Hummer H3. Manual — part 540

Fig. 181: View of Rear Housing, Gasket and Seal
Courtesy of GENERAL MOTORS CORP.

2. Position a NEW rear oil seal housing gasket (519) and the housing (518) to the engine.

3. Install the rear oil seal housing bolts until snug. Do not overtighten.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 182: View Of Oil Pan-To-Rear Cover Bolts
Courtesy of GENERAL MOTORS CORP.

4. Install the oil pan-to-rear oil seal housing bolts (1) until snug. Do not overtighten.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 183: View Of J 41476
Courtesy of GENERAL MOTORS CORP.

5. Rotate the crankshaft until 2 opposing flywheel bolt holes are parallel to the oil pan surface.

6. Install the J 41476 and bolts onto the rear of the crankshaft. See Special Tools.

7. Tighten the J 41476 bolts until snug. See Special Tools. Do not overtighten.

IMPORTANT: The tapered legs of the alignment tool must enter the rear

cover oil seal bore.

NOTE:

Refer to Fastener Notice .

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Tighten:

1. Tighten the oil pan-to-rear oil seal housing bolts to 12 N.m (106 lb in).

2. Tighten the rear oil seal housing bolts to 30 N.m (22 lb ft).

8. Remove the J 41476 . See Special Tools.

9. Install a NEW crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement.

10. Remove the automatic transmission flexplate, refer to Automatic Transmission Flex Plate

Replacement.

OIL FILTER ADAPTER REPLACEMENT

Removal Procedure

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3