Chevrolet Silverado / GMC Sierra. Manual — part 1986
4. Install the valve lifter guide bolts (211).
Tighten: Tighten the bolt to 12 N.m (106 lb in).
5. Install the cylinder head and gasket. Refer to Cylinder Head Replacement - Left Side or
Cylinder Head Replacement - Right Side.
CRANKSHAFT BALANCER REPLACEMENT
Tools Required
J 41478 Crankshaft Front Oil Seal Installer. See Special Tools .
J 41665 Crankshaft Balancer and Sprocket Installer. See Special Tools .
J 41816-A Crankshaft Balancer Remover. See Special Tools .
J 41816-2 Crankshaft End Protector. See Special Tools .
J 42386-A Flywheel Holding Tool. See Special Tools .
J 45059 Angle Meter
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
Fig. 312: View Of Special Tool & Bolts
Courtesy of GENERAL MOTORS CORP.
1. Remove the air conditioning (A/C) drive belt. Refer to Air Conditioning Compressor
Belt Replacement.
2. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement
(Non-HP2) .
3. Remove the starter motor. Refer to Starter Motor Replacement (4.8L, 5.3L, 6.0L, and
6.2L) .
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
4. Install the J 42386-A (1) and bolts. See Special Tools . Use one M10-1.5 x 120 mm and
one 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).
IMPORTANT: Ensure that the teeth of the J 42386-A mesh with the teeth of
the engine flywheel. See Special Tools .
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. 313:
Courtesy of GENERAL MOTORS CORP.
5. Remove the crankshaft balancer bolt (139). Do not discard the crankshaft balancer bolt at
this time. The old balancer bolt will be used during the balancer installation 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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