Drain/fill coolant of auxiliary circuit

AR08.50-P-0022EQ

Drain/fill coolant of auxiliary circuit

03.12.2019

Model

293

1

Coolant expansion reservoir

2

Connection

3

Circulation pump

4

Connections

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 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

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Drain off

1

Remove voltage of high-voltage on-board electrical system.

AR47.70-P-1000EQ

2

Remove engine compartment cover.



AP01.10-P-2405-01J

3

Slowly open cap on the coolant expansion reservoir (1) of the auxiliary circuit and remove.

4

Remove front crossmember from the high-voltage battery.

AR61.10-P-0001LWR

5

Disconnect connection (2) from the circulation pump (3) and drain coolant into a suitable container.

AR08.50-P-0018-01EQ

6

Disconnect connections (4) from the high-voltage battery and drain coolant into a suitable container.

AR08.50-P-0018-01EQ

Pour in

7

Connect connection (2) to the circulation pump (3).

AR08.50-P-0018-01EQ

8

Connect connections (4) to the high-voltage battery.

AR08.50-P-0018-01EQ

9

Fill in coolant.

AR08.50-P-0017-01EQ

 Auxiliary circuit

*BF08.50-P-1002-01A

 Test cap

*210589009100

 Cooler vacuum filling device

*285589002100

 NTKL Adaption

*285589012100

 Electric vacuum pump

*285589022100

10

Correct coolant level.



AP08.50-P-2053A

11

Perform venting routine with diagnostic device.



AD00.00-P-2000-06FR

12

Check/correct coolant level.



AP08.50-P-2053A



Check

13

Check auxiliary circuit for leak tightness.

AR08.50-P-0014EQ

14

Install front crossmember on the high-voltage battery.

AR61.10-P-0001LWR

15

Install engine compartment cover.

 Cooling circuit

Number

Designation

Engine 780 in model 293

BF08.50-P-1002-01A

Auxiliary circuit

Total filling capacity

Liter

11,7

Antifreeze/water

Up to -37°C

%

50/50

As of -38 °C

%

55/45

Specifications for service products

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A