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Chevrolet Silverado / GMC Sierra. Manual - part 2033
Fig. 12: View Of Oil Pan Drain Plug & Seal
Courtesy of GENERAL MOTORS CORP.
3. Ensure that the oil pan drain plug is tight.
Tighten: Tighten the drain plug to 25 N.m (18 lb ft).
4. Lower the vehicle.
5. Fill the engine with NEW engine oil. Refer to Fluid and Lubricant Recommendations
and Approximate Fluid Capacities .
6. Start the engine and inspect for leaks.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
OIL PUMP, SCREEN, AND CRANKSHAFT OIL DEFLECTOR REPLACEMENT (LY6, L76 AND
AND L92)
Removal Procedure
Fig. 13: View Of Oil Pump Screen & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.
1. Remove the oil pan. Refer to Oil Pan Replacement (2WD) or Oil Pan Replacement
(4WD) .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
2. Remove the engine front cover. Refer to Engine Front Cover Replacement (LC9, LH6,
LMG, LY2 and LY5) or Engine Front Cover Replacement (LY6, L76 and L92) .
3. Remove the oil pump screen bolt and nuts.
4. Remove the oil pump screen with O-ring seal.
5. Remove the O-ring seal from the pump screen.
6. Discard the O-ring seal.
Fig. 14: View Of Crankshaft Oil Deflector & Nuts
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
7. Remove the remaining crankshaft oil deflector nuts.
8. Remove the crankshaft oil deflector.
Fig. 15: View Of Oil Pump & Bolts
Courtesy of GENERAL MOTORS CORP.
9. Remove the oil pump bolts (411).
10. Remove the oil pump (413)
IMPORTANT: Do not allow dirt or debris to enter the oil pump assembly,
cap end as necessary.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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