Mercedes-Benz ML320. Service manual - part 706

 

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Mercedes-Benz ML320. Service manual - part 706

 

 

Fig. 170: Identifying Auxiliary Fan Components 

REMOVE AND INSTALL RECEIVER/DRIER - AR83.30-P-6520GH 

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

 

 

Remove/install

 

 

1

Remove upper frame cross member 
(1)

 

AR62.30-P-
2300GH
 

2

Unscrew bolts (2) for auxiliary fan 
(M4) at radiator

 

 

3

Disconnect additional fan connector 
(M4x1)

 

 

4

Unclip electric cable for outside 
temperature sensor at auxiliary fan 
(M4)

 

 

5

Pull out auxiliary fan (M4) upward

 Installation: Insert additional fan in 

the lower guides first pay attention to 
correct seating.

 

6

Install in the reverse order

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

Fig. 171: Identifying Receiver/Drier Components 

 

 

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
 from skin and eye contact 
with liquid refrigerant.

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 upper frame cross member

 

AR62.30-P-
2300GH
 

2.1

Remove charge air cooler

 On Model 163.113 only.

AR09.41-P-
6817MM

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

 Air conditioning system 

 Refrigerant compressor 

Fig. 172: Identifying External Torx Set (001 589 76 09 00)

3.1

Remove mass air flow sensor on left 
behind the charge air cooler

 On Model 163.113 only: between the air 

hose of the charge air cooler and engine.

 

4

Discharge air conditioning system

 Installation: Evacuate air conditioning, 

refill and check for proper operation and 
leaktightness.

AR83.30-P-
1760GH

5

Unscrew screw (3) for refrigerant 
line (6) to the expansion valve and 
screw (4) for refrigerant line (5) from 
the condenser at the fluid reservoir 
(8)

 

*BA83.30-
P-1001-01B

6

Remove refrigerant line (5) from 
condenser and refrigerant line (6) to 
the expansion valve at the fluid 
reservoir (8)

 Installation: Install new sealing rings 

and moisten with compressor oil.

 

7

Release external Torx drive bolt (7) 
at fluid reservoir clamp

 External torx set

Fig. 172

8

Remove fluid reservoir (8)

 Installation: Note additional oil filling 

capacity when replacing the fluid reservoir.

*BF83.55-
P-1005-
01A

9

Install in the reverse order

 

 

Number

Designation

Model Series 163

BA83.30-P-1001-01B Hexagon bolt securing refrigerant line to fluid reservoir

NM 10

Number

Designation

Refrigerant 
compressor 7SB16, 
refrigerant R134a 
in model 163

BF83.55-P-1005-
01A

Additional oil filling 
capacity when 
replacing fluid 
reservoir

Compressor oil

cm

3

 10

Specifications for 
Operating Fluids

Sheet BB00.40-P-0362-

00A

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

INSTALL/REMOVE CONDENSER - AR83.30-P-6540GH

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

Illustrated on model 163.154  

Fig. 173: Identifying Condenser Components 

 

 

Remove/Install

 

 

 

Risk of explosion caused by 
welding or soldering work on 
closed air conditioning system. 
Risk of poisoning caused by 
inhaling overheated refrigerant 
vapors. Risk of injury to skin and 
eyes caused by contact with liquid 
refrigerant.

Never perform welding work on or near a 
closed air conditioning system. No smoking 
or open flames. Wear safety glasses 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

 

Conduct 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

 

2001 Mercedes-Benz ML320 

1998-2005 HVAC Climate Control - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

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