This kit will include everything else you need to rebuild your 4L80E transmission.
Here is an easy way to take out a blind bushing on a overrun clutch drum easily without destroying it. This is just an idea I came up with myself after not f. Everything You Need To Know About Rebuilding A 4L80E. Universal Oil Seal Removal Tool Use with slide hammer Part No. TOOL SF Servo Bore Repair System Master Kit, For use with General Motors THM,and 4L80E type transmissions Part No. TOOL Release oil for the rear servo in THM and it's four speed successor, the 4L80E, also happens to be apply oil for the second clutch.
Jan 09, 4l80e pump teardown and inspection.
I found a missing bushing and boost valve sleeve doesn't seem to be working properly. SOLUTION: Stator bushings, input shaft rings or converter. Install HTRK Rings & Bushing COMMENT: See code 68 on page COMPLAINT: No 4th when very hot no codes. CAUSE: Trans temperature over F. SOLUTION: This is normal to prevent hot overload. COMPLAINT: Falls in and out of lockup [GAS only] NO CODES.
OE and aftermarket shafts simply don't hold up in extreme horsepower applications, leading to spline twist and shaft breakage.
CAUSE: Worn distributor bushing. Jan 07, When Just Chevy Trucks pulled the 4L80E out of the truck they were dismantling, it was in rough shape. Sure it somewhat worked, but if we wanted to do more than drive from one side of the parking lot to another, it would need a full bushremover.barted Reading Time: 8 mins. Jan 04, Remove/do not install the center lip seal from the direct clutch housing Remove/omit the second from the top Sealing Ring on the Center Support No need to plug the valve body where the pressure relief valve is installed when using a D3 brake No need to use a Sonnax 4L80E LB1 boost valve & PR spring when using a D3 brake.
Sep 30, Sonnax Sure Cure kit SC-4L80E, fully compatible with 'later GM 4LE and 4LE units, is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body.