Chevrolet Silverado / GMC Sierra. Service manual — part 608

Courtesy of GENERAL MOTORS CORP.

1. Install new O-rings (2) to the oil filter adapter and oil cooler assembly. Lubricate the O-

rings with engine oil.

2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) to the O-ring sealing area (1).

Fig. 110: View Of Oil Filter Adapter/Oil Cooler
Courtesy of GENERAL MOTORS CORP.

3. Install the oil filter adapter and oil cooler assembly.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

4. Install the five oil filter adapter and oil cooler assembly bolts (1).

Tighten: Tighten the oil filter adapter and oil cooler assembly bolts to 25 N.m (18 lb ft).

Fig. 111: View Of Engine Coolant Pipe
Courtesy of GENERAL MOTORS CORP.

5. Install a new O-ring onto the engine coolant pipe.

6. Lubricate the O-ring with engine coolant. Do not use oil or grease.

7. Install the engine coolant pipe to the oil filter adapter and oil cooler assembly.

WATER PUMP INSTALLATION

2008 Chevrolet Silverado 1500

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

Fig. 112: View Of Engine Coolant Pipe & Gasket
Courtesy of GENERAL MOTORS CORP.

1. Lubricate the water pump O-ring with engine oil.

2. Install the engine coolant pipe gasket.

3. Install the water pump seal.

4. Install the water pump. Be sure the water pump studs align with the coolant tube.

5. Install the water pump bolts.

Tighten: Tighten the water pump bolts to 25 N.m (18 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Fig. 113: View Of Water Pump Outlet Pipe Nuts
Courtesy of GENERAL MOTORS CORP.

6. Install the water pump to coolant tube nuts.

Tighten: Tighten the water pump to coolant tube nuts to 25 N.m (18 lb ft).

FUEL INJECTION PUMP INSTALLATION

2008 Chevrolet Silverado 1500

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