Remove/Install Cooling System Fan Unit - AR20.40-P-5050SC
Engine 176 in model 223
| 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 | |
| Risk of injury due to fan starting unexpectedly | Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. | AS20.40-Z-0001-01A | |
| 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 pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove upper engine cover. | ||
| AP01.10-P-2405-01OA | |||
| 2 | Drain off coolant. | AR20.00-P-1142SC | |
| 3 | Drain coolant of low-temperature circuit. | AR20.00-P-1144SC | |
| 4 | Remove engine air intake ducts (1) upstream of the air filters. | Fig 1 | |
| 5 | Remove cold air duct (2). | Fig 1 | |
| 6 | Remove covers (3) on left and right. | Fig 1 | |
| 7 | Remove screws (4) in cross strut (5) on front module. | *BA62.30-P-1005-01G | |
| 8 | Remove cross strut (5). | *BA62.30-P-1005-01G | |
| 9 | Remove clip fasteners (6) from the radiator package. | ||
| 10 | Release and disconnect electrical connector (7). | ||
| 11 | Remove coolant hose (8) from the cooler. | AR20.20-P-7441-01RQ | |
| 12 | Remove coolant hoses (9, 11) from the cooler. | AR20.20-P-7441-01RQ | |
| 13 | Remove coolant hose (12) from the cooler. | AR20.20-P-7441-01RQ | |
| 14 | Remove coolant line (14) from the fan unit (10). | ||
| 15 | Remove nuts (15) and place low-temperature circuit switchover valve (Y73/1) to one side with connected lines. | ||
| 16 | Remove screw (16) and remove bracket (17) from the cooler. | *BA20.20-P-1014-01Q | |
| 17 | Unclip bottom of fan unit (10) from the cooler unit. | ||
| 18 | Unclip top of fan unit (10) from the cooler unit to the side and remove upward. | ||
| 19 | Install in the reverse order. |
RADIATOR, COOLANT HOSES
| Number | Designation | Engine 176 in model 223 |
|---|---|---|
| BA20.20-P-1014-01Q | Screw, holder of switchover valve to radiator frame | - |
CROSS MEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 223 | ||
|---|---|---|---|---|
| BA62.30-P-1005-01G | Screw, front module cross strut to crossmember | M6 | Nm | 8 |