Chevrolet Silverado / GMC Sierra. Service manual — part 2087

Fig. 215: View Of Valve Lifter Oil Manifold
Courtesy of GENERAL MOTORS CORP.

2. Remove the valve lifter oil manifold bolts (506).

3. Remove the valve lifter oil manifold (451).

IMPORTANT: Do not allow dirt or debris to enter the oil passages of 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. 216: Gasket Retaining Strap Locations
Courtesy of GENERAL MOTORS CORP.

4. Identify the 8 gasket retaining strap locations (1-8).

IMPORTANT: Remove only the outer gasket from the manifold. Do not

disassemble any of the internal components of the manifold
in an attempt to remove the 8 inner sealing gaskets. If the
inner gaskets are cut or damaged, replace the manifold as an
assembly. Only use a wire-cutter type tool in order to
minimize the amount of debris. Do not use a rotary-type
cutting tool on the retaining straps.

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. 217: Retaining Strap
Courtesy of GENERAL MOTORS CORP.

5. Using a wire-cutter type tool, cut the 8 retaining straps.

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

6. Remove the outer gasket (556) from the manifold.

VALVE LIFTER OIL FILTER REMOVAL

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