AR83.30-D-1000CH | Detach/attach roof air conditioning on vehicle roof | 18.7.11 |
MODEL 900 with CODE (HK4) Rear air conditioning, reinforced
D83.50-1327-06
A32 Roof air conditioning
D83.50-1328-09
1 Condensation drain hose
2 Refrigerant line (pressure side)
3 Refrigerant line (intake side)
4 Electrical line
9 Electrical line
10 Sealing rings
A32 Roof air conditioning
5 Nut
6 Electrical connector
7 Nuts
8 Nut
D83.50-1329-08
11 Hoisting belt
12 Nut
A32 Roof air conditioning
13 Washer
14 Mounting console
| Remove/install | ||
Danger! | Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities | No parts of the body or limbs should be within the operating range of the mechanism when moving components. | |
Danger! | Risk of death caused by falling down from the roof of the vehicle. Risk of injury to other persons caused by falling objects during work in the area of the roof. | ||
Danger! | 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 drained. | |
| Notes on self-locking nuts and bolts | ||
| Notes on carrying out repair work in the vehicle interior | ||
| Procedure for a damaged or leaky air conditioning system | ||
| Protect air conditioning circuit and components from moisture when carrying out repair work | ||
| Notes on handling R134a refrigerant | Air conditioning with refrigerant R134a | |
1 | Drain air conditioning system | Installation: Evacuate, refill and check air conditioner for proper operation and leaks. | |
2 | Disconnect battery ground line | ||
3 | Remove upper rear end-door paneling | Model 900.633 | |
Model 900.955/957 | |||
4 | Remove headliner | Installation: Mount headliner only after charging and testing the air conditioning. | |
5 | Detach condensation drain hoses (1) from roof air conditioning (A32) | Installation: Check screw clamps and condensation drain hoses (1) for damage, replace if necessary. Replace cable tie. | |
6 | Remove air ducts on both sides. | ||
7 | Unscrew nuts (7) and remove refrigerant lines (2, 3) | Installation: Fit refrigerant lines (2, 3) with new seals (10). Coat sealing rings (10) with compressor oil. | |
| Compressor oils | Sheet 362.0 | |
8 | Seal off each opening on refrigerant lines (2, 3) using stop plugs | Set of stop plugs | |
9 | Seal off each opening at the connecting point for the roof air conditioning (A32) using stop plugs | Set of stop plugs | |
10 | Disconnect electrical connector (6) | ||
11 | Unscrew nuts (5) and remove electrical line (4) | | |
12 | Unscrew nuts (8) and remove electrical line (9) | | |
13 | Remove roof air conditioning cover | ||
14 | Unscrew nuts (12) on both sides and remove washers (13) | The roof air conditioning (A32) is fastened on each side of the vehicle roof using three nuts (12). | |
Installation: Install new nuts (12). | |||
15 | Route lifting straps (11) on both sides through the mounting consoles (14) of the roof air conditioning (A32) | Lifting straps, slings gotis://H_00.12_10.2 | |
16 | Remove roof air conditioning (A32) using suitable hoisting gear from the roof | Aid of helper required. | |
| Check | ||
17 | Check sealing of roof air conditioning (A32) for signs of damage, replace sealing if necessary | ||
| Cleaning | ||
18 | Clean contact surfaces of roof air conditioning (A32) on vehicle roof | ||
19 | Replace fluid reservoir | After completing the work at the open refrigerant circuit, the accumulator must be replaced. | |
20 | Install in the reverse order |
Air conditioning system
Number | Designation | Model | ||
BA83.30-N-1022-01F | Nut, power supply circuit B+ to air conditioning module | Nm | 22 | |
BA83.30-N-1023-01F | Nut, power supply circuit 31 to air conditioning module | Nm | 19 | |
Set of stop plugs
129 589 00 91 00
Referenced documents
- ah0000n000101a Notes on self-locking nuts and bolts
- ah6800n000101s Notes on carrying out repair work in the vehicle interior
- ah8330n000301a Notes on handling refrigerant R134a
- ah8330n000401a Procedure for a damaged or leaky air conditioning system
- ah8330n000501a Protect air conditioning circuit and components from moisture when carrying out repair work
- ar5410d0003sd Disconnect/connect battery ground line
- ar6830d4300ch Remove/install headliner
- ar6830d6620ch Remove/install upper liftgate frame paneling
- ar6830d6620ci Remove/install upper liftgate frame paneling
- ar8330d1300ch Detach/attach cover of roof air conditioning
- ar8330d1760we Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks
- ar8350d400001ch Remove/install the air duct for the air conditioning (roof equipment)
- ar8350d5080ch Remove/install the air conditioning's fluid reservoir (roof equipment)
- as0000z000901a Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.
- as6500z000201a Risk of death caused by falling from vehicle roof. Risk of injury to other persons caused by falling objects during work in roof area.
- as8300z000101a 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.
- bb0040p036200a Compressor oils (specification 362.0)