Chevrolet Silverado / GMC Sierra. Service manual — part 1921

Fig. 63: View Of Engine Mount To Engine Bolts
Courtesy of GENERAL MOTORS CORP.

7. Install the two lower engine mount to engine bolts (1).

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

8. If the vehicle is equipped with 4WD, Install the front drive axle. Refer to Differential

Carrier Assembly Replacement (1500 FWD) or Differential Carrier Assembly
Replacement (2500 4WD) .

9. Install the upper intake manifold sight shield. Refer to Upper Intake Manifold Cover

Replacement.

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

ENGINE MOUNT BRACKET REPLACEMENT - RIGHT SIDE (2500 LY6)

Removal Procedure

Fig. 64: View Of Engine Mount Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Remove the engine mount. Refer to Engine Mount Replacement - Right Side (1500

LH6, LMG, LY5, L76 and L92) or Engine Mount Replacement - Right Side (1500
LY2) or Engine Mount Replacement - Right Side (2500 LY6).

2. Remove the engine mount bracket bolts.

3. Remove the engine mount bracket.

Installation 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

Fig. 65: View Of Engine Mount Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Position the engine mount bracket to the frame.

2. Perform the following steps prior to installing the engine mount bracket bolts.

Remove all traces of the original adhesive patch.

Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.

Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the
bolts.

3. Install the engine mount bracket bolts.

Tighten: Tighten the bolts to 65 N.m (48 lb ft).

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. Install the engine mount. Refer to Engine Mount Replacement - Right Side (1500 LH6,

LMG, LY5, L76 and L92) or Engine Mount Replacement - Right Side (1500 LY2) or
Engine Mount Replacement - Right Side (2500 LY6).

UPPER INTAKE MANIFOLD SIGHT SHIELD REPLACEMENT

Removal Procedure

Fig. 66: View Of Upper Intake Manifold Sight Shield
Courtesy of GENERAL MOTORS CORP.

1. Open the hood.

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