Special Tools

1. Install the 6 mm (0.236 in) guides from the EN 46109 into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block.



2. Install the EN-47839 with the J 42183  (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).




Important: 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 6 mm (0.236 in) guides from the engine block.



6. Install the crankshaft rear oil seal housing bolts.

Notice: Refer to Fastener Notice in the Preface section.




7. Tighten the crankshaft rear oil seal housing bolts in sequence shown.

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




8. Remove the EN-47839 and J 42183  (1, 2) from the crankshaft flange.