Remove/Install Cooling System Radiator - AR20.20-P-3865MNL
Engine 176 In Model 217, 222
Shown on model 217.4
| Risk of injury when working on air conditioning systems due to R744 refrigerant escaping under pressure. Risk of suffocation from inhaling R744 refrigerant in high concentrations. Health hazard caused by inhalation of R744 refrigerant | Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. Engine 176 in model 217, 222 with code 1U6 (R744 refrigerant) |
AS83.00-Z-0008-01A | |
| 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 176 in model 217, 222 with code 2U8 (Alternative refrigerant) |
AS83.00-Z-0007-01A | |
| 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 | |
| Notice | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notes on handling refrigerant R744 | Engine 176 in model 217, 222 with code 1U6 (R744 refrigerant) |
AH83.30-P-0003-03A | |
| Notes on handling refrigerant R1234yf | Engine 176 in model 217, 222 with code 2U8 (Alternative refrigerant) |
AH83.30-P-0003-02A | |
| Remove/install | |||
| 1 | Drain off coolant in the low-temperature circuit | AR09.41-P-6834MNL | |
| 2 | Drain off coolant of engine cooling system | AR20.00-P-1142MNL | |
| 3 | Drain air conditioning system | AR83.30-P-1760LF | |
| 4 | Remove fan unit | AR20.40-P-5050MNL | |
| 5 | Remove additional engine radiator | AR20.20-P-3867MNL | |
| 6 | Remove hydraulic fluid cooler | Engine 176 in model 217, 222 with code 487 (Active Body Control (ABC)) |
|
| AR32.50-P-0020LF | |||
| 7 | Unclip bracket of additional engine radiator | ||
| 8 | Remove refrigerant lines from condenser (12) and seal openings with suitable stop plugs | *BA83.30-P-1008-01P | |
| Fig 2 | |||
| 9 | Remove circulation pump for low-temperature circuit | AR09.41-P-6926MNL | |
| 10 | Unclip coolant lines (4) from air duct segments (3) | ||
| 11 | Release and disconnect electrical connector of outside temperature sensor (B14) | ||
| 12 | Release and disconnect electrical connector of refrigerant pressure sensor | Engine 176 in model 217, 222 except code 1U6 (R744 refrigerant) |
AR83.30-P-5430LF |
| 13 | Remove bracket (7) | *BA00.10-P-1002-04A | |
| 14 | Remove coolant hose (6) from radiator low-temperature circuit and seal with protective cover | AR20.20-P-7441-01RQ | |
| Fig 1 | |||
| 15 | Remove coolant hose (10) from radiator (1) and seal with protective cover | AR20.20-P-7441-01RQ | |
| Fig 1 | |||
| 16 | Remove coolant line (11) from radiator low-temperature circuit and from oil cooler (5) and seal with protective cover | AR20.20-P-7441-01RQ | |
| Fig 1 | |||
| 17 | Secure radiator package secure against falling down | ||
| 18 | Remove mounting support (8) of radiator package | *BA33.10-P-1003-01P | |
| 19 | Remove screws (80) and remove cross strut (79) | Engine 176 in model 217 | |
| *BA00.10-P-1002-04A | |||
| 20 | Fold left flap (13) and right flap (14) of air duct segment (2) inward in direction of radiator package | ||
| 21 | Remove radiator package downwards | ||
| 22 | Remove air duct segments (3) from radiator package | ||
| 23 | Remove air duct segment (2) from radiator package | ||
| 24 | Unscrew screw/bolts (9) | ||
| 25 | Remove radiator (1) | ||
| 26 | Install in the reverse order | ||
| 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. | AS00.00-Z-0005-01A | |
| 27 | Perform engine test run and check engine for proper operation and leak tightness | ||
| 28 | Install lower engine compartment paneling | AR61.20-P-1105LF | |
| 29 | Install upper engine cover |
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143
| Number | Designation | 8.8 | 10.9 | |
|---|---|---|---|---|
| BA00.10-P-1002-04A | M6X1 | Nm | 9 | 13 |
FRONT AXLE CARRIER
| Number | Designation | Model 217 | MODEL 222 except CODE Z07 | |
|---|---|---|---|---|
| BA33.10-P-1003-01P | Bolt/nut, front mounting console to front axle carrier | Nm | 20 | 20 |
FRONT AXLE CARRIER
| Number | Designation | MODEL 222 with CODE Z07 | |
|---|---|---|---|
| BA33.10-P-1003-01P | Bolt/nut, front mounting console to front axle carrier | Nm | 20 |
AIR CONDITIONING
| Number | Designation | Model 217 except code 1U6 (R744 refrigerant) | Model 217 with code 1U6 (R744 refrigerant) | ||
|---|---|---|---|---|---|
| BA83.30-P-1008-01P | Bolt/nut, refrigerant line to condenser/gas cooler | M6 | Nm | 12 | 12 |
AIR CONDITIONING
| Number | Designation | Model 222 except code 1U6 (R744 refrigerant) | Model 222 with code 1U6 (R744 refrigerant) | ||
|---|---|---|---|---|---|
| BA83.30-P-1008-01P | Bolt/nut, refrigerant line to condenser/gas cooler | M6 | Nm | 12 | 12 |