Chevrolet Silverado / GMC Sierra. Service manual — part 439

Fig. 84: Intake Manifold Bolt Tightening Sequence (Right)
Courtesy of GENERAL MOTORS CORP.

4. Tighten the intake manifold bolts/nuts in the sequence shown.

Tighten: Tighten the bolts/nuts to 21 N.m (15 lb ft).

5. Install the right fuel rail. Refer to Fuel Rail Fuel Feed Pipe Replacement - Right Side .

6. Install the center intake manifold. Refer to Center Intake Manifold Replacement.

OIL FILLER TUBE REPLACEMENT

Removal Procedure

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 85: View Of Upper Oil Fill Tube Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove the fan and clutch assembly. Refer to Cooling Fan and Shroud Replacement

(Non-HP2) .

2. Remove the drive belt. Refer to Drive Belt Replacement.

3. Remove the upper oil fill tube bolt (1).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 86: View Of Oil Fill Tube Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

4. Remove the oil filler tube bracket bolts.

5. Remove the oil fill tube bracket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 87: View Of Lower Oil Fill Tube Bolt
Courtesy of GENERAL MOTORS CORP.

6. Remove the lower oil fill tube bolt (1).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado