Crankshaft Rear Oil Seal Installation

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 34686 Rear Main Seal Installer

Fig 1: Installing Crankshaft Rear Oil Seal Using Rear Main Seal Installer

Courtesy of GENERAL MOTORS CORP.

Apply engine oil to the inside diameter and the outside diameter of the new crankshaft rear oil seal.
Slide the crankshaft rear oil seal over the mandrel until the back of the crankshaft rear oil seal bottoms squarely against the collar of the tool.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Perform the following steps in order to install the crankshaft rear oil seal:
1. 3.1. Align the dowel pin of the J 34686 with the dowel pin in the crankshaft.
2. 3.2. Attach the J 34686 to the crankshaft by hand, or tighten attaching screws to 5 N.m (45 lb in).
3. 3.3. Turn the T-handle of the J 34686 in order to engage allow the collar to push the seal into the bore.
  Turn the handle until the collar is tight against the case. Ensure that the seal is seated properly.
4. 3.4. Loosen the T-handle until the T-handle comes to a stop.
5. 3.5. Remove the attaching screws.