Drive Belt Tensioner: Service and Repair

Ribbed Belt Tensioner

Special tools, testers and auxiliary items required

• Engine Support Bridge (10 - 222 A) with Spindle (10 - 222 A /11)

• Locking Pin (T10060 A)

Removing

- Remove the noise insulation.

- Remove the right noise insulation - arrows -.

- Remove the frame for the noise insulation.

- Remove the bolt - 2 - on the bracket for the after-run coolant pump (V51).

• Ignore - 1 and arrows -.

- Remove the engine cover - arrows -.

- Place the (10 - 222 A) on the upper edge of web plates with the following tool parts:

• (10 - 222 A /1) , quantity: 2

• (10 - 222 A /11)

- Engage the spindle in the engine lifting eye and tension the engine.

- Remove the subframe bolts - arrows - on the engine.

- Lower the engine approximately 55 mm.

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 tensioner with (T10060 A).

- Remove the ribbed belt from the tensioner.

- Free up electrical wiring harness - arrow -.

- Remove the bolt - 1 - and remove the ribbed belt tensioner from the accessory assembly bracket.

Installing

• For the correct tightening specifications, refer to => [ Ribbed Belt Drive Overview ] Ribbed Belt Drive Overview.

Installation is carried out in the reverse order while noting the following:

- Insert the ribbed belt tensioner - 1 - into the accessory assembly bracket - 3 - and tighten the bolt - 5 -.

• Note the support - 2 - installation location: insert the support tab in the hole on the accessory assembly bracket.

• Note the centering sleeve - 4 -.

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

- Install after-run coolant pump. Refer to => [ After-Run Coolant Pump (V51) ] After-Run Coolant Pump (V51).

- Adjust the subframe mount. Refer to => [ Subframe Mount, Adjusting ] Adjustments.