1 | Refrigerant compressor |
2 | Filling screw |
4 | Drain screw |
T83.55-0019-11
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. | |
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on handling refrigerant R134a | |||
1 | Detach lower engine compartment paneling | ||
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2 | Open rear liftgate | ||
3 | Drain air conditioning system | ||
| Engine 457.942 | ||
4 | Remove oil filler screw (2) | ||
5 | Remove drain screw (4) | Drain oil for refrigerant compressor completely and collect in a suitable vessel. | |
6 | Screw in drain screw (4) with new seal | Bolt, refrigerant compressor oil drain | |
7 | Pour in specified quantity of oil for refrigerant compressor | ||
| Compressor oils (specification 362.0) | ||
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The oil for the refrigerant compressor is hygroscopic (moisture absorbing). Immediately close the oil reservoir tightly and pour the measured quantity of oil into the refrigerant compressor (1) immediately. | |||
Total filling capacity - compressor oil for refrigerant compressor | |||
8 | Screw in filling screw (2) with new seal | Bolt, refrigerant compressor oil replenishment | |
9 | Install lower engine compartment paneling | ||
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10 | Charge air conditioning system | ||
| Engine 457.942 |