Remove/Install Radiator - AR20.20-P-3865MNG
Engine 177 in model 253
| 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 to skin and eyes suffering scalding from contact with hot coolant spray. 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. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| 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 | ||
| 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 air conditioning system | AR83.30-P-1760LW | |
| 2 | Remove fan unit (38) | AR20.40-P-5050MNG | |
| 3 | Remove nuts of refrigerant line (6, 7) at condenser | *BA83.30-P-1002-01Q | |
| 4 | Release and disconnect electrical connector at refrigerant pressure sensor (B12) | AR83.30-P-6540MNG | |
| 5 | Drain off coolant | AR20.00-P-1142MNG | |
| 6 | Remove coolant hose (30, 31, 32, 33, 40) | AR20.20-P-7441-01RQ | |
| 7 | Remove additional engine radiator (22) | AR20.20-P-3867MNG | |
| 8 | Unclip air duct segment (12) with brackets (2) from supporting frame (50) and remove downward | ||
| 9 | Lift radiator package upward out of left and right elastomer bearing (41) and remove radiator package downward | ||
| 10 | Press brackets (43) together and remove radiator (42) from supporting frame (50) | ||
| 11 | Check radiator (42) for damage | Where radiator (42) is damaged. ↓ Replace radiator (42). |
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| 12 | Check elastomer bearings (41) for damage | Where elastomer bearings (41) are damaged. ↓ Replace elastomer bearings (41). |
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| 13 | Install in the reverse order | ||
| 14 | Install lower engine compartment paneling | AR61.20-P-1105LW |
AIR CONDITIONING
| Number | Designation | Model 253 | |
|---|---|---|---|
| BA83.30-P-1002-01Q | Nut, line to condenser | Nm | 12 |