Chevrolet Silverado / GMC Sierra. Service manual — part 2101

J 41816-2 Crankshaft End Protector. See Special Tools .

J 42386-A Flywheel Holding Tool. See Special Tools .

Removal

Fig. 271: View Of Flex Plate & Bolts
Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

Do not use the camshaft position (CMP) actuator
solenoid valve again. Upon installation of the CMP
actuator and timing chain, install a NEW valve.

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

1. Temporarily install the automatic transmission flex plate and bolts. Refer to Automatic

Transmission Flex Plate Installation .

Fig. 272: View Of Special Tool & Bolts
Courtesy of GENERAL MOTORS CORP.

Do not apply threadlock to the flex plate bolts at this
time.

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

2. Install the J 42386-A (1) and bolts. See Special Tools . Use 1 M10 - 1.5 x 120 mm and 1

M10 - 1.5 x 45 mm bolt for proper tool operation.

Tighten: Tighten the J 42386-A bolts to 50 N. See Special Tools .m (37 lb ft).

Fig. 273: View Of CMP Actuator Solenoid Valve
Courtesy of GENERAL MOTORS CORP.

3. Remove the CMP actuator solenoid valve (234).

4. Discard the solenoid valve.

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. 274: View Of Proper CMP Actuator Removal
Courtesy of GENERAL MOTORS CORP.

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