Chevrolet Silverado / GMC Sierra. Service manual — part 64

Fig. 192: Cylinder Head Dowel Pin Measurement
Courtesy of GENERAL MOTORS CORP.

1. Assemble the cylinder head, if necessary. Refer to Cylinder Head Assemble.

2. Install the cylinder head locator pins, if necessary.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 193: View Of Cylinder Head Gasket And Alignment Pins - Right
Courtesy of GENERAL MOTORS CORP.

3. Install a NEW cylinder head gasket.

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

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 194: Removing/Installing Cylinder Head (Right)
Courtesy of GENERAL MOTORS CORP.

4. Install the cylinder head.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 195: Locating Cylinder Head Bolts (Right)
Courtesy of GENERAL MOTORS CORP.

5. Apply sealant to the threads of the NEW cylinder head bolts. Refer to Sealers, Adhesives,

and Lubricants for the correct part number.

6. Install the cylinder head bolts finger tight.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado