Engine Radiator Fan OHC
1 – hydraulic fan clutch, 2 – fan blades, 3 – generator, 4 – belt, 5 – fan pulley, 6 – crankshaft pulley
Key for unscrewing the fan clutch
Dimensions: X=25 mm, Y=12 mm.
Hydraulic fan clutch
1, 2, 3 – front part of the housing, 4 – bimetallic spring, 5 – housing with cooling fins, 6 – valve, 7 – inlet, 8 – seal, 9 – rotor, 10 – drive shaft
1. Disconnect the ground wire from the battery.
2. Remove the top of the fan shroud by unscrewing the two bolts and disconnecting the four clips.
3. Unscrew the fan coupling from the coolant pump hub. To unscrew, you need a bent open-end wrench s=32 (OHC) or s=36 mm (V6).
Attention! The fan clutch mounting nut has a left-hand thread.
4. When unscrewing the fan clutch nut, clamp the V-belt and thus prevent the hub from turning.
5. Unscrew 4 bolts and remove the impeller from the coupling.
6. Installation is carried out in the reverse order of removal.