Chevrolet Silverado / GMC Sierra. Service manual — part 331

1. Remove the left closeout cover and bolt.

Fig. 345: View Of Right Closeout Cover & Bolt
Courtesy of GENERAL MOTORS CORP.

DO NOT use the oil pan gasket again. When installing
the oil pan, install a NEW oil pan gasket.

It is not necessary to remove the oil level indicator
switch prior to oil pan removal. Remove the oil level
indicator switch, if service is required.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

2. Remove the right closeout cover and bolt.

Fig. 346: View Of Oil Level Sensor
Courtesy of GENERAL MOTORS CORP.

3. Remove the oil indicator switch from the oil pan, if required.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 347: View Of Oil Pan
Courtesy of GENERAL MOTORS CORP.

4. Remove the oil pan bolts.

5. Remove the oil pan.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 348: Drilling Out Oil Pan Gasket Retaining Rivets
Courtesy of GENERAL MOTORS CORP.

6. Drill (2) out the oil pan gasket retaining rivets (1), if required.

7. Remove the gasket (426) from the pan.

IMPORTANT:

DO NOT allow foreign material to enter the oil passages
of the oil pan. Cap or cover the openings, as required.

Use care not to gouge, score, or damage the oil pan
sealing surface.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2