Remove/Install Radiator Unit - AR20.20-P-3871MSC
Engine 256.9 In Model 167
| 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. Engine 256.9 in model 167 with code 2U8 (Alternative refrigerant) |
AS83.00-Z-0007-01A | |
| 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. Engine 256.9 in model 167 except code 2U8 (Alternative refrigerant) |
AS83.00-Z-0006-01A | |
| 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 overpressure. 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 | |
| Notice | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notes on handling refrigerant R1234yf | Engine 256.9 in Model 167 with Code 2U8 (refrigerant alternative) | AH83.30-P-0003-02A | |
| Notes on handling refrigerant R134a | Engine 256.9 in Model 167 except code 2U8 (refrigerant alternative) | AH83.30-P-0003-01KOA | |
| Remove/install | |||
| 1 | Remove upper radiator shutters. | Engine 256.9 in model 167 with code 9U7 (Aerodynamic measure package control code) |
AR20.20-P-3882MSC |
| 2 | Remove air duct segment (3). | ||
| 3 | Discharge air conditioning system. | AR83.30-P-1760ME | |
| 4 | Remove fan unit. | AR20.40-P-5050MSC | |
| 5 | Remove brackets (2). | ||
| 6 | Unclip side air duct segments from radiator unit (1). | ||
| 7 | Drain off coolant. | AR20.00-P-1142MSC | |
| 8 | Remove coolant hoses from radiator unit (1) and seal with protective covers. | AR20.20-P-7441-01RQ | |
| Fig 3 | |||
| 9 | Remove bleed lines from radiator unit (1) and seal with protective covers. | AR20.20-P-7441-01RQ | |
| Fig 2 | |||
| 10 | Remove refrigerant lines at condenser and place to one side, seal openings with suitable stop plugs. | *BA83.30-P-1003-01U | |
| Fig 4 | |||
| 11 | Release and disconnect electrical connector of refrigerant pressure sensor (B12/2), unclip line from radiator unit (1). | AR83.30-P-5430OID | |
| 12 | Remove cross strut (4). | *BA62.30-P-1006-02I | |
| 13 | Secure radiator unit (1) against falling down. | ||
| 14 | Remove coolant lines (5) from mounting supports (6). | ||
| 15 | Remove mounting supports (6). | *BA62.30-P-1007-02I | |
| 16 | Release radiator unit (1) and remove downward. | ||
| 17 | Check radiator unit (1) for damage. | If damage is present ↓ Replace corresponding component. |
|
| 18 | Check lower elastomer bearings of radiator unit (1) for wear and damage. | If damage is present ↓ Replace lower elastomer bearings |
|
| 19 | Install in the reverse order. |
FRONT END WITH REINFORCEMENT
| Number | Designation | Model 167 | ||
|---|---|---|---|---|
| BA62.30-P-1006-02I | Nut/screw, lower crossmember to radiator unit mounting support | M10 | Nm | 55 |
FRONT END WITH REINFORCEMENT
| Number | Designation | Model 167 | ||
|---|---|---|---|---|
| BA62.30-P-1007-02I | Screw, radiator unit mounting support to front crossmember | M6 | Nm | 10 |
AIR CONDITIONING
| Number | Designation | Model 167 | ||
|---|---|---|---|---|
| BA83.30-P-1003-01U | Nut, refrigerant line to condenser | M6 | Nm | 12 |