AR83.25-A-1000B | Remove/install heater housing | 6.6.01 |
MODELS 690.6 with code (HH9) Automatic air conditioning "Tempmatic"
D83.25-1104-06
1 Heater housing
2 Electrical connector
3 Electrical wire
4 Electrical connector
5 Screw
6 Electrical connector
7 Condensed water hose
Modification notes
| Remove/Install | ||
Danger! | 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. | Never perform welding work on or near a closed air conditioning system. 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. | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | ||
1 | Discharge air conditioning system | ||
2 | Remove instrument panel | Installation: If control cables for air distribution have been removed: | |
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Adjust air distribution control cables | |||
3 | Detach ventilation box and put down on engine | Do not disconnect electrical connector from ventilation box. | |
4 | Position suitable catch reservoir for coolant below vehicle | ||
5 | Remove connections from heater at front | ||
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6 | Remove air ducts | ||
7 | Disconnect electrical connector (2) on outlet air temperature sensor | ||
8 | Expose electrical line (3) and disconnect electrical connector (4) | ||
9 | Unscrew bolts (5). | ||
10 | Disconnect electrical connector (6) at evaporator temperature sensor | ||
11 | Remove condensate water hose (7) | ||
12 | Remove heater housing (1) | Installation: Ensure that electrical line (3) to ventilation box is routed properly. Check seals for the air outlet and inlet openings, replace if necessary. | |
13 | Install in the reverse order | ||
14.1 | Set time at instrument cluster | Except with tachograph Latin America code J05. | |
15 | Evacuate the air conditioning system, re-fill it, and then check the system to make sure that it functions correctly and does not leak. | ||
16 | Read diagnostic trouble code memory and erase | Stored faults which may be caused by disconnecting lines or by simulation during removal and installation or inspection work, must be processed and erased in the fault memories after completing the work. |
Refrigerant lines
Number | Designation | Models | |
BA83.30-N-1008-02A | Screw for refrigerant line connector block on evaporator | Nm | 5 (0.5) |
Torque wrench
000 589 67 21 00
Referenced documents
- ah8330n000501a Protect air conditioning circuit and components from moisture when carrying out repair work
- ar6810a1000a Remove and install instrument panel
- ar8310d001003a Detach/attach ventilation box
- ar8310d140001a Adjust air distribution control cables
- ar8325d100001a Remove and install connections from and to front of heater housing
- ar8325d100002a Remove air ducts
- ar8330d1760a Drain, evacuate and refill air conditioning, check function and check for leaks
- 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.