stationary and parked so it hasn't been engaged with or running for a while. The past...- WhosCacti
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- automatic transmission shifting problem transmission
- Replies: 38
- Forum: Introduction
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1977 K10 Scottsdale Transmission wont shift
I just got my Brother Michael's 1977 K10 Scottsdale. Total Rebuild. Engine Starts, Runs and Drives Forward and reverse. High and Low transfer works fine. Transmission does not shift gears. It was working before the rebuild and checking for a Diagnostics solution if a connection could be the...- GONZO
- Thread
- automatic transmission not shifting shifting problem
- Replies: 5
- Forum: Automatic Transmission
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New Square Member 77 K10
Thanks for the Add, From Yulee Florida. I Have my Brothers Project 77 Scottsdale K10. RIP Michael <3 Looking to finish it up and work out the bugs so it will live on in his memory. Complete Rebuild. Starts and Runs. Shifts Forward and Reverse but Gears don't change Automatic 4x4 High...- GONZO
- Thread
- 77 k10 automatic transmission not shifting trim ring
- Replies: 9
- Forum: Introduction
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K
What is the best th350 rebuild kit?
I have a 74 K20 with a th350 that ate my first/reverse clutch. I was wondering what you all have done in the past as far as tips and tricks, kits used, and what not to do. As of now I will be rebuilding the transmission myself unless I can find a reasonable replacement. Any way mostly curious...- Kalem
- Thread
- automatic transmission np203 th350 transmission
- Replies: 1
- Forum: Tech Discussion
