Timing Chain: Service and Repair

Timing Chain and Sprockets Replacement

Tools Required

^ J 22102 Crankshaft Sprocket Installer
^ J 42846 Crankshaft Protector Button

Removal Procedure





1. Remove the engine front cover.
2. Aligned the timing marks on the camshaft and crankshaft sprockets.
3. Remove the camshaft sprocket bolts.
4. Remove the camshaft sprocket and timing chain.





5. Install the J 42846 (1) into the end of the crankshaft.
6. Remove the crankshaft sprocket using a suitable three jaw puller.
7. Clean and inspect the timing chain and sprockets. Refer to Timing Chain and Sprockets Cleaning and Inspection.

Installation Procedure





1. Use the J 22102 in order to install the crankshaft sprocket. Align the keyway of the crankshaft sprocket with the crankshaft pin.
2. Remove the J 22102.
3. Rotate the crankshaft until the crankshaft sprocket alignment mark is in the 12 o'clock position.





4. Important:
^ Install the camshaft sprocket with the alignment mark in the 6 o'clock position.
^ The sprocket teeth must mesh with the timing chain in order to prevent damage to the camshaft retainer.
^ Do not use a hammer to install the camshaft sprocket onto the camshaft. To do so may damage the camshaft.

Install the camshaft sprocket and timing chain.





5. Ensure that the crankshaft sprocket is aligned at the 12 o'clock position and the camshaft sprocket is aligned at the 6 o'clock position.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the camshaft sprocket bolts.
Tighten the bolts a to 30 Nm (22 ft. lbs.).
7. Install the engine front cover.