Camshaft Timing Chain and Tensioner Removal (LKW)

Fig 1: Camshaft Timing Chain & Tensioner Components (LKW)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Upper Timing Chain Guide Bolt
2	Upper Timing Chain Guide Bolt
3	Upper Timing Chain Guide
4	Timing Chain Tensioner Bolt (Qty: 2) Procedure Insert EN-50837 retention tool into the lever arm and push in a counterclockwise direction. Compress the tensioner while holding lever arm. Relax the force on the lever and tensioner slightly, allowing the tensioner to extend 3 ratchet clicks, and then hold in place. Pull lever clockwise using EN-50837 retention tool until the hole in the lever aligns with the hole in the tensioner assembly. Push the point of EN-50837 retention tool through the lever and into the tensioner assembly. Special Tools EN-50837 Timing Chain Tensioner Retraction Tool For equivalent regional tools, refer to Special Tools .
5	Timing Chain Tensioner
6	Timing Chain Tensioner Gasket NOTE: Discard the gasket.
7	Timing Chain Tensioner Pivot Arm Bolt
8	Timing Chain Tensioner Pivot Arm
9	Timing Chain Guide Bolt (Qty: 2)
10	Timing Chain Guide
11	Timing Chain
12	Timing Chain Oil Nozzle