P83.55-A024-78
1 | Engine cover | 6 | Electrical connector | 10 | Screw | ||
2 | Engine air intake duct | 7 | High-voltage line | 11 | Screw | ||
3 | Electrical connector | 8 | Refrigerant line | 12 | Screw | ||
4 | Refrigerant line | 9 | Screw | 13 | Refrigerant compressor | ||
5 | Screw |
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Danger | Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | 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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | |
Warning | Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts | 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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | |
Topical note | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on safety-relevant components | |||
Notes on handling refrigerant R134a | |||
Notes on handling refrigerant R1234yf | |||
| Remove | ||
1 | Remove voltage of high-voltage on-board electrical system. | ||
2 | Discharge air conditioning system. | ||
3 | Remove engine cover (1). | ||
| |||
4 | Remove engine air intake duct(2). | ||
5 | Release and disconnect electrical connection (3). | ||
6 | Release and disconnect electrical connector (6). | ||
7 | Place high-voltage line (7) into rear. | ||
8 | Remove screws (5, 9). | ||
9 | Remove refrigerant lines (4, 8) from refrigerant compressor (13). | ||
10 | Remove sealing rings from refrigerant lines (4, 8). | ||
11 | Seal openings of refrigerant lines (4, 8) and refrigerant compressor (13) using suitable stop plugs. | Record plug | |
12 | Remove center engine compartment lining. | ||
13 | Remove bolt (12). | ||
14 | Lower vehicle. | ||
15 | Remove screws (10, 11) and remove refrigerant compressor (13) upwards. | Push coolant hoses to one side. | |
| Install | ||
16 | Insert refrigerant compressor (13) from above and secure against falling down. | | |
Push coolant hoses to one side. | |||
17 | Position screws (10, 11). | ||
18 | Raise vehicle. | ||
19 | Position screw (12). | ||
20 | Tighten screws (10, 11, 12). | Screw/bolt, refrigerant compressor to timing case/crankcase/engine support | |
21 | Remove stop plugs from refrigerant lines (4, 8) and from refrigerant compressor (13). | ||
22 | Position refrigerant lines (4, 8) with new sealing rings on refrigerant compressor (13). | ||
23 | Tighten screws (5, 9) of refrigerant lines (4, 8). | Bolt, refrigerant line to refrigerant compressor | |
24 | Place high voltage line (7) forward. | ||
25 | Connect and lock electrical connector(6). | ||
26 | Connect and lock electrical connector (3). | ||
27 | Install engine air intake duct (2). | ||
28 | Install engine cover (1). | ||
| |||
29 | Evacuate and refill air conditioning system. | ||
30 | Put the high-voltage on-board electrical system into operation. | ||
31 | Connect diagnostic system and perform teach-in run of refrigerant compressor (13). | If the refrigerant compressor (13) was replaced. | |
| |||
32 | Check air conditioning system for proper operation and leak tightness. | ||
33 | Install center engine compartment lining. |
129 589 00 91 00
Record plug
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