Remove/install poly-V belt for power steering pump and refrigerant compressor

AR13.21-P-0132MNF

Remove/install poly-V belt for power steering pump and refrigerant compressor

27.02.2018

Engine

176 in model 463

up to model year 2019

1

Guide pulley

2

Tensioning device

3

Poly-V belt

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A



Remove

1

Remove lower engine compartment paneling

Engine 176 in model 463
as of model year 2016 up to model year 2019
except code ZQ0 (G 500 4x42)

AR61.20-P-1105GW

2

Disconnect oil lines of engine oil cooler on crankcase and place to one side

 Collect escaping engine oil in a suitable container.

3

Release clamping device (2) counterclockwise and lock clamping device (2) using a suitable drift

4

Remove poly-V belt (3)



Check

5

Check belt pulley of A/C compressor for damage

If damage is present



Replace A/C compressor

Engine 176 in model 463
as of model year 2016 up to model year 2019

AR83.55-P-5310GW

6

Check belt pulley of the power steering pump for damage

If damage is present



Replace power steering pump

Engine 176 in model 463
as of model year 2016 up to model year 2019

AR46.30-P-0500GWA

7

Check belt pulley/vibration damper for damage

If damage is present



Replace belt pulley/vibration damper

AR03.30-P-1600MNA

8

Check guide pulley (1) for damage

If damage is present



Replace guide pulley (1)

AR13.20-P-0006MNF

9

Check clamping device (2) for damage

If damage is present



Replace clamping device (2)

AR13.25-P-3222MNF



Install

10

Fit on poly-V belt (3)

AR13.22-P-3902-02MNA


Do not use belt wax or similar products.
This leads to slipping of the poly-V belt (3).

 Observe routing diagram of poly-V belt (3).

11

Pull out drift and tension poly-V belt (3) with clamping device (2)

12

Mount oil lines of the engine oil cooler at crankcase

 Replace O-rings.

 Bolt, oil line to engine

*BA18.30-P-1009-01N

 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

13

Perform an engine test run and check engine for proper function

14

Install lower engine compartment paneling

Engine 176 in model 463
as of model year 2016 up to model year 2019
except code ZQ0 (G 500 4x42)

AR61.20-P-1105GW

 Oil cooling

Number

Designation

Engine 176 except in model 463,
engine 176 in model 463 up to model year 2019

Engine 176 in model 463 as of model year 2019

BA18.30-P-1009-01N

Bolt, oil line to engine

Nm

8

8