Remove/install poly-V belt

AR13.22-P-1202MFG

Remove/install poly-V belt

26.11.2019

Engine

139 in model 118, 177, 247

Modification notes

22.11.2019

Document completely revised.

1

Tensioning device

4

A/C compressor belt pulley

2

Poly-V-belt

5

Alternator belt pulley

 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

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 

Remove/install

1

Remove front section of fender liner in right front wheel arch.

AR88.10-P-1301MFA

 Installation: Only install front section of fender liner in front right wheel arch after function test.

2

Mark running direction of poly-V-belt (2).

When reusing poly-V-belt (2).

3

Tighten clamping device (1) and lock in place with suitable pin.

4

Remove poly-V-belt (2) and guide out of right front wheel arch.



Routing diagram of poly-V belt

GF13.20-P-0001-01MFG



Check

5

Check poly-V-belt (2) for wear, aging (crack formation), and damage.



AP13.22-P-1351-01A

If there are problems,



Replace poly-V-belt (2).

6

Check tensioning device (1) for damage, wear and contamination.

If there are problems,



Replace clamping device (1).

AR13.25-P-3220MFG

7

Check alternator belt pulley (5) for damage, wear, and soiling.

If there are problems,



Replace alternator belt pulley (5).

AR15.40-P-5710MFG

8

Check refrigerant compressor belt pulley (4) for damage, wear, and soiling.

If there are problems,



Replace refrigerant compressor.

AR83.55-P-5310MFG

9

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

10

Perform an engine test run and check the engine for proper function.

11

Install front section of fender liner in right front wheel arch.

AR88.10-P-1301MFA