Chevrolet Silverado / GMC Sierra. Service manual — part 203

Fig. 678: View Of Valve Lifter Pushrod Guides
Courtesy of GENERAL MOTORS CORP.

3. Install the valve lifter pushrod guides.

Tighten: Tighten the valve lifter pushrod guide bolts to 16 N.m (12 lb ft).

CYLINDER HEAD INSTALLATION - LEFT SIDE

Tools Required

J 45059 Angle Meter. See Special Tools.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Installation

Fig. 679: Left Side Cylinder Head Locator Dowel Pins Proper Installation Position
Courtesy of GENERAL MOTORS CORP.

1. Clean the cylinder head gasket surfaces on the engine block.

2. Inspect the cylinder head locator dowel pins for proper installation.

The installation height should be 6.3-6.5 mm (0.248-0.256 in) (a).

3. Clean the cylinder head gasket surfaces on the cylinder head.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 680: View Of Cylinder Head Gasket And Alignment Pins - Left
Courtesy of GENERAL MOTORS CORP.

4. Install the NEW cylinder head gasket in position over the cylinder head locator dowel pins.

IMPORTANT: Do not use any type sealer on the cylinder head gasket,

unless specified.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 681: Removing/Installing Cylinder Head (Left)
Courtesy of GENERAL MOTORS CORP.

5. Install the cylinder head onto the engine block.

Guide the cylinder head carefully into place over the dowel pins and the cylinder head
gasket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado