Removal Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Remove oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement .

Fig 1: Timing Chain Tensioner And Tension Pin

GM3278838

Courtesy of GENERAL MOTORS COMPANY

Push back the timing chain tensioner (1) and install EN-46330 tension pin (2).

Fig 2: CMP Actuator Solenoid Valve

GM3278825

Courtesy of GENERAL MOTORS COMPANY

Remove the CMP actuator solenoid valve (1).
Discard the solenoid valve.

Fig 3: Proper CMP Actuator Removal

GM1714936

Courtesy of GENERAL MOTORS COMPANY

WARNING:

Refer to Camshaft Position Actuator Removal and Installation Warning .

Loosen and separate the CMP actuator and timing chain from the camshaft. Position fingers behind the actuator sprocket and pull the actuator away from the front of the camshaft. Never pull on the reluctor wheel when attempting to remove the actuator.

Fig 4: CMP Actuator And Timing Chain

GM3278857

Courtesy of GENERAL MOTORS COMPANY

Remove the CMP actuator (1) and timing chain (2).

Fig 5: Tie Strap Through Center Of Actuator

GM1714946

Courtesy of GENERAL MOTORS COMPANY

Insert a tie strap (1) through the center of the actuator and over the reluctor wheel.

Fig 6: Crankshaft Sprocket, Key, Timing Chain Tensioner And Bolts

GM3444077

Courtesy of GENERAL MOTORS COMPANY

Remove the crankshaft sprocket (4), and key (3).
Remove the timing chain tensioner bolts (2) and the timing chain tensioner (1).