Camshaft Timing Chain Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: Camshaft Timing Chain Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Timing Chain Oil Nozzle CAUTION: Refer to Component Fastener Tightening Caution . Tighten 15 N.m (11 lb ft)
2	Timing Chain NOTE: Ensure the actuator timing marks and the crankshaft sprocket keyway are at the 12 O'Clock position. Procedure NOTE: Ensure the correct timing link is aligned with the timing mark. The color of the actuator timing links are the same, and the color of the crankshaft sprocket timing link is unique. Align the first timing chain link with the intake actuator timing mark. Align the second timing chain link with the exhaust actuator timing mark. Align the final timing chain link with the crankshaft sprocket timing mark.
3	Timing Chain Guide - Exhaust Side
4	Timing Chain Guide Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
5	Timing Chain Tensioner Shoe Assembly
6	Timing Chain Tensioner Shoe Bolt Tighten 25 N.m (18 lb ft)
7	Timing Chain Tensioner Gasket
8	Timing Chain Tensioner Assembly NOTE: Ensure the tensioner is fully retracted prior to installation. Depending on tensioner model, the procedure to depress and lock the plunger is different. Procedure If the tensioner has a lever on the front, press down on the lever and depress the plunger. Insert a suitable tool into the hole in the tensioner body to hold the plunger in the retracted position. If the tensioner has a retaining clip, press the clip and depress the plunger. Insert a suitable tool into the hole in the tensioner body to hold the plunger in the retracted position.
9	Timing Chain Tensioner Bolt (Qty: 2) Tighten 25 N.m (18 lb ft)
10	Timing Chain Upper Guide - to Cylinder Head
11	Timing Chain Upper Guide Bolt (Qty: 2) Tighten 10 N.m (89 lb in)