Timing Chain: Service and Repair

REMOVAL PROCEDURE

Tools Required
J 22888-20 Crankshaft Sprocket Remover

1. Remove the engine front cover.
Refer to Engine Front Cover Replacement.





2. Rotate the crankshaft until the number 1 piston is at Top Dead Center (TDC) of the compression stroke.

IMPORTANT: Make sure the dot on the timing chain sprockets line up.





3. Remove the timing chain tensioner bolts.





4. Remove the timing chain, tensioner and camshaft sprocket at the same time.





5. Use the J22888-20 in order to remove the crankshaft sprocket.

INSTALLATION PROCEDURE

Tools Required
J 5590 Crankshaft Gear Installer





1. Install the crankshaft sprocket using J 5590 and a hammer.

IMPORTANT: Make sure that the crankshaft sprocket is seated against the crankshaft.

2. Install the timing chain and the timing chain tensioner.





3. Compress the timing chain tensioner spring.
4. Insert a cotter pin or a nail into the hole in the tensioner in order to retain the timing chain tensioner shoe.

IMPORTANT: Do not tighten the timing chain tensioner bolts.





5. Install the timing chain tensioner.





6. Align the crankshaft timing marks with the tab on the timing chain tensioner.
7. Align the camshaft timing mark with the tab on the timing chain tensioner.
8. Install the camshaft sprocket and install the timing chain.

NOTICE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings

9. Install the timing chain tensioner bolts.

Tighten
9.1. Tighten the timing chain tensioner bolts to 24 Nm (18 ft. lbs.).
9.2. Tighten the camshaft sprocket bolt to 130 Nm (96 ft. lbs.).





10. Remove the cotter pin or nail from the hole in the timing chain tensioner.
11. Install the engine front cover.
Refer to Engine Front Cover Replacement.