Chevrolet Silverado / GMC Sierra. Service manual — part 376

Fig. 499: View Of Oil Pressure Relief Valve Components
Courtesy of GENERAL MOTORS CORP.

2. Remove the active fuel management oil pressure relief valve (455) and washer.

3. Inspect the oil pressure relief valve for proper operation. Lightly depress the valve (2). The

valve spring (1) should seat the valve to the proper closed position.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 500: View Of Oil Level Sensor & O-Ring
Courtesy of GENERAL MOTORS CORP.

4. Remove the oil level sensor (727) and O-ring (728).

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 501: View Of Baffle & Bolts
Courtesy of GENERAL MOTORS CORP.

5. Remove the bolts (427) and baffle (428).

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 502: View Of Oil Pan Cover, Bolts & Gasket
Courtesy of GENERAL MOTORS CORP.

6. Remove the oil pan cover (434), bolts (435), and gasket (433).

7. Clean the oil pan in solvent.

8. Dry the oil pan with compressed air.

CAUTION: Refer to Safety Glasses and Compressed Air Caution .

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2