Mercedes-Benz ML320. Manual — part 705

Air conditioning system

REMOVE/INSTALL EVAPORATOR - AR83.30-P-5540GH

MODEL 163 with CODE (580) Air conditioning or Tempmatic for USA

Fig. 167: Identifying Evaporator Temperature Sensor Components

3

Detach piping bracket (4) from
expansion valve (6)

Installation: Install new self-locking nut (3).

*BA83.30-
P-1003-01B

4

Detach piping fastening clamps (5)
from firewall

5

Pull both pipes out of the expansion
valve (6)

Press pipes to the side.

6

Unscrew bolts (7) from expansion
valve (6)

*BA83.30-
P-1004-01B

7 Remove expansion valve (6)

Installation: Install new sealing rings and

moisten with compressor oil.

8 Install in the reverse order

Number

Designation

Model Series 163

BA83.30-P-1003-01B

Nut to pipeline on expansion valve

NM 10

BA83.30-P-1004-01B

Bolt, expansion valve to evaporator core

NM 10

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Refrigerant compressor

Remove/Install

Risk of explosion from welding or
soldering work on closed air
conditioning system. Risk of
poisoning . Inhaling overheated
refrigerant vapors may be toxic. Risk
of injury. Contact with liquid
refrigerant may result in injury to the
skin and eyes.

Do not carry out any welding work on the
closed air conditioning system or in the
surrounding area. No smoking or open
flames. Wear eye protection and protective
gloves. Work only in well ventilated areas.
Carry out repair work on the air
conditioning system circuit only after the
system has been discharged.

AS83.00-Z-
0001-01A

Procedures if air conditioning system
is damaged or leaking

All models

AH83.30-
N-0004-
01A

Protect air conditioning circuit and
components from moisture when
carrying out repair work

All models fitted with air conditioning

AH83.30-
N-0005-
01A

Notes on handling refrigerant R134a

All models fitted with air conditioning

AH83.30-
N-0003-
01A

1

Remove evaporator housing

AR83.30-
P-5200GH

2

Remove expansion valve

Installation: Replace sealing rings

between the expansion valve and
evaporator and moisten with compressor
oil.

AR83.30-
P-5520GH

3

Disassemble AC housing

AR83.30-
P-5201GH

4

Remove evaporator (1) from AC
housing

Observe oil filling capacity when

replacing the evaporator.

*BF83.55-
P-1004-
01A

5

Remove evaporator temperature sensor
(B10/6)

AR83.30-
P-8085GH

6

Install in the reverse order

Number

Designation

Refrigerant
compressor 7SB16,
refrigerant R134a
in model 163

BF83.55-P-1004-
01A

Additional oil filling
capacity when
replacing evaporator

Compressor oil

cm

3

40

Specifications for
Service Products

Sheet BB00.40-P-0362-

00A

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

REMOVE/INSTALL AIR CONDITIONING BLOWER MOTOR - AR83.30-P-5560GH

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175 with CODE (580) Air conditioning or Tempmatic for
USA

Fig. 168: Identifying Air Conditioning Blower Motor Components

REMOVE/INSTALL BLOWER MOTOR IN REAR - AR83.30-P-5565GH

MODEL 163.113 /154 /174 #A as of 289565, 163.113 #X as of 754620, 163.128/157/175

Remove/Install

1

Remove cover (1) under the instrument
panel (right)

Up to VIN A145272,

X708318.

AR68.10-P-
1520GH

As of VIN A145273,

X708319.

AR68.10-P-
1520GI

2

Unscrew bolt (2) from blower motor (M2)

3

Disconnect connector from blower motor
(M2)

4

Remove blower motor (M2) from AC
housing (3)

5

Install in the reverse order

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 169: Identifying Rear Blower Motor Components

REMOVE/INSTALL AUXILIARY FAN - AR83.30-P-5600GH

MODEL 163.136 /154 /157 /172 with CODE (580) Air conditioning or Tempmatic for USA

Remove/install

1

Remove center console

AR68.20-P-
2000GH

2

Disconnect rear blower
motor connector (1, 2)

3

Remove screws (3)

4

Pull out rear blower motor
(M2/1) to the rear

Installation: Ensure that the rear blower

motor (M2/1) is connected to the air duct
correctly (4).

5

Install in the reverse order

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me