Chevrolet Silverado / GMC Sierra. Manual — part 1998

Tighten:

1. Tighten the oil pan to front cover bolts to 25 N.m (18 lb ft).

2. Tighten the engine front cover bolts to 25 N.m (18 lb ft).

17. Remove the J 41476 . See Special Tools .

Fig. 351: View Of Electrical Connector, Cable Channel Bolt & Pin
Courtesy of GENERAL MOTORS CORP.

18. Connect the engine harness electrical connector (1) to the CMP sensor wire harness

electrical connector.

19. Install a NEW crankshaft front oil seal. Refer to Crankshaft Front Oil Seal 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

(LMG, LY2 and LY5) or Crankshaft Front Oil Seal Replacement (LH6, LY6, L76
and L92).

20. Install the water pump. Refer to Water Pump Replacement (LY6, L76 and L92) or

Water Pump Replacement (LH6, LY2, LY5, and LMG) .

CAMSHAFT POSITION ACTUATOR SOLENOID VALVE REPLACEMENT

Special Tools

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

J 45059 Angle Meter

Removal 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. 352: View Of Special Tool & Bolts
Courtesy of GENERAL MOTORS CORP.

1. 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).

2. Remove the camshaft position (CMP) actuator magnet. Refer to Camshaft Position

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

Actuator Magnet Replacement.

Fig. 353: View Of CMP Actuator Solenoid Valve
Courtesy of GENERAL MOTORS CORP.

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

4. Discard the solenoid valve.

CAUTION: Refer to Camshaft Position Actuator Removal and

Installation Caution .

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