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Chevrolet Silverado / GMC Sierra. Manual - part 2176
11. Temporarily install the automatic transmission flex plate and bolts. Refer to Automatic
Transmission Flex Plate Installation .
Fig. 217: View Of Special Tool & Bolts
Courtesy of GENERAL MOTORS CORP.
12. Install the J 42386-A (1) and bolts. See Special Tools . Use 1 M10-1.5 x 120 mm bolt and
1 M10-1.5 x 45 mm bolt for proper tool operation.
Tighten: Tighten the J 42386-A bolts to 50 N. See Special Tools .m (37 lb ft).
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. 218: Identifying Camshaft Sprocket Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
13. Tighten the camshaft sprocket bolt.
Tighten:
1. Tighten the camshaft sprocket bolt a first pass to 75 N.m (55 lb ft).
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. Tighten the camshaft sprocket bolt a final pass an additional 50 degrees using the J
45059 .
14. Remove the J 42386-A and bolts. See Special Tools .
15. Remove the automatic transmission flex plate and bolt. Refer to Automatic Transmission
Flex Plate Removal .
OIL PUMP, SCREEN AND CRANKSHAFT OIL DEFLECTOR INSTALLATION (RPO
LY2/LH6/LMG/LY5/LC9)
Fig. 219: View Of Oil Pump & Bolts
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
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.
3. Install the oil pump bolts (411).
Tighten: Tighten the oil pump bolts to 25 N.m (18 lb ft).
IMPORTANT: Inspect the oil pump and engine block oil gallery passages.
These surfaces must be clear and free of debris or
restrictions.
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
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