TrailBlazer 4WD L6-4.2L VIN S (2002)
1. Use the J 44227 to install the crankshaft rear oil seal.
2. Remove the J 44227.
3. Apply a 3 mm (0.12 inch) bead of GM P/N 12378521 to the rear oil seal housing (1).
4. Install the J 44219 guide pins into the block.
Important:
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When installing a new seal, use the plastic installation sleeve supplied with the new seal.
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The seal installation sleeve should come off after the seal is installed. Disregard the sleeve.
5. Slide the crankshaft rear oil seal housing over the alignment pins J 44219 and crankshaft.
6. Install the crankshaft rear oil seal housing bolts, except the two in place of the guide pins.
7. Remove the J 44219 guide pins.
Notice: Refer to Fastener Notice in Service Precautions.
8. Install the remaining two crankshaft rear oil seal housing bolts.
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Tighten all the oil seal housing bolts to 10 Nm (89 inch lbs.).
