2008 Cadillac Escalade ESV Idler Pulley

Do not push or pull on the reluctor wheel of the camshaft position (CMP) actuator during removal or installation. The reluctor wheel is retained to the front of the CMP actuator by 3 roll pins. Pushing or pulling on the wheel may dislodge the wheel from the front of the actuator. The actuator return spring is under tension and may rotate the dislodged reluctor wheel, causing personal injury. The sprocket teeth and Timing Chain teeth must mesh. The camshaft and the crankshaft sprocket alignment must be aligned properly.

You can remove the accessory drive belt, the drive Belt Tensioner bolts, and the drive belt tensioner.

You can remove the oil pump, and discard the Camshaft position (CMP) actuator solenoid valve (234), loosen and separate the CMP actuator and timing chain from the camshaft. Position your 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, remove the CMP actuator (235) and timing chain (208), and insert and secure a tie strap through the center of the actuator and over the reluctor wheel.