Drain/pour in coolant

AR20.00-P-1142OLM

Drain/pour in coolant

23.07.2019

Engine

654 in model 167

Modification notes

16.07.2019

Document revised

Operation steps 11 to 13.

1

Radiator

2

Fitting

3

Drain valve

7

Coolant hose

 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

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Notes on coolant level

AH20.00-P-1142-01CW



Remove

1

Remove cap from expansion reservoir.

2

Remove center and all front bottom engine compartment linings.

AR61.20-P-1105ME

Drain off

3

Remove coolant hose (7) from automatic transmission oil cooler and collect coolant in suitable container.

AR20.20-P-7441-01RQ

4

Attach coolant hose (7) to automatic transmission oil cooler.

AR20.20-P-7441-01RQ

5

Remove automatic transmission oil cooler from fan unit and place to one side.

Engine 654.9 in model 167 with transmission 725.0

AR27.55-P-1000OID

6

Slide drain hose onto fitting (2).

7

Open drain valve (3) at radiator (1) and collect coolant in suitable container.

8

Close drain valve (3).

9

Remove drain hose.

10

Attach automatic transmission oil cooler to fan unit.

Engine 654.9 in model 167 with transmission 725.0

AR27.55-P-1000OID

Pour in

11

Pour in coolant and bleed engine cooling system.

AR20.00-P-1142-04OLC

Test pressure for pressure-testing the engine cooling system

*BE20.30-P-1005-01A

 Cooling system

*BF20.00-P-1001-06B

 Test cap

*210589009100

 Cooler vacuum filling device

*285589002100

 NTKL Adaption

*285589012100

 Electric vacuum pump

*285589022100

 Pressure pump

*124589242100



Check

12

Check engine cooling system for leak tightness.

AR20.00-P-1010OID



Install

13

Install center and all front bottom engine compartment linings.

AR61.20-P-1105ME

Radiator or expansion reservoir cap

Number

Designation

Engine 100, 102, 103, 104, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 123, 127, 129, 130, 133, 137, 139, 152, 155, 156, 157, 159, 166, 180, 256, 260, 264, 266, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 282, 285
2-stage latch cover
Engine 601, 602, 603, 604, 605, 606, 607, 608, 611, 612, 613, 615, 616, 617, 621, 626, 628, 629, 640, 642, 646, 648, 651, 654, 656, 668
2-stage latch cover

BE20.30-P-1005-01A

Test pressure for pressure-testing the engine cooling system

Overpressure

bar

1,4

 Cooling system

Number

Designation

Engine 654 in model 167

BF20.00-P-1001-06B

Cooling system

Workshop replacement amount

l

13,3

Antifreeze/water

Down to -37 °C

%

50/50

-38 °C and below

%

55/45

Specifications for Operating Fluids, sheet

BB00.40-P-0310-01A

Specifications for Operating Fluids, sheet

BB00.40-P-0325-06A

Specifications for Operating Fluids, sheet

BB00.40-P-0326-06A