Question about 2000 Oldsmobile Alero

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I have a 2000 Oldsmobile Alero, it keeps overheating, I had the radiator flushed and it is still overheating. I was thinking it maybe the thermostat but I’m not sure where it is.

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I have a 2000 Alero with a 2.4lL engine. How do I chnage the thermostat

Posted on Oct 24, 2010

  • Elizza Nov 12, 2010

    My Alero started overheating, and it turned out to be two blown gaskets... costly fix.



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3 Answers

It keeps overheating and the coolant is full

Sounds like the radiator is clogged. Take it to radiator shop and have it flushed

Feb 03, 2013 | 1999 Oldsmobile Alero

1 Answer

I replace the thermostat housing and my car is still overheating

I would flush your radiator fuid, sometimes you can get a bubble in there that will cause the overheating, Also ive seen dirt build up on the outside of your radiator so check that out 1st. If non of these work u might be looking at a head gasket. Good luck

Sep 19, 2010 | 1999 Oldsmobile Alero

4 Answers

Why my 1999 oldsmobile alero runnig hot after I've gotten it fix

there may be air trapped in the coolant system. the fans may not be connected since you had the radiator replaced. bring it back to the mechanic who did the work and tell him your not satisfied.he should be responsible for the discrepany.

Apr 23, 2010 | 1999 Oldsmobile Alero

1 Answer

Thanks for the cap but can anyone give me some tips on whit maybe casing the overheating prob....

gm coolant the pink stuff is notorious for creating blockage severely flush the system use a radiator and coolant system flush product from local parts store, follow directions replace with green coolant. plus youll want to check the intake make sure the gasket hasnt let go have replace two because of coolant blockage major job approx 12 hrs so is expensive, done this on a 2000 alero with 127,000 miles and a 2002 with 60,000 miles. ps the intake gasket usually lets go at the left side youll need a flash light. Hope this helps

Mar 15, 2010 | 1999 Oldsmobile Alero

1 Answer



Low coolant - check and refill if necessary
Thermostat is stuck shut - replace
Radiator clogged - clean fins of radiator. Have the radiator flushed.

Jan 28, 2010 | 2000 Oldsmobile Intrigue

1 Answer

Overheated I think it's the thermostat

If it was me, I would flush the radiator, and change out the thermostat. Those are the first things I would look at.

Dec 17, 2009 | 1986 Oldsmobile Cutlass Supreme

2 Answers

2001 Oldsmobile Alero overheating

I think you started out looking in the right places. Replacing the coolant, thermostat, relay and sensor are all fairly inexpensive.

I believe you either have blockage in the system (especially if you're using tapwater), or your water pump may be failing.

I would first either take it to a radiator shop and have them flush the cooling system out thoroughly, or else pick up a chemical flush kit and do it yourself. This involves more than just drain and refill.

If this doesn't work, your next step will probably be replacing the water pump. At almost 200k miles, it's probably about due anyway.

Jun 16, 2009 | 2001 Oldsmobile Alero

2 Answers

2002 olsmobile alero w/ 3.4 litre engine overheating

your fans need replacing try hooking them up straight to battery to check if they spin fast its not the fans but the wiring.

Jan 11, 2009 | 1999 Oldsmobile Alero

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