Question about 2005 Chevrolet Equinox

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I have a Chevy Equinox and it keeps overheating. Water pump replaced, thermostat replaced, all hoses checked for leaks then flushed out,oil changed, tune-up. Using 50/50. Was told its not the gasket because when pushing the gas down it cools down.That is suppose to be a flow problem but they have checked all hoses and flushed everything out.

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  • Chevrolet Master
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You don't mention the radiator. Has that been eliminated as a source of the overheating problem?

Posted on Oct 22, 2013

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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: I have a 2005 Chevy Equinox, keeps over heating.

Make sure you have the proper antifreeze mixture of 50/50 (antifreeze/water), Too much water will boil over and too much antifreeze will gel up causing overheating. The other thing you can do is replace the temperature sensor and that is on the intake manifold by the thermostat housing, you can see it and can be replaced in under 10 min with a socket and disconnecting the wire clip to the sensor. If your not sure where the temperature sensor is, you can pick up the sensor at Auto Zone and they can give you the step by step instructions for you to replace it with common tools. 
The other thing to is the radiator fan turn on once the gauge hits 190-205 when the car is stopped, If the car is moving then it should not be overheating since the air should be flowing through the radiator. It also has been know for the Antifreeze to gel up and crystallize in the cooling system and may need to be flushed out, this is common with the Orange Antifreeze and is always neglected and the 50/50 ratio is no longer and thew antifreeze ratio is higher causing the gelling and then crystallizing. This can be fixed buy flushing out the entire cooling system with Preston Radiator flush, just follow the instruction and you should have the problem solved. 
Good luck and keep me posted, Start with the cooling system flush first before replacing the temperature sensor. 

Posted on Jul 23, 2009

emissionwiz
  • 75822 Answers

SOURCE: 96 Blazer Overheating

Yes the issue is most likely an air block, jack the front of the truck up as far as you can, fill the recovery bottle and run the engine for about 10 min, then shut down and run cold water over the radiator, this should purge the air, recheck the recovery tank and refill as ness.

Posted on Oct 30, 2008

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2006 chevy equinox water pump changed, intake gasket changed, thermostat changed radiator flushed still overheating. can rev car up and temp drops but let idle and it starts overheating again


Do the cooling fans come on ? Your vehicle should have two fans controlled by The PCM - engine computer energizing three different relay's for low and high speed .

May 11, 2017 | 2006 Chevrolet Equinox

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OVERHEATING 2004 CHEVY TRAILBLAZER


The first thing I would do is flush the cooling system with a quality flush. I would inspect the radiator for leaks and back wash it to remove built up dead bugs/dirt. I would make sure the fan was coming on and operating properly. I would inspect/change the thermostat. I would consider changing the water pump if the above does not work. While you are there change the hoses and serpentine belt.
Don't reuse the antifreeze, replace with new after a complete flush. Use the proper mix/type for your vehicle.

I recently did all of the above on 1995 Ford 4.6L because of overheating and found the parts were oem! The water pump had no fins left on the impeller and the thermostat was partly missing. Very neglected system and the antifreeze looked like sun tea. Yours may not be that bad but you never know.

May 03, 2017 | Cars & Trucks

1 Answer

I had a bottom radiator hose blow off my 05 equinox and I flushed the block then the heater core a d changed the thermostat put all new coolant in and still keeps overheating


What about the radiator? Water pump? Can you check for coolant flow? There could be air in the cooling system? Do you trust your temp gage? Are there overheating issues besides the temp gage showing hot, like coolant overflowing, under the hood, somewhere?

Dec 15, 2016 | Cars & Trucks

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2006 Chevy Equinox Overheating


The first thing that comes to mind is a bad head gasket and fits our symptom. Combustio

Jul 14, 2013 | 2006 Chevrolet Equinox LS

2 Answers

I have a 89 pontiac firebird Trans Am "GTA" 5.7L tuned port injected. My engine gets hot somehow and my car has a quick start but lower power afterward. What could the problem be?


Fix the radiator cooling problems. You will damage the engine if you keep running the car in an overheated condition.

1. Replace the thermostat in the cooling system
2. Replace the water pump
3. Flush the cooling system thoroughly and re-fill with the correct coolant. Bleed any air out of the system otherwise you will have problems with air blockages and thus poor coolant flow.

You probably do not know how to do any of this so take it to a reputable workshop or cooling specialist to have it done.

Dec 25, 2012 | 1989 Pontiac Firebird

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My car overheats very easy.i can drive 1 exit on the highway and the temp goes up very fast. i dont know what it could be. there is always fluid in the reserve area and doesnt seem to be getting low or im...


COULD BE THERMOSTAT IF TOP RADIATOR HOSE IS NOT HOT AND BOTTOM RADIATOR HOSE GOING TO WATER PUMP IS HOT THE THERMOSTAT STICKING PARTIALLY CLOSE.IF TOP HOSE IS HOT THE RADIATOR,ENGINE BLOCK HEATER CORE NEED FLUSHING OUT.IF WATER PUMP WEEP HOLE LEAKING REPLACE WATER PUMP, FAULTY WATER PUMP WILL CAUSE ENGINE TO OVER HEAT.REPLACE RADIATOR CAP MAKE SURE YOU HAVE 50 / 50 MIX SOLUTION ANTIFREEZE AND WATER IN COOLANT SYSTEM. IF ALL LOOKS GOOD CHECK ENGINE OIL ON DIP STICK, IF OIL IN DIP STICK LOOK LIKE MILKSHAKE YOU HAVE BLOWED HEAD GASKET THAT WILL CAUSE ENGINE OVERHEATING WHILE DRIVING CAR IN SHORT DISTANCE AND ENGINE OVERHEATING.

Aug 16, 2011 | 1999 Oldsmobile Alero

2 Answers

1994 Honda Civic LX\overheating within 2 mile drive


Remove and raise upper hose at thermostat end and remove lower rad hose.
Fill rad with a hose and watch for flow from bottom rad hose and/ or bottom rad hose connecton.......water should fall though rad easily.
Honda rads are cheap.....any restriction....replace rad.

Remove thermostat....fill thermostat housing with hose and watch for water flow at bottom rad hose.
Flush good.

Remove heater hoses.......flush back and forth until a good flow is present "With heater control set to hot" if no or poor flow....replace heater core.

Stop leak can plug everything.

Also.......not likely causing over heating....but ....at your mileage,if you do not know if the timing belt has been changed.....CHANGE IT NOW!
Water pump is optional at this mileage.

Aug 23, 2009 | 1998 Honda Civic

7 Answers

I have a 2005 Chevy Equinox, keeps over heating. We changed the thermostat, then the water pump, but it is still running hot. No leaks and no check engine light. Not sure what else the problem can be.


These trucks are bad about developing an air lock in the coolant system. Be sure that there is no air in the system after sealing. This can be done by using the bleeder on the top of the engine near the water jacket. Hope this helps. good luck.

Jul 22, 2009 | 2005 Chevrolet Equinox

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