Remove/install rear hoses for feed and return to coolant pipes and to heat exchanger of heater in rear passenger compartment

AR83.60-S-0011E

Remove/install rear hoses for feed and return to coolant pipes and to heat exchanger of heater in rear passenger compartment

24.04.2020

Model

447.7/8

with code H13 (Additional heat exchanger)

Model

447.7/8

with code HZ7 (TEMPMATIC semi-automatic air conditioning in rear)

Model

448

Shown on model 447.8 with code HZ7 (Semi-automatically controlled air conditioning, TEMPMATIC in rear) with code T56 (Electrical actuation for left sliding door) except code ZK7 (MARCO POLO equipment line)

1

Air duct

2

Fresh air vent

Shown on model 447.8 with code T56 (Electrical actuation for left sliding door) except code ZK7 (MARCO POLO equipment line)

3.1

Clip

3.2

Clip

4

Feed hose

5.1

Clip

5.2

Clip

6

Return hose

Model 447.8 with code ZK7 (MARCO POLO equipment line), shown with code HZ7 (Semi-automatically controlled air conditioning, TEMPMATIC in rear)

15

Bolts

16

Trim

 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 carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

Typ 447.8 mit Motor 780.702

AH00.00-Z-0300-01A

 

Remove/install

1

Drain off coolant.

Model 447.7 with engine 622.8

AR20.00-S-1142EH

Model 447.7/8 with engine 654.9

AR20.00-S-1142E

Model 447.7 with engine 622.9, model 447.7/8 with engine 274, 651, model 448 with engine 274

AR20.00-S-1140E

* Applies to Europe only



Model 447.8 with engine 780.702

AR08.50-S-0022G

2.1

Remove rear left side trim in rear passenger compartment.

Model 447.7, 448.7 with code V23 (Interior trim, superior version), model 447.8 except code ZK7 (MARCO POLO equipment line), model 448.8

AR68.30-S-1206E

2.2

Remove cabinet.

Model 447.8 with code ZK7 (MARCO POLO equipment line)

AR86.60-S-0041E

3

Release kitchenette and swivel into vehicle interior until the feed hose (4) and return hose (6) are accessible.

Model 447.8 with code ZK7 (MARCO POLO equipment line)

AR86.60-S-0003E

4.1

Remove trim (16).

Model 447.8
with code HZ7 (TEMPMATIC semi-automatic air conditioning in rear)
with code ZK7 (Equipment line MARCO POLO)

 For this purpose, remove screws (15).

4.2

Remove air duct (1).

Model 447.7/8
with code H13 (Additional heat exchanger)
except code ZK7 (Equipment line MARCO POLO)
Model 447.7/8
with code HZ7 (TEMPMATIC semi-automatic air conditioning in rear)
except code ZK7 (Equipment line MARCO POLO)
Model 448

5

Remove air vent (2).

Model 447.7/8
with code H13 (Additional heat exchanger)
except code ZK7 (Equipment line MARCO POLO)
Model 447.7/8
with code HZ7 (TEMPMATIC semi-automatic air conditioning in rear)
except code ZK7 (Equipment line MARCO POLO)
Model 448

6

Remove feed hose (4).

 For this, loosen clamps (3.1, 3.2).
Collect coolant which flows out.

 Commercially available devices/tools
Collecting pan

 Installation: Check clamps (3.1, 3.2) for damage.

 Hose clamp pliers

*454589003700

If damage is present,



replace respective clamp (3.1, 3.2).

7

Remove return hose (6).

 For this, loosen clamps (5.1, 5.2).
Collect coolant which flows out.

 Commercially available devices/tools
Collecting pan

 Installation: Check clamps (5.1, 5.2) for damage.

 Hose clamp pliers

*454589003700

If damage is present,



replace respective clamp (5.1, 5.2).

8

Install in the reverse order.