D08.50-A037-79
1 | Heat exchanger | 3 | Refrigerant line | 7 | Electrical connector | ||
2 | Electrical connector | 5 | Expansion valve | 8 | Refrigerant line |
1 | Heat exchanger |
5 | Expansion valve |
9 | Bolts |
10 | Coolant hoses |
D08.50-A038-76
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. | |
Warning | Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. | |
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 handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system | ||
Topical note | Procedure for a damaged or leaky air conditioning system | ||
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 handling refrigerant R134a | |||
| Remove/install | ||
1 | Remove voltage of high-voltage on-board electrical system. | ||
2 | Drain refrigerant circuit. | ||
3 | Drain coolant of auxiliary circuit. | ||
4 | Remove coolant hoses (10) from heat exchanger (1). | ||
Capture escaping coolant with a suitable container. Seal connections. | |||
Set of protective covers | |||
5 | Disconnect electrical connectors (2, 7). | ||
6 | Remove refrigerant line (3) from the expansion valve (5). | ||
Seal refrigerant line (3). | |||
Record plug | |||
7 | Remove refrigerant line (8) from expansion valve (5). | ||
Seal refrigerant line (8). | |||
Record plug | |||
8 | Remove screws (9). | Screw, auxiliary circuit heat exchanger to holder | |
9 | Remove heat exchanger (1). | Removal: Remove heat exchanger (1) with attached expansion valve (5). | |
The heat exchanger (1) is delivered as a replacement part with expansion valve (5). | |||
10 | Install in the reverse order. |
001 589 01 91 00
Set of protective covers
129 589 00 91 00
Record plug
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