Mercedes-Benz ML320. Service 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
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