Chevrolet Silverado / GMC Sierra. Service manual — part 2194

Fig. 32: View Of Cylinder Head Gasket & Locating Pins
Courtesy of GENERAL MOTORS CORP.

7. Install the NEW cylinder head gasket (217) onto the locating pins.

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. 33: View Of Cylinder Head & Bolts
Courtesy of GENERAL MOTORS CORP.

8. Install the cylinder head (218) onto the locating pins and the gasket.

9. Install the NEW cylinder head bolts (220, 221).

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. 34: Cylinder Head Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.

10. 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 the J 45059 .

3. Tighten the M11 cylinder head bolts (1-10) a final pass in sequence to 70 degrees

using the J 45059 .

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.

CYLINDER HEAD INSTALLATION - RIGHT SIDE

Tools Required

J 42385-100 Head/Main Bolt Thread Repair Kit. See Special Tools .

J 45059 Angle Meter

Installation

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. 35: View Of Cylinder Head Gasket & Locating Pins
Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Safety Glasses Caution .

NOTE:

Clean all dirt, debris, and coolant from the engine block
cylinder head bolt holes. Failure to remove all foreign material
may result in damaged threads, improperly tightened fasteners
or damage to components.

IMPORTANT:

Do not use the cylinder head bolts again. Install NEW

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