Chevrolet Silverado / GMC Sierra. Manual — part 1977
5. Install the NEW cylinder head gasket (217) onto the locating pins.
Fig. 281: View Of Cylinder Head & Bolts
Courtesy of GENERAL MOTORS CORP.
6. Install the cylinder head (218) onto the locating pins.
7. Install the NEW cylinder head bolts (220, 221).
on the cylinder head gasket should be located left of center.
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. 282: Cylinder Head Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
8. Tighten the cylinder head bolts.
Tighten:
1. Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 N.m (22 lb
ft).
2. Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees
using J 45059 .
3. Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059 .
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. Tighten the M8 cylinder head bolts (11-15) to 30 N.m (22 lb ft). Begin with the center
bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
Fig. 283: View Of Engine Ground Strap & Bolt
Courtesy of GENERAL MOTORS CORP.
9. Position the ground strap to the rear of the left cylinder head.
10. Install the engine ground strap bolt to the rear of the left cylinder head.
Tighten: Tighten the bolt to 16 N.m (12 lb ft).
11. Install the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement.
12. Install the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side
(4.8L, 5.3L, 6.0L, and 6.2L) .
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
13. Install the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly
Replacement (LH6, LY5, LMG, L76, L92) or Coolant Air Bleed Pipe Assembly
Replacement (LY2, LY6) .
14. Install the intake manifold. Refer to Intake Manifold Replacement (L92 - First Design)
or Intake Manifold Replacement (L92 - Second Design) or Intake Manifold
Replacement (LY2 and LY6) or Intake Manifold Replacement (LH6, LMG, LY5 and
L76).
15. Install the generator bracket. Refer to Generator Replacement (4.8L, 5.3L, 6.0L, and
6.2L) .
CYLINDER HEAD REPLACEMENT - RIGHT SIDE
Tools Required
J 45059 Angle Meter
J 42385-200 Common Thread Repair Kit. See Special Tools .
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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