Remove/Install Viscous Fan Clutch - Ar20.40-D-5660SF
ENGINE 642.898 in MODEL 906
Fig 2: Viscous Fan Clutch Remove/Install Component Location (Only On Engine 642.896/898 With Code (HH9) Regulated Air Conditioning, Tempmatic)
REMOVE/INSTALL VISCOUS FAN CLUTCH - ENGINES 272.979, 642.896 /898 /992 /993 IN MODEL 906
| Remove/install | |||
| Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities | No parts of the body or limbs should be within the operating range of the mechanism when moving components. | ||
| 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. |
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| 1 | Remove preglow output stage | Engine 642.993 | |
| 2 | Unclip coolant hose (3) and place to one side | Engine 642 | |
| 3 | Disconnect electrical connector (14) from viscous fan clutch (10)n | On vehicles with engine 642.896/898 and Code (HH9) Regulated air conditioning (Tempmatic) | |
| 4 | Unscrew bolt (13) and lay electrical line (12) down to side | On vehicles with engine 642.896/898 and Code (HH9) Regulated air conditioning (Tempmatic) | |
| 5 | Unscrew bolt (15) and turn torque support (16) | On vehicles with engine 642.896/898 and Code (HH9) Regulated air conditioning (Tempmatic) | |
| 6 | Unclip cover (2) at fan shroud (1) | ||
| 7.1 | Remove viscous fan clutch (10) with open end wrench (11) and counterholder (8) from fan drive (9) and lay in fan shroud (1) | Engine 642 |
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| Fig 3 | |||
| 7.2 | Remove viscous fan clutch (10) with open end wrench (11) and counterholder (8) from coolant pump and lay in fan shroud (1) | Engine 272 |
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| Fig 3 | |||
| 8 | Unlock fan shroud (1) at catch hooks (4), pull out upwards from guides (5, 6) (arrow) and lift until the viscous fan clutch (10) can be removed | ||
| 9 | Install in the reverse order |
VISCOUS FAN CLUTCH TORQUE SPECIFICATIONS - ENGINES 642 IN MODEL 906
| Number | Designation | Engine 642 in model 906 | |
|---|---|---|---|
| BA20.40-N-1003-01N | Viscous clutch on fan drive | Nm | 45 |