Rear Crankshaft Main Bearing Seal: Service and Repair

Crankshaft Rear Oil Seal Replacement

Tools Required

J 42067 Rear Main Seal Installer


Removal Procedure

1. Remove the transmission. Refer to Transmission Replacement for the M86/N94 Getrag transmission or Transmission Replacement for the 4T40-E/4T45-E transmission.
2. Remove the flywheel.





Important: Make sure not to damage the outside diameter of the crankshaft or chamber with any tool.


3. Pry the crankshaft rear oil seal with a flat-bladed tool.



Installation Procedure





1. Use the J 42067 and install the seal.





Notice: Refer to Fastener Notice .

2. Install the flywheel.

Tighten the flywheel bolts to 53 N.m (39 lb ft) plus 25 degrees.

3. Install the transmission. Refer to Transmission Replacement for the M86/N94 Getrag transmission or Transmission Replacement for the 4T40-E/4T45-E transmission.