Timing Chain: Service and Repair
REMOVAL PROCEDURE^ Tools Required
- J 28509-A Crankshaft Sprocket Remover
- J 41371 Reluctor Wheel Remover.
1. Open the hood.
2. Disconnect the battery negative cable from the battery.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
3. Remove upper fan shroud from the radiator.
4. Rotate the engine until the timing marks on the crankshaft balancer and the engine front cover are on TDC.
5. Remove the drive belt from the vehicle.
6. Raise the vehicle and support with safety stands.
7. Remove the lower fan shroud from the radiator.
8. Remove the crankshaft balancer from the crankshaft.
9. Remove the water pump from the engine block.
10. Remove the engine front cover from the engine block.
IMPORTANT: If the crankshaft position reluctor ring is removed, a new crankshaft position reluctor ring sensor must be installed.
11. Aligned the timing marks on the camshaft and crankshaft gears.
12. Use the J 41371 to remove the crankshaft reluctor ring from the crankshaft.
13. Remove the camshaft sprocket retaining bolts.
14. Remove the timing chain and camshaft sprocket.
15. Use the J 28509-A to remove the crankshaft sprocket.
INSTALLATION PROCEDURE
^ Tools Required
- J 22102 Crankshaft Sprocket Installer
IMPORTANT: Ensure the following conditions exist:
^ The camshaft and the crankshaft timing marks are aligned
^ The camshaft dowel pin and the camshaft sprocket holes are properly aligned
^ The gears and the chain mesh properly.
1. Use the J 22102 to install the crankshaft sprocket.
NOTICE: Refer to Camshaft Sprocket/Camshaft Notice in Service Precautions.
2. Install the timing chain and sprocket to the camshaft.
NOTICE: Refer to Fastener Notice in Service Precautions.
Install the camshaft retaining bolts to the camshaft.
Tighten the retaining bolts to 12 Nm (106 inch lbs.)
3. Install the timing chain and sprocket to the camshaft.
4. Install the engine front cover to the engine block.
5. Install a new crankshaft position reluctor ring to the crankshaft.
6. Install the crankshaft balancer to the crankshaft.
7. Install the water pump to the engine block.
8. Install the lower fan shroud to the radiator.
9. Lower the vehicle.
10. Install the drive belt to the vehicle.
11. Install the upper fan shroud to the radiator.
12. Connect the battery negative cable to the battery.
13. Close the hood.