S83.55-4516-79
1 | Poly-V-belt | 5 | Screw | 9 | Oil line | ||
2 | Refrigerant compressor | 6 | Low pressure pipe | 10 | Engine oil cooler | ||
3 | Belt pulley | 7 | Screw | 11 | Screw | ||
4 | Electrical connector | 8 | High pressure pipe | 12 | Coolant pipe |
Shown on removed engine |
2 | Refrigerant compressor |
3 | Belt pulley |
11 | Screw |
12 | Coolant pipe |
13 | Screw |
S83.55-4517-76
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 | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on handling refrigerant R134a | |||
| Remove/install | ||
1 | Discharge air conditioning system. | ||
2 | Remove noise damper in front of charge air cooler. | ||
3 | Release poly-V-belt (1) and remove from belt pulley (3) of refrigerant compressor (2). | ||
Poly-V-belt routing diagram | |||
| Pin for locking poly-V belt tensioning device | ||
4 | Remove left front wheel. | ||
5 | Remove left fender liner. | ||
6 | Disconnect electrical connection (4). | ||
7 | Remove screw (5). | Bolt, refrigerant line to refrigerant compressor | |
8 | Remove low-pressure line(6) from refrigerant compressor(2) and seal openings with suitable stop plugs. | ||
| Compressor oils (specification 362.1) | ||
Installation: Replace sealing ring of low-pressure line (6) and moisten with compressor oil. | |||
Assembly tool | |||
Record plug | |||
9 | Unscrew bolt (7). | Bolt, refrigerant line to refrigerant compressor | |
10 | Remove high-pressure line (8) from refrigerant compressor (2) and seal openings using suitable stop plugs. | ||
| Compressor oils (specification 362.1) | ||
Installation: Replace sealing ring of high-pressure line (8) and moisten with compressor oil. | |||
Assembly tool | |||
Record plug | |||
11 | Remove the front engine compartment paneling. | ||
Caution | Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. | |
12 | Remove oil line (9) from engine oil cooler (10) and seal openings using suitable stop plugs. | Collect escaping engine oil in a suitable container. | |
Installation: Replace O-ring. | |||
Assembly tool | |||
Record plug | |||
13 | Remove bolt (11) and place coolant pipe (12) with attached coolant lines to one side. | Screw/bolt, A/C compressor to oil pan | |
14 | Remove bolts (13) and remove refrigerant compressor (2) towards front. | | |
Screw/bolt, A/C compressor to crankcase | |||
15 | Install in the reverse order. | ||
Initial startup | |||
16 | Commission refrigerant compressor (2) using vehicle diagnosis system. | If the refrigerant compressor (2) was replaced. | |
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| Check | ||
17 | Check engine oil level. | | |
If there is a problem, | |||
| |||
Correct engine oil level. | |||
Engine oil | |||
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
18 | Perform engine test run, check air conditioning system for proper operation and leak tightness while doing so. |
000 589 93 63 00
Assembly tool
129 589 00 91 00
Record plug