Remove/install poly-V belt

AR13.22-P-1202MFF

Remove/install poly-V belt

22.01.2020

Engine

654 in model 118, 177, 247

Modification notes

22.01.2020

Document completely revised.

1

Tensioning device

2

Poly-V-belt

3

Guide pulley

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 

Remove/install

1

Remove bottom engine compartment paneling.

AR61.20-P-1105MFE

2

Remove front section of the front right fender liner.

AR88.10-P-1301MFA

3

Release tensioning device (1) and fix in place with a 4 mm thick pin.

4

Remove poly-V-belt (2).

Routing diagram for poly-V belt

AR13.22-P-3902-02OLC


Do not lubricate poly-V-belt (2), rather install dry.
Otherwise, the poly-V belt (2) will slip.

 Installation: Observe routing diagram of poly-V belt(2).

5

Check poly-V belt (2) and replace it if required.



Damage profiles for a poly-V belt

AP13.22-P-1351-01A

6

Check guide pulley (3) for damage, wear and soiling; replace if necessary.

AR13.20-P-0015MFF

7

Check tensioning device (1) for damage, wear and soiling; replace if necessary.

AR13.25-P-3220MFF

8

Check alternator belt pulley for damage, wear, and soiling and, if necessary, replace the belt pulley of the alternator.

AR15.40-P-5710MFF

9

Check belt pulley for A/C compressor for damage, wear and soiling; replace the A/C compressor if necessary

AR83.55-P-5310MFF

10

Check coolant pump belt pulley for damage, wear and contamination and replace coolant pump bearing housing if necessary.

AR20.10-P-0002MFF

11

Install in the reverse order.

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

12

Perform engine test run and check whether poly-V-belt (2) is running correctly.