Diesel Data: Automotive Repair

Drivetrain - Drive Shaft Seal Installation Precautions

Bulletin 85-4-3

Date May, '85

Ref. No. 85-229-4
SUBJECT: DRIVE SHAFT INBOARD THERMOPLASTIC SEAL INSTALLATION

MODELS AFFECTED: 1985 CENTURY, SKYHAWK, SOMERSET REGAL AND ELECTRA

DRIVE SHAFT:




The inboard thermoplastic drive shaft seal must be assembled to a specific dimension to prevent ballooning of the seal. Follow these steps when assembling the seal:

1. Crimp clamp at drive axle shaft (small end).

2.. Compress joint and seal to 130 mm (5-1/8"). See figure.

3. Crimp clamp at joint end (large end).