ELECTRICALS 194 6.0 EXHAUST FAN REMOVAL AND REFITMENT ON VEHICLE:- Description: In Nano AMT, an additional fan (Exhaust Cooling Fan) added in engine compartment to control the engine compartment temperature. Exhaust fan will get switch ‘ON’ whenever the engine coolant temp is greater than 60°C in engine running condition, and will remain ‘ON’ in that driving cycle. If coolant temp is below 60°C, exhaust fan will remain ‘OFF’ even during engine running. During after run period (Post cooling), if the coolant temperature is ≥ 92°C, than fan will remain ‘ON’ for the duration of 60 Sec (1 min) or till battery voltage goes < 11.3 volt or otherwise it will remain ‘OFF’. Removal: 1. Remove the all mounting bolts and clips of rear bumper. 2. Take out the rear bumper carefully securing to the body. 3. Disconnect the both (pole motor and pole sensor) wiring harness connectors of exhaust fan assembly 4. Remove all 4 bolts and washer (Quantity 3) of exhaust fan duct assembly from bracket. 5. Remove the both screws and washer (Quantity 2 each) of bolted bracket from welded bracket.
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