Remove/install additional heat exchanger

AR83.60-D-7215C

Remove/install additional heat exchanger

05.12.2019

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code P0E (Sprinter Tourer master code)

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code P0F (Master code for Sprinter Tourer 19+1 Inland)

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code P0G (Master code Sprinter Tourer 16+1)

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code P0H (Master code Sprinter Tourer 19+1)

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code PE4 (DCAA bus master code, Argen)

Model

906.657

with code H12 (Auxiliary hot-water heater)

with code PE5 (Mastercode, bus seats on raised base, Argen)

1

Additional heat exchanger

2

Passenger seats

3

Fire extinguisher

1

Additional heat exchanger

5

Bolts

7

Vent valve

4

Covers

6

Bracket

8

Vent hose

1

Additional heat exchanger

9

Coolant hose

11

Coolant hose

1.1

Coolant pipes

10

Coolant hose

12

Coolant hose

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 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 carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Notes on coolant level

AH20.00-P-1142-01CW



Remove

1

Open the cover of the coolant expansion reservoir and close it again

 This reduces the pressure in the cooling system.

2

Raise vehicle

AR00.60-D-1000H

3

Clamp off coolant hoses (11, 12) using clamping devices

 Clamp

*000589403700

4

Remove coolant hoses (9, 10) from respective coolant pipe (1.1)


Do not kink coolant pipes (1.1) of additional heat exchanger (1).
Leaks may occur otherwise.

 Collect coolant.

 Hose clamp pliers

*003589033700

5

Remove sealant from coolant pipes (1.1) and body (arrows)


Do not damage coolant pipes (1.1).
The additional heat exchanger (1) can otherwise fail.

6

Lower vehicle

7

Remove fire extinguisher (3)

8

Remove floor mats from around the additional heat exchanger (1)

9

Remove passenger seats (2) with mounting brackets in vicinity of additional heat exchanger (1)

AR91.21-D-4461A

10

Remove covers (4)

11

Remove screws/bolts (5)

12

Remove additional heat exchanger (1)


Do not kink coolant pipes (1.1).
The additional heat exchanger (1) can otherwise fail.

 Lift additional heat exchanger (1) out of brackets (6) and guide out coolant pipes (1.1).

 Collect escaping coolant.



Install

13

Install additional heat exchanger (1)


Do not kink coolant pipes (1.1).
Leaks may occur otherwise.

 To do this, guide in the coolant pipes (1.1) and place the additional heat exchanger (1) in the brackets (6).

14

Screw in screws/bolts (5)

15

Install covers (4)

16

Install passenger seats (2) with mounting brackets

AR91.21-D-4461A

17

Install fire extinguisher (3)

18

Return floor mats to vehicle

19

Raise vehicle

AR00.60-D-1000H

20

Attach coolant hoses (9, 10) to respective coolant pipe (1.1)


Do not kink coolant pipes (1.1).
Leaks may occur otherwise.

 Hose clamp pliers

*003589033700

21

Remove clamping devices from coolant hoses (11, 12)

 Clamp

*000589403700

22

Lower vehicle

23

Adjust coolant to correct level



BB00.40-P-0310-01A

24

Set heater switch to maximum output

 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

25

Warm up engine to normal operating temperature

26

Switch off engine once operating temperature has been reached

27

Remove cover over bleed valve (7)

28

Carefully open bleed valve (7)

 Collect escaping coolant.

 The coolant must escape without bubbles.

29

Close the bleed valve (7)

30

Return cover to bleed valve (7)

31

Raise vehicle

AR00.60-D-1000H



Check

32

Check area around coolant hoses (9, 10) for leaktightness

If leaky,



remove leaks.

33

Seal coolant pipes (1.1) on body (arrows)

Sealant 221, 310 ml, DBL 6069.20

*BR00.45-Z-1013-02A

34

Lower vehicle

35

Adjust coolant to correct level



BB00.40-P-0310-01A

Repair materials

Number

Designation

Order number

BR00.45-Z-1013-02A

Sealant 221, 310 ml, DBL 6069.20

A 001 989 64 20