Corvette V8-6.0L VIN U (2005)
Seals and Gaskets: Customer Interest
Drivetrain - Rear Differential Fluid Leaks
Bulletin No.: 03-04-20-006A
Date: May 09, 2006
TECHNICAL
Subject:
Fluid Leak at Rear Axle (Replace Left Differential Side Cover 0-Ring and Left Axle Shaft Seal, Add Sealant to Side Cover Flange)
Models:
2004-2005 Cadillac XLR
1997-2005 Chevrolet Corvette
Supercede:
This bulletin is being revised to add the 2005 model year and provide VIN breakpoints. Please discard Corporate Bulletin Number 03-04-20-006
(Section 04 - Driveline/Axle).
Built Prior to VIN Breakpoints shown.
Condition
Some customers may comment on fluid leaking from the rear axle.
Correction
Verify that the fluid leak is rear axle fluid, not transmission fluid. Replace the left differential side cover 0-ring and left axle shaft seal. Engineering has
recommended that sealant be applied to the side cover prior to installation. Use the appropriate service procedure and part numbers listed below.
Service Procedure (Cadillac XLR)
1.
Raise and support the vehicle.
2.
Remove the rear tire and wheel assemblies.
3.
Install J 33432-A Transverse Spring Compressor to the rear transverse spring and compress the spring.
4.
Disconnect the electrical connectors from both wheel speed sensors.
5.
Disconnect the electronic suspension control (ESC) position sensor links, if equipped.
6.
Disconnect the shock absorber solenoid electrical connectors, if equipped.
7.
Remove the brake calipers from the caliper mounting brackets and support aside.
8.
Remove the outer tie rod end nuts.
9.
Disconnect the outer tie rod end studs from the rear suspension knuckles.
10.
Disconnect the park brake cables from the park brake apply levers and brackets.
11.
Remove the shock absorber lower mounting bolts from the lower control arms.
12.
Remove the bolts securing the upper control arms to the frame.
