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Installation Procedure Fig. 16: View Of Oil Pump & Bolts 1. Align the splined surfaces of the crankshaft sprocket and the oil pump drive gear and install the oil pump (413). 2. Install the oil pump (413) onto the crankshaft sprocket until the pump housing contacts the face of the engine block. IMPORTANT: Inspect the engine block oil galley passages. These areas must be free and clear of debris or restrictions.
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
3. Install the oil pump bolts (411). Tighten: Tighten the bolts to 25 N.m (18 lb ft). Fig. 17: View Of Crankshaft Oil Deflector & Nuts 4. Position the crankshaft oil deflector and install the nuts until snug. NOTE: Refer to Fastener Notice .
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
Fig. 18: View Of Oil Pump Screen & O-Ring Seal 5. Lubricate a NEW oil pump screen O-ring seal with clean engine oil. 6. Install the NEW O-ring seal onto the oil pump screen. IMPORTANT: Push the oil pump screen tube completely into the oil pump prior to tightening the bolt. Do not allow the bolt to pull the
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. Align the oil pump screen mounting brackets with the correct crankshaft bearing cap studs. 8. Install the oil pump screen. 9. Install the oil pump screen bolt and nuts. Tighten: 1. Tighten the bolt to 12 N.m (106 lb in). 2. Tighten the nuts to 25 N.m (18 lb ft). 10. Install 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) . 11. Install the oil pan. Refer to Oil Pan Replacement (2WD) or Oil Pan Replacement (4WD) . OIL PUMP, SCREEN, AND CRANKSHAFT OIL DEFLECTOR REPLACEMENT (LH6, LMG, LY2 Removal Procedure
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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