That's an old trans and a call back for me so I'll try to help iffen I cans.
That's an old trans and a call back for me so I'll try to help iffen I cans.
Is there any GM service manuals that show the hydraulic fluid flow for the 80e, I have them for a 700r4 but thats back when I worked at the dealership?Originally Posted by GasGuzzler
89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears
no reverse...
Case - rear band anchor pin broken or not positioned
Center support - leaking at case or broken
Center support seal leaking
Center support bolt loose, broken or feed hole blocked
Rear band broken worn or not anchored
Rear band apply pin broken worn or not anchored
Rear servo piston binding in case, seal leaking, damaged or worn
servo cover gasket leaking or displaced
servo cover damaged or bolts missing
Check ball missing
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Yep I need all the help I can get...
Must have got this from the ATSG manual........ I have been over that list of causes for NO Reverse but still cant figure out why just no reverse seeing that NO third gear shares most of those causes.....
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