For 1990-2009 cars

#### Special Tools

• | EN-46109 Guide Pin Set

• | EN-47839 Crankshaft Rear Oil Seal Installation Tool

• | J-42183 Handle

For equivalent regional tools, refer to Special Tools.

1. Install the 6 mm (0.236 in) guides from the EN-46109 pin set into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block.
2. Install the EN-47839 tool with the J-42183 handle (1, 2) onto the rear of the crankshaft flange.
3. Place a 3 mm (0.118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, to the NEW crankshaft rear oil seal housing as shown (1).

Note: DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed.

4. Install the crankshaft rear oil seal housing to the engine block.
5. Remove the EN-46109 pin set 6 mm (0.236 in) guides from the engine block.
6. Install the crankshaft rear oil seal housing bolts.

Caution: Refer to Fastener Caution in the Preface section.

7. Tighten the crankshaft rear oil seal housing bolts in sequence and tighten to 10 N·m (89 lb in).
8. Remove the EN-47839 tool and J-42183 handle (1, 2) from the crankshaft flange.