Timing Chain: Service and Repair

Timing Chain and Sprockets Installation

- Tools Required
- J 36660-A Torque Angle Meter







1. Install the crankshaft balancer key into the crankshaft keyway.
The crankshaft balancer key should be parallel to the crankshaft or with a slight incline.

2. Install the timing chain on the sprockets. Align the timing marks.







3. Install the timing chain, the crankshaft sprocket, and the camshaft sprocket.


Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice


4. Install the camshaft sprocket bolt.
- Tighten the camshaft sprocket bolt to 100 Nm (74 ft. lbs.). Use at J 36660-A to tighten the camshaft sprocket bolt an additional 90 degrees.







5. Install the timing chain dampener.
- Tighten the timing chain dampener bolt to 22 Nm (16 ft. lbs.).


Timing Chain and Sprockets Removal







1. Align the timing marks on the sprockets.







2. Remove the timing chain dampener.







3. Remove the camshaft sprocket bolt.
4. Remove the camshaft sprocket.
5. Remove the timing chain.
6. Remove the crankshaft sprocket.
7. Remove the crankshaft balancer key.







8. Remove the balance shaft drive gear.