Remove/Install Low-Temperature Circuit Cooler - AR09.41-P-6936MNE
Engine 177 in model 213
| 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. | AS83.00-Z-0007-01A | |
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-N-0005-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on coolant | AH20.00-N-2080-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| Remove/install | |||
| 1 | Drain off coolant of engine cooling system | AR20.00-P-1142MNE | |
| 2 | Drain off coolant in the low-temperature circuit | AR09.41-P-6834MNE | |
| 3 | Drain air conditioning system | AR83.30-P-1760LW | |
| 4 | Remove fan unit | AR20.40-P-5050MNE | |
| 5 | Remove additional engine radiator | AR20.20-P-3867MNE | |
| 6 | Remove lower coolant line on radiator package | *BA00.10-P-1002-04A | |
| 7 | Remove refrigerant lines from condenser | *BA83.30-P-1006-01R | |
| 8 | Release and disconnect electrical connection of the pressure sensor from condenser | ||
| 9 | Remove brackets (5) of additional engine radiator | ||
| 10 | Unclip front air duct segment (4) on cooling module (2) | ||
| 11 | Detach all coolant hoses (3) at radiator and at low-temperature circuit radiator (1) | AR20.20-P-7441-01RQ | |
| 12 | Take out cooling module (2) in upward direction | ||
| 13 | Unclip radiator low-temperature circuit (1) at cooling module (2) (arrows) and remove radiator low-temperature circuit (1) | ||
| 14 | Install in the reverse order |
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143
| Number | Designation | 8.8 | 10.9 | |
|---|---|---|---|---|
| BA00.10-P-1002-04A | M6 x 1 | Nm | 9 | 13 |
AIR CONDITIONING
| Number | Designation | Model 213 except code 1U6 (R744 refrigerant) | Model 213 with code 1U6 (R744 refrigerant) | |
|---|---|---|---|---|
| BA83.30-P-1006-01R | Nut/bolt, refrigerant line to condenser | Nm | 12 | 12 |