Service and Maintenance 6.3 Cooling System 6.3.7 Draining the Cooling System © 30 299 0 Open the cap 1 of the expansion tank. Place a container beneath knurled screw 2. Unscrew the knurled screw 2 in an anti- clockwise direction until coolant is emitted. Drain off coolant. In case of clogging, rinse the radiator through with clear water. Tighten knurled screw 2. Filling/venting the cooling system: see section 6.3.8 Unit Engine (4 Cylinders) 2 1 Venting The cooling systems, which are built in line with our installation guidelines, are vented automatically after they have been filled. With external cooling systems in accordance with the specifications of the manufacturer.
Start the engine and warm up until the thermostat opens. 0297 4985 1 Loosen vent plug position 2 and sealing plug position 3. Add coolant up to the maximum marking or filler limit (heater valve of the system must be opened – if fitted). Tighten vent plug position 2 + sealing plug position 3. Close radiator cap position 1. Start engine and warm up until thermostat opens. Switch off engine. Check coolant level when the engine is cold and top up as required. Close the radiator sealing plug position 1. BFM 1013E 1013 E Short engine © 2002 6 1 2 © 30 299 0 © 30 299 0