Yukon V8-393 6.5L DSL Turbo (1993)
Differential Case: Customer Interest
Rear Axle - Vent Leak
File In Section: 4 - Drive Axle
Bulletin No.: 56-42-03A
Date: November, 1996
Subject:
Rear Axle Vent Leak
(Relocate Rear Axle Vent Tube)
Models:
1993-96 Chevrolet and GMC C/K 2, 3 Models with 10.5" Rear Axles
This bulletin is being revised to add the 1996 model year. Please discard Corporate Bulletin Number 56-42-03 (Section 4 - Drive Axle)
Condition
Some owners may comment about an oil soaked load floor or oil leaking from the rear axle vent.
Correction
Following the instructions given below, relocate the rear axle vent tube to the axle tube.
Service Procedure
1.
Raise the vehicle and support with suitable safety stands.
2.
Disconnect the vent hose from the vent tube and remove the vent tube.
3.
Plug the existing vent hole with weld bond epoxy such as J.B. Weld or equivalent following the manufacturer's instructions.
4.
Remove the driver's side axle shaft following the procedure in Section 4B1 of the appropriate year Service Manual.