Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of CMP Actuator Solenoid Valve

Courtesy of GENERAL MOTORS CORP.

Install a NEW CMP actuator solenoid valve (234).
With the CMP actuator properly positioned onto the camshaft, the CMP actuator solenoid valve can be threaded completely into the camshaft using light hand pressure. Tighten by hand until snug.

Fig 2: Tightening CMP Actuator Solenoid Valve

Courtesy of GENERAL MOTORS CORP.

Tighten the CMP actuator solenoid valve.
1. Tighten the CMP actuator solenoid valve a first pass to 65 N.m (48 lb ft).
2. Tighten the CMP actuator solenoid valve a final pass an additional 90 degrees using the J 45059 .

Fig 3: View Of Special Tool & Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the J 42386-A (1). See Special Tools .
Install the CMP actuator magnet. Refer to Camshaft Position Actuator Magnet Replacement .