A week or two ago i noticed a running water sound when i first started the car,this stopped when i turned the fan off although could not see or hear anything when i looked under the bonnet.The last couple of days i have noticed the windows are steaming up when the car is parked up and this morning the fan heater stopped working altogether. I have just been and checked and although the fan is now working again i have now noticed that the front footwells are wet,so am thinking leak.Any help would be appreciated.
The heater core in your car has most likely begun to fail...Get a few estimates to compare your options...Hope this helps.
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SOURCE: renault megane dynamique dci 80 2003
Check your plugs again, make sure they aren't gunked up already or covered in oil or anything. Double check the spark gaps on them as well.
SOURCE: renault megane scenic ( t-reg)
The sunroof drainage gets blocked.
your footwells will fill with water - even under your seats right to the back seats footwells
See two 10mm holes in front sides when sunroof is open.
a) push a flexible cable down from the top - it comes out just behind the front wheels. (use electric three core cable - or TV aerial cable - a hanger is too short) - you need about a metre and a half)
b) remove the inner mudgaurd behind the front wheels (2 screws) you will see the end of the plastic drainage pipes - remove the blocked black rubber cup at the end of these - why they are there is anybody's guess)
SOURCE: renault megane scenic RX4 climate control fan has failed
the vehicle is old enough that the fan blower motor sounds like it is in need of replacing. when you hit the dash it causes the brushes in the motor to contact enough to start the electrical connection, it may stop when it gets hot, or is turned off. the ticking sound is more than likely the bearings wore in the motor enough to cause the cage fan to touch the housing enough to cause the sound.
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