Chevrolet Silverado / GMC Sierra. Manual - part 283
7. Align the oil seal into the tool (1).
8. Rotate the handle of the tool (1) clockwise until the seal enters the rear cover and bottoms
into the cover bore.
9. Remove the J 41479 . See Special Tools.
10. Install the engine flywheel. Refer to Automatic Transmission Flex Plate Replacement.
ENGINE REAR COVER REPLACEMENT
Tools Required
J 41476 Front and Rear Cover Alignment (at crankshaft seal area). See Special Tools.
Removal Procedure
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 165: View Of Oil Pan-To-Rear Cover Bolts
Courtesy of GENERAL MOTORS CORP.
1. Remove the engine flywheel. Refer to Automatic Transmission Flex Plate Replacement.
2. Remove the oil pan-to-rear cover bolts (1).
Fig. 166: View Of Rear Cover, Bolts & Gasket
Courtesy of GENERAL MOTORS CORP.
3. Remove the rear cover bolts.
4. Remove the rear cover and gasket.
5. Discard the rear cover gasket.
6. Clean and inspect the rear cover. Refer to Crankshaft Rear Oil Seal Housing Cleaning
and Inspection.
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Installation Procedure
IMPORTANT:
Do not reuse the crankshaft oil seal or rear cover gasket.
Do not apply any type of sealant to the rear cover gasket
(unless specified).
The special tool in this procedure is used to properly center
the crankshaft rear oil seal.
The crankshaft rear oil seal will be installed after the rear
cover has been installed and aligned.
Install the rear cover without the crankshaft oil seal.
All gasket surfaces should be free of oil or other foreign
material during assembly.
The crankshaft rear oil seal MUST be centered in
relation to the crankshaft.
An improperly aligned rear cover may cause premature
rear oil seal wear and/or engine assembly oil leaks.
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 167: View Of Sealant Applied To Rear Oil Pan-To-Engine Block Junction
Courtesy of GENERAL MOTORS CORP.
1. Apply a 5 mm (0.20 in) bead of sealant 20 mm (0.80 in) long to the oil pan to engine block
junction. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2