AR83.25-P-1170P Remove/Install/Replace Heating Water Circulation Pump

AR83.25-P-1170P Remove/Install/Replace Heating Water Circulation Pump
- with CODE (670a) Residual engine heat utilization (REST)
- with CODE (228) Stationary heater
- with CODE (874) Coolant circulation pump
- with CODE (580a) Automatic air conditioning
- with CODE (581b) Convenience automatic air conditioning

Shown on Model 203.0:

DANGER:
- Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.
- Do not open cooling system unless coolant temperature is below 90 degrees C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles
- Wear protective gloves, protective clothing and eye protection.

1 Open engine hood
2 Reduce pressure in cooling system
3.1 Detach lower engine compartment lining
- Engines 111, 112

NOTE: Front paneling

3.2 Remove bottom section of sound-proofing capsule
- Engine 611, 612

NOTE: Front bottom section

4 Drain coolant at radiator
5 Disconnect connector (1) from coolant circulation pump (M13)
6 Remove hose clamps (2) from fitting
- Hose clamp pliers (length 210 mm; adjustment range 80 mm)
See "Commercially Available Tools" given below.

7 Remove coolant circulation pump (M13) from coolant
pansion reservoir (4)
8 Remove heating hoses (3)
9 Install in the reverse order
10 Adjust coolant to correct level
11 Perform leak check.

Commercially Available Tools

Commercially Available Tools: