Remove/Install Fan Unit - AR20.40-P-5050MNI
Engine 177 in model 290
MODIFICATION NOTES
| 19.04.2023 | Document revised |
Shown on model 290 with code ME10 (Hybrid vehicle (Plug-in, PHEV))
| 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 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 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 | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
| 2 | Remove upper engine cover (8). | ||
| AP01.10-P-2405-01E | |||
| 3 | Remove engine air intake ducts (9). | ||
| 4 | Unclip hood release cable at air intake fitting (10). | ||
| 5 | Remove air intake fitting (10). | ||
| 6 | Drill rivets (11). | drill riveter |
|
| 7 | Remove screws (12) and remove supporting plates (13). | ||
| 8 | Remove screws (15). | ||
| 9 | Remove screws (16). | *BA62.30-P-1008-01H | |
| 10 | Remove screws (17). | *BA62.30-P-1003-01H | |
| 11 | Remove screws (18). | *BA62.30-P-1007-01H | |
| 12 | Remove screws (19). | *BA62.30-P-1003-01H | |
| 13 | Remove mounting clips (20). | ||
| 14 | Remove crossmember (14). | ||
| 15 | Unclip coolant line (6) from fan unit (5). | ||
| 16 | Release electrical connector (1) and disconnect. | ||
| 17 | Remove center and front bottom engine compartment lining. | AR61.20-P-1105FRX | |
| 18 | Unclip bracket (21) at cooling module (22) (arrow), remove and place low-temperature circuit circulation pump 3 (M43/8) to one side with connected lines. | Engine 177 in model 290 with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| 19 | Remove bleed line (2) from cooler. | Fig 1 | |
| 20 | Remove left and right bracket (4) from fan unit (5). | ||
| 21 | Detach fan unit (5) at radiator frame. | ||
| 22 | Press retaining lugs (3) rearward in engine compartment direction and remove fan unit (5) upward. | ||
| 23 | Mount protective plate on cooler. | When performing subsequent work in engine compartment. | |
| WF58.50-P-0110-01A | |||
| 24 | Install in the reverse order. | ||
| 25 | Check coolant level and correct. | *BF20.00-P-1001-04A | |
| 26 | Connect diagnostic system, read out fault memory and clear if necessary. | ||
| AD00.00-P-2000-06FR | |||
| 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 | Carry out engine test run and check engine for proper operation and leak tightness. | ||
| 28 | Install upper engine cover (8). | ||
| AP01.10-P-2405-01E |
CROSS MEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 290 | ||
|---|---|---|---|---|
| BA62.30-P-1003-01H | Bolt, strut to cross member | M8 | Nm | 20 |
CROSS MEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA62.30-P-1007-01H | Screw, front module carrier/cross strut to body/angle bracket for front module carrier | Nm | 11 |
CROSS MEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA62.30-P-1008-01H | Bolt, lock striker to cross member/front-module carrier | Nm | 10 |
COOLANT MIXING RATIO
| Number | Designation | All engines, except engine 178 in model 190.381 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-04A | Coolant mixing ratio | Antifreeze/water | Up to -25°C | % | - |
| Up to -37°C | % | 50/50 | |||
| As of -38°C | % | 55/45 | |||
| Overview and specifications sheet | BB00.40-P-0310-01A | ||||
| References to sheet specification | BB00.40-P-0310ZZ | ||||