Timing Chain Tensioner: Service and Repair

Removing and installing chain tensioner
Tools





Preliminary work
Preliminary work
1. Move bonnet to service position using bonnet stay 9704.
2. Put on the protection covers.

Design Cover:

3. Pull the design cover vertically upwards and off.
4. Remove engine compartment cover at centre and rear.

TDC Of Cylinder 1:

5. Position crankshaft to the TDC of cylinder 1.

Information
Component information

Overview Of Timing Drive Mechanism:

Removing chain tensioner
Removing chain tensioner

Installation Position Of Chain Tensioner:

ATTENTION: Engine damage can occur if the chain jumps over!
--> Never turn the engine on the crankshaft without a chain tensioner.
--> Make sure that nobody starts the engine or pushes the vehicle while in gear when the chain tensioner is removed.
--> Stick a warning note on the steering wheel or ignition lock.

Position Of Chain Tensioner In Top Chain Case Lid:

1. Use a suitable tool to grip and release the chain tensioner to the right and side of the top chain case lid. -arrow-
2. Remove chain tensioner with sealing ring. Replace sealing ring.

Installing chain tensioner
Installing chain tensioner

ATTENTION: Engine damage can occur if the chain jumps over!
--> Never turn the engine on the crankshaft without a chain tensioner.
--> Make sure that nobody starts the engine or pushes the vehicle while in gear when the chain tensioner is removed.
--> Stick a warning note on the steering wheel or ignition lock.

Position Of Chain Tensioner In Top Chain Case Lid:

Note: Replace sealing ring on chain tensioner.

1. Screw in chain tensioner with new sealing ring.
2. Tighten chain tensioner. tightening torque 30 ft. lbs.
3. Remove protective covers.

Subsequent work
Subsequent work
1. Fit engine compartment cover at centre and rear.

Design Cover:

2. Re-install design cover.