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Automotive Transmission Forum

Professional automotive forum for discussion of system analysis, diagnosis, and repair of vehicle transmissions, transaxles, and drivetrains. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Classifieds Forum.

Recent Automotive Discussions in the Automotive Transmission Forum

Transfer case fluid
02/08/2026 in the Transmission Forum
[Miscellaneous: 01 Ford F-250 Super Duty Lariat 5.4L] I am going to change the fluid in the transfer case . No problems just gonna do it because it has 247k miles on the clock. Can anyone tell me what today's recommended fluid type is? I have found so ma...
Hey, is that a tumbleweed?
02/03/2026 in the Transmission Forum
So, I guess we need a new transmission forum representative; it seems the skin was not as thick as expected, and the guy bolted. So now we have another quiet forum, I guess I'll have to look up YouTube videos on my own. That being said, how's your transmi...
Additive for TC shudder
01/16/2026 in the Transmission Forum
Various transmissions have issues with torque converter shudder. Is there a particular "additive" that is helpful? Maybe there are different additives for different transmissions. I have heard that the Ford limited slip differential additive works on some...
2016 Jeep AWD
01/09/2026 in the Transmission Forum
[PowerTrain: 16 Jeep Cherokee Limited 3.2L] I have a Jeep Cherokee AWD that I think the transfer case making nasty noises. My question is, can I remove the rear driveshaft to drive the vehicle and get it to the shop without any issues?
shift bang/timing under moderate/heavy accel
01/08/2026 in the Transmission Forum
[Transmission: 12 Ford F-150 XL 3.5L] Truck came in with DTCs p0701, p0741, p0743, p0757, p0963, p1744, p2701, p2704 It would bang on moderate/heavy acceleration 1-2 shift and forced downshift to 4th then go into limp mode. Normal driving no issues excep...

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