Question about 2002 Oldsmobile Alero

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02 Alero not overheating, no heat

My 02 Alero had an overheating issue a month or so back. We changed the water pump because it was leaking. Worked for about a week. Thought the thermostat was the problem becuase I would get heat, then lose heat, then by gage would go between normal and hot and then would go back down to normal and I would get heat back. Well needless to say my thermostat was not the problem. I did have an oldsmobile dealer look at it and he said my intake gasket and head gasket is leaking. I smell antifreeze when my car first warms up but eventually it goes away. I am not leakin any antifreeze or anything. I am stuck on this issue. Please help!!

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  • 2 more comments 
  • austin15728 Dec 11, 2008

    Im not leaking into the vehicle, we had already checked that...Every time we put antifreeze in it to where it is supposed to be filled to it comes out the back fill. Eventually it would not come out and thought it was fine. Im so frustrated at this!!

  • rose_red_91 Dec 26, 2008

    not over heating not blowing hot air and blowing white smoke out the exhast smelling like anifreeze

  • cheng6 Jan 21, 2009

    99 Alero My heat is not working. I feel a little warmth when the car is moving. When it's at a light or stop sign it it blows cold air. I have put anti freeze in it and still nothing. I don't know what to do!!!!!!!!!!!!

  • Anonymous Mar 14, 2014

    my 2000 alero caught on fire as i was going to work tuesday march 11 2014 and now my car is totaled is there anything that could help me in anyway such as recalls or something cause now im out of a ride with no warning i have no idea what caused the fire i know i drove it the past month w/o any problems and i kept it well maintained no gas or oil leaks was present

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  • 38 Answers

When you say not leaking antifreeze has your coolant level gone down at all? and is it that you have seen no leaks where you park it? What worries me is you can smell it when warming up, have you felt the interior floors to see if damp and do you get any condensation if put blower onto screen, if so then heater matrix is leaking if not could be down to headgasket and/or cylinder head leak.

Posted on Dec 11, 2008

  • ovs5
    ovs5 Dec 12, 2008

    Ok sounds like possible headgasket/cylinder fault suggest make sure that system is bled through corrctly just in case its simply an air lock then if still same get coolant system pressure tested to see if preesure drops to confirm cylinder/gasket fault.

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