Question about 1995 Oldsmobile Aurora

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Overheating on the highway, but not in city?

I have a 95 Aurora. 170000 miles and having lots of problems with cooling system. First off i had a collant leak and fixed it with new water pump. after that id drive in city and short drives. no problems...normal operating temp. after cruising on the highway it will overheat. so i put a new thermostat in and it helped for a lil while. now im driving cars says overheating and tryed to turn on air to 90 deg. and cold air blowing with temp in red. i checked fluids everything looks normal oil radiator fluid tranny...etc no dirty fluids. could this be my waterpump belt, tensioner or possible a clog in radiator. looking for a cheaper fix cause im sick of screwing with it....help please!?!?!

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  • tdbold Dec 19, 2008

    where is this located..

  • tdbold Dec 19, 2008

    i also had a check engine light come on right before it took a ****. which hasnt been on ever since ive owned the car. but now it isnt on. can they still pull codes off it?

  • tdbold Dec 20, 2008

    Also after water pump and thermostat was put in, i was leaking from reservoir cap.. so i bought a new cap. its a pressured cap.. could this in anyway be a clogged radiator?

  • Anonymous Jan 08, 2009

    ****

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Have it checked at an auto supply store for free. it could be the coolant temp. sensor.

Posted on Dec 19, 2008

  • Daniel Arellano
    Daniel Arellano Dec 19, 2008

    On many cars it is on the radiator or on the engine block. mostly on the radiator. Usually it is mounted at the bottom or on the housing to the sides of the radiator.

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