Crankshaft Rear Oil Seal and Housing Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 44219 Housing Alignment Pins

Apply a 3 mm (0.12 in) bead of GM P/N United States 12378521, GM P/N Canada 88901148 to the rear oil seal housing (1).

Fig 1: Applying Bead Of Sealer To Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.
Install J 44219 into the block.
IMPORTANT: With the help of the plastic installation aid (supplied with the new seal), be sure the lip of the seal faces inward.
Slide the crankshaft rear oil seal housing over the alignment pins (J 44219) and crankshaft.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the crankshaft rear oil seal housing bolts (except the two in place of the guide pins).
Remove J 44219 .
Install the remaining two crankshaft rear oil seal housing bolts.
Tighten

Tighten the crankshaft rear oil seal housing bolts to 10 N.m (89 lb in).

Fig 2: Installing Seal Housing & Bolts
Courtesy of GENERAL MOTORS CORP.
Wipe off any excess material from the bottom of the oil pan sealing area (1).

Fig 3: Wiping Off Excess Material From Bottom Of Oil Pan Sealing Area
Courtesy of GENERAL MOTORS CORP.