Chevrolet Silverado / GMC Sierra. Manual

3. Install the oil pressure sensor (706) and washer (707).

Tighten: Tighten the oil pressure sensor to 35 N.m (26 lb ft).

VALVE LIFTER OIL MANIFOLD INSTALLATION

Fig. 61: Valve Lifter Oil Manifold
Courtesy of GENERAL MOTORS CORP.

1. Do not lift the manifold assembly by the electrical lead frame.

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. 62: View Of Outer Gasket
Courtesy of GENERAL MOTORS CORP.

2. Install the service gasket (556) onto the manifold.

IMPORTANT:

All gasket surfaces should be free of oil or other foreign
material during assembly.

Do not allow dirt or debris to enter the manifold. Plug, as
required.

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. 63: View Of Valve Lifter Oil Manifold
Courtesy of GENERAL MOTORS CORP.

3. Install the manifold (451) with gasket.

4. Install the manifold bolts (506).

Tighten: Tighten the manifold bolts to 25 N.m (18 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

ENGINE COOLANT AIR BLEED PIPE AND HOLE COVER INSTALLATION (RPO LY2/L
LY2/LY6/L92)

Fig. 64: View Of Coolant Air Bleed Pipe Seal
Courtesy of GENERAL MOTORS CORP.

1. Install the seals onto the engine coolant air bleed pipe and covers.

IMPORTANT: Position the gasket O-ring seal (308) onto the nipple portion

of the pipe.

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

Chevrolet Silverado / GMC Sierra. Manual - part 2202