Question about 2001 Chevrolet Cavalier

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2001 Cavalier overheated again with no heat out of heater.

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: 2002 cavalier overheats but heater blows cold air

check your coolant level. if it is low you will not have heat and also causing the vehicle to run hot.

Posted on Jan 05, 2010

  • 691 Answers

SOURCE: 2001 chevy cavalier, was overheating and took out

Physically look in the radiator under the cap(if one exsist's) when cool, for coolant level, and check the valve in the cap for sticking. If air is present in the radiator it can't get out, and more coolant can't get in,(from the overflow). Either clean the cap or replace it and check that it is the CORRECT cap.

If radiator is low on coolant fill it to overflowing, replace cap, and check that coolant overflow is filled to the COLD line or mark. The overflow is normally where you would add coolant. (never overfill the overflow)After refilling as outlined above, check the level every morning for 2 or 3 days until coolant level stops dropping below the cold mark and add coolant to the overflow ONLY. Do not open the radiator cap. Also, if you have even a tiny coolant leak anywhere in the system, air will get drawn in, instead of coolant from the overflow.

For more OVERHEATING PROBLEMS try these...
Radiator fins dirty, clean with a strong stream of water, not high pressure water.
Radiator clogged, try backflushing it, or replace.
Thermostat stuck open or shut, replace it.
Water pump worn out, can no longer move enough coolant, replace it.
Fan shroud broken or missing....
Electric Fan(s) not working, Check the fan, relay, fuse and engine temperature sensor's.
Belt driven fan, belt slipping, fan clutch is bad, fan blades have flattened out.

Air dam under front bumper is gone, loose, or broken. It actually has a purpose other than scraping on the driveway or curbs. It forces air up into and thru the condenser and radiator. If it's loose, airflow can actually push it out of place making it useless or blocking the airflow. Along with that, there may also be a plastic piece attached to the bottom of, and wraps up behind the bumper. If it

Posted on Aug 29, 2011

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1 Answer

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Possible, with rad cap off, let vehicle idle until coolant fan comes on then shut vehicle off for 30 minute cool down. Top up rad, install cap and drive and recheck heater operation and any overheating.

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2001 chevy cavelier is overheating


When the car overheats is the water in the reservoir hot?

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Need help, I have a 2001 Chevy cavalier 2.2 L..It hs been over heating, can't find the leak. Put water in it and it is bone dry real fast.We took out the thermostat and let the car idle for a while,...


Dear, check water leakage from the heater's radiator. For this, disconnect water circulation to the car cabin heater.
There are two water carrying hoses for the heater, one is to carry water to the heater and the other one is to carry it back to engine. One end of these two hoses is connected to the engine side and the other end of these hoses is connected to the heater side.
You have to disconnect any first hose's end from the heater's side and second hose's end from the engine's side.

Now connect the hose end, which you had disconnected from the heater

Aug 31, 2011 | 2001 Chevrolet Cavalier

1 Answer

2001 toyota celica no heat coming out


check your radiator level, as stupid as it sounds my 01 celica didn't have heat for 2 years. I was thinking it was the heat flap or something because when I drove the heat would start working and when I stopped it would stop working. Yesterday the car overheated so I checked the antifreeze and added about half a gallon. The car stopped overheating and as a side result the heater started working normally again. I did head slap and went on with life. Most vehicles have the heater core low to the floor but in the celica it is actually higher than the motor which means if fluid is at all low it won't work as it turns out.

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1 Answer

My 01 cavalier overheats while the heat is running. the radiator is less than 1 yr old. The water pump and thermostat have been replaced as well. What else could the problem possibly be.


Hello davismiasher and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2001 Chevrolet Cavalier, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link to:
How to diagnose an overheating Chevrolet Cavalier engine

Anyways if that helps you any little bit, then feel free to follow me on Twitter. That one is at: twitter.com/acoates23234

Thanks for the vote, and good luck!

Nov 21, 2010 | 2001 Chevrolet Cavalier

2 Answers

I am having problems with my 96 Cavalier over heating. I replaced the thermastat . it was great for 2 weeks ,, then over heated again. I changed to water pump , great for 3 weeks.. over heated again....


Is your vehicle low on water constantly? If so you may have a bad heater core and it is leaking water into the passenger compartment. Feel around on the lower right side of the floorboard and see if it is wet. If it is then your heater core is leaking water and antifreeze into you care. Another way to determine this is if you windshiled focs bad on defrost (antifreeze on the windshield) and you can seem to clear the fog. If this is the problem then you can try some alumna seal that you pur into the raidator and this may help for a short tiem, but ultimately you will have to replace the heater core.

If there is no water on the floorboard I would pull the radiator cap while it is running and have someone rev up the engine, if you have a blown head gasket then you should see bubbles in the water in the radiator when you rev it (sign of combustion leakage into the coolant system). You can also buy a kit from NAPA that samples the water in your radiator to tell you if you have combustion in the coolant system. While you have the radiator cap open see if they water is flowing well in the radiator (it could be clogged). I would also make sure your colling fans are coming on when the vehicle gets hot.

I would replace the radiator cap as well, if the cap is bad this will cause your vehicle to overheat because the system isn't pressurized and unpressurized water boils way sooner than pressurized water causing overheating.

Apr 07, 2010 | 1996 Chevrolet Cavalier

1 Answer

2002 cavalier overheats but heater blows cold air


check your coolant level. if it is low you will not have heat and also causing the vehicle to run hot.

Jan 05, 2010 | 2002 Chevrolet Cavalier Coupe

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