Installation Procedure

WARNING: This page is about a different car, the 2015 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Apply lubricant to all camshaft lobes and journals prior to installing the camshaft. Refer to Adhesives, Fluids, Lubricants and Sealers (LKW) .
Install the exhaust camshaft (1) and camshaft actuator (2) and set the exhaust camshaft in the camshaft bearing journals.

Fig 1: Exhaust Camshaft Actuator Assembly
Courtesy of GENERAL MOTORS COMPANY

NOTE: Set the exhaust camshaft on top of the rocker arms in the camshaft bearing journals with the notch at the front of the camshaft in the one O'clock position. Ensure that the oil seal near the front of the camshaft is rotated so that the split line on the oil seal is aligned with the notch.
Install the front camshaft bearing cap (5). Install the timing chain guide (3) onto the front camshaft bearing cap, then hand start the camshaft cap bolts (1-4).

Fig 2: Upper Timing Chain Guide Bolts
Courtesy of GENERAL MOTORS COMPANY
Install the camshaft bearing cap (2).

Fig 3: Camshaft Bearing Caps & Bolts
Courtesy of GENERAL MOTORS COMPANY
Install and tighten the camshaft bearing cap bolts (1). Refer to Intake and Exhaust Camshaft, Bearing Cap and Lash Adjuster Installation (LKW) .
Install a NEW camshaft actuator bolt (1) and tighten to 30 N.m (22 lb ft) plus 100 degrees.

Fig 4: Camshaft Actuator Bolt
Courtesy of GENERAL MOTORS COMPANY

CAUTION: Refer to Fastener Caution .

CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.
Remove EN-50656 timing chain holding tool (1).

Fig 5: Timing Chain Holding Tool
Courtesy of GENERAL MOTORS COMPANY
Install the camshaft cover. Refer to Camshaft Cover Replacement (LKW) .