TrailBlazer 4WD L6-4.2L VIN S (2002)
Crankshaft Main Bearing Seal: Service and Repair
Crankshaft Rear Oil Seal and Housing Replacement
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Tools Required
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J 36660-A Torque Angle Meter
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J 44219 Cover Alignment Pins
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J 44227 Rear Seal Installer
Removal Procedure
1. Remove the transmission.
2. Remove the fly wheel bolts and remove the fly wheel.
3. Remove the crankshaft rear oil seal housing bolts.
4. Install two bolts into the jackscrew holes (1) to release the cover from the block.
5. Remove the crankshaft and rear oil seal housing.
6. Remove the oil seal from the crankshaft snout.
Installation Procedure