Vibration Damper

Vibration Damper

Special tools, testers and auxiliary items required

• Locking Tool (T40098)

• Counter Hold Tool (T10355)

Removing

- Remove the front noise insulation.

- Remove the coolant fan electrical connector - 1 - from the bracket and disconnect it by sliding the retainer back - arrow - and pressing the release down.

- Free up the electrical wiring harness to the coolant fan control module.

- Disconnect the connectors - 2 and 3 -.

- Remove the bolt - arrow - and the coolant fan control module - 1 -.

Risk of destroying due to reversed running direction on a used ribbed belt.

• Before removing ribbed belt, marking running direction with chalk or felt-tip pen for reinstallation later.

- To release ribbed belt tension, rotate tensioner in direction of - arrow -.

- Secure the tensioner with the (T40098).

- Remove ribbed belt from vibration damper ribbed belt pulley.

- Rotate the vibration damper using the (T10355) into the "OT" position - arrow -.

• The notch on the vibration damper must line up with the arrow marking on the timing chain lower cover.

- Remove vibration damper bolt using (T10355).

Danger of causing damage to the engine.

• In order not to change the valve timing, the crankshaft must not be moved out of the Top Dead Center (TDC) position when the vibration damper is removed.

Installing

Install in reverse order of removal. Note the following:

• Tightening specifications, refer to => [ Ribbed Belt Drive and Auxiliary Component Bracket Overview ] Ribbed Belt Drive and Auxiliary Component Bracket Overview.

• Replace the vibration damper bolt with an O-ring.

• The O-ring - 1 - is supplied with the bolt. Coat it with oil before installing.

- Coat the sealing lip with engine oil.

- Mount the vibration damper; when doing this, pay attention to the tooth contour - arrow -.

- Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Install the coolant fan control module (J293). Refer to => [ Coolant Fan Control Module (J293) ] Service and Repair