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engine overheating problem?

ok im not a mechanic but i know quite abit about cars but i rather fix the problem quick rather than diagnose 10 maybe the reason why

car is a 2.0 convertible peugeot 306 2001 (y) reg

manual petrol

car does not leak no water or oil

oil is not seen in the water

water is not seen in the oil

when u turn on ignition i hear a fan kind of noise - im not sure if some1 has conected the radiator fan to automaticly come on with ignition as the fan does not sound very powerful however i dont know if its the fan as i canot see to the radiator fan plus the noise comes from the glove box area

when in trafic the car temprature creaps up from 70 to 90 then higher - luckey enough ive not been in trafic for long enuff for it to go into the red but when close to it i ovbiously put on the heaters full blast let the heat out

i dont know if the temprature gauge is perfoming right ? - as sometime it doesnt seem to work at all so maybe the car is not overheating ?? algough it it rising in traffic recently

the fan noise doesn not sound too powerful like when you hear a car fan when a fan kicks in this noise sounds like (slowish wearling mental sound)

help ?

5 Answers

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  • 1 decade ago
    Favorite Answer

    if there is no water in oil then head gasket is fine. have you checked the thermostat?

  • Anonymous
    1 decade ago

    The thermostat might be sticking and not opening all the way. This device is normally either inline on one of the hoses or in a housing on the engine where the coolant comes from engine to radiator.

    Although knowing the French it could be anywhere in the cooling system. The thermostats are designed for 80-95 degrees celsius but if it sticks and does not open 100% then the temp can go higher. These are not expensive and if easy to get to you can check it by removing, placing in a pot on the stove and using a thermometer, watch for when it opens (spring compresses). Check the temp, if over rating then replace. Remember to replace the gasket when reinstalling or replacing the thermostat.

    Radiator fan might be a problem as well if it isn't working properly. Normally the thermal sensor is a problem but otherwise dirt and lack of lubrication can also cause problems or motor failure. If the fan does not come on at proper temp then a little higher temp in traffic quite possible.

    Have fun.

  • 4 years ago

    Your thermostat may well be undesirable- if it somewhat is not beginning to permit the coolant to flow, your engine will overheat. they're inexpensive- many times approximately $10, and many times exceedingly elementary to alter collectively as doing a coolant substitute.

  • 1 decade ago

    If your radiatior fan is not properly blowing air effenctly or your radiator cap is not sealing you will slightly overheat as idle and at full throttle.

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  • Anonymous
    1 decade ago

    the engine head gasket is maybe wearing out and has a leak ..take it to a reputable mechanic for inspection

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