My Tbird has 121K on the odometer.Recently the transmission seems to have a slight shudder in it during shifting occasionally, but only at lower speeds/easier driving. So far my research indicates that it could be the torque converter may be empty even though the trans itself is full and clean. I don't know when the last trans service was and it has only been a few days so the shudder isn't bad, but enough for me to notice.
Check rear emergency brakes if you have 4 wheel discs. When soot and brake lining fall to bottom of assembly they jam and shudder until wheels start rolling fast enough to scatter debris.
Also if posi equipped there is a needed rear-end additive to help clutch plates work. Perhaps clean rear-end lube and additive is needed.
SOURCE: transmission started slipping in final drive.
I am a ford tech and once this transmission starts slipping in OD u are going to need an overhaul, changing the fluid won't correct the problem.
SOURCE: slight hesitation on pull-off with slight autobox shudder
Yes. Sounds like a plugged Trans filter or burned fluid. A full service on the Trans usually runs about $90 and is money well spent.
Another problem-which bugged me for 3 months, and had your similar symptoms, was a worn out fan clutch. It sent a shudder throughout the vehicle which mimicked a transmission issue. I know it sounds silly, but a new fan clutch cured my shifting issues.
The fan should rotate smoothly with some resistance (Engine OFF, of course) If you feel binding of any kinf, it probably is bad. Also check to see if you can cause movement fore and aft. If you can get it to rock back and forth, it is bad and needs to be replaced.
A fan clutch for that vehicle usually runs about $55
SOURCE: transmission ford thunderbird
Sounds like more of a fuel problem to me.Check fuel pressure 35-40psi and or change fuel pump. Any was the car is equip with a TFI module which controls gas, spark and timing. Located in one or two areas.
First spot is in the front of the car next to radiator passenger side. It will be gray in color about 3" long bolted in a heat dispactor. Spot 2 Drviers side of fire wall next to the master cylnder.
SOURCE: I have a 1991 Ford Mustang 2.3 litre LX Automatic.
Hello! Your best bet is to visit your local Ford parts desk and have them order the correct hardware needed...guru...Saailer
I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867
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