Question about 1996 Chevrolet Cavalier

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1996 chevy cavalier keeps overheating

Changed the thermostat, heater coil, power steering pump, serpentine belt, flushed radiator, checked all hoses - it wasn't the water pump tried that too - and it's not smoking so I don't think it's the head gasket

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  • Chevrolet Master
  • 660 Answers

You have to :burp" the cooling system.

Rather than me trying to walk you through this with text, just google and youtube yourself through it.

Search for things like "Bleeding the cooling system" and you will find a few different ways you can do this.

Just use caution when the water is hot.

Posted on Mar 19, 2014

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Posted on Jan 02, 2017

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SOURCE: 1993 chevy camero- thick, rusty colored residue in radiator

The rust is probably in the engine. There are many little pockets, water ways, water jackets (around the cylinders), etc, so getting all the rust out without dunking the block and heads in a cleaning tank is about imposible. I would recommend giving it really good flush every 4 to 6 months. I would try flushing the radiator before replacing it because it is probably not rusted, even though it is full of gunk.

Posted on May 18, 2009

pippall
  • 1486 Answers

SOURCE: overheating

Possible head gasket.Check to see if water is coming out of exhaust pipe.Or steam.

Posted on Jun 06, 2009

  • 75 Answers

SOURCE: My 99 Cavalier keeps steaming and overheating. I

90's Cavaliers are notorious for problems such as these.

I hate to be the barrier of bad news, but in this case I would suggest that your engine either has a blown head gasket, and/or a warped head.

There is also the possibility that you blew a "soft plug" or cracked the block and that the coolant is leaking out through the base of the engine.

To find out of you have a blown head gasket, you can remove the oil cap from the valve cover and inspect it. If it has a yellow-brown-ish goo that is the consistency of paint, then you definitely have a blown head gasket and coolant has mixed with your oil. Meaning that you likely need an overhall.

You can also check by removing your radiator cap and checking to see if little tiny bubbles come up while the car is running. That is a sign of a compression leak, meaning that you most likely have a crack somewhere in either the cylinder head or the block.

Also, those cars have many very small radiator hoses that are in the middle of the engine and hard to see, find or replace.

In this instance, it sounds like your car has over heated more than 4 times, and once you get to that point you are likely to have fried the engine. This is because the newer engines are mostly aluminum and can't stand that much heat that often.

I would suggest seeking either a new car, or seeking a used engine to replace in your car. A used engine for those is fairly cheap compared to the price of fixing the problems that are likely to have occurred from excessive over heating.

Posted on Nov 11, 2009

  • 6982 Answers

SOURCE: overheating they say head gasket changed

If you have white smoke from the tailpipe, coolant in the engine oil, engine oil in the cooling system, that indicates a head gasket failure. However, the most definitive way to test is to have a hydrocarbon test done on the cooling system (checks for exhaust gasses that obviously don't belong in there).
If the system comes up clean, you still can have either a leaking intake gasket, partially obstructed radiator (many times flush will go around obstructions not through them), a malfunctioning electric fan or fan relay, or even an obstruction in front of the a/c condenser or between the condenser and radiator (leaves, plastic bags etc) Don't forget though even if the cause is other than a gasket, if repeatedly or severely overheated the head gaskets can also fail. That is why complete testing is very important.
good luck

Posted on Jan 20, 2010

  • 14585 Answers

SOURCE: few days ago cavalier decided to empty coolant out

Water pump. The impeller can come loose from the shaft and not circulate enough coolant. These can throw you off, because when you remove the pump the impeller will be tight against the shaft. It is when they warm up they begin to slip. If the heater core is not leaking don't bypass it.

Posted on Aug 17, 2011

Testimonial: "will check it out and will keep you updated had to take a day off of it for a moment. can i contact u my email is coty102@gmail.com"

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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

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Does anybody have a video link on how to flush the cooling system on a GM 3.1L SFI OHV 6cyl motor? I need a vid for this particular motor cause mine is still overheating & i have looked everywhere.


flushing a cooling system is the same method as any other motor

do it without the thermostat fitted
or water pump opening

sacrifice an old radiator hose to adapt a garden hose fitting
for radiator flush

air in system fix
your thermostat housing has no air bleed valve
no top radiator cap

old school way
heater on full
run motor till thermostats fully open
burp radiator hoses
wait till water is running up into over flow bottle without bubble
replace cap
turn off heater
correct level in over flow bottle

why still over heating
you fitted everything i would have ... yet still overheat
possibles
leaking inlet manifold gaskets
hose clamps loose
cooling fans spinning too slow
thermostatic fan switch faulty
aluminum radiator is a big one
air ..fins bent or some water channels blocked

or possible head gasket leak




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2001 pontiac montana overheating whats is pump rotation. n serpentine belt diagram


You paid a shop to work on an overheating problem ,
or other issues & they failed to resolve things

Take it back

We don't have the vehicle to diagnose & won't guess at it

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96 Chevy Cavalier Over Heating... Why?


Check coolant leak, some hose or radiator clogged or water pump go to bad.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 24, 2012 | Cars & Trucks

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We just replaced the radiator and the thermastat but the needle still goes to hot


replace the temperature sending unit. Its right there by the thermostat. You can get this at any auto parts store. just need an open end wrench to change it. they do go bad(found out the hard way several years back). I hope this helps you

Jan 13, 2011 | 1999 Plymouth Voyager

1 Answer

1996 chevy cavalier 2.4 liter engine is overheating. Water pump should be new, thermostat definitely new. Yesterday it started overheating with the heater on so replaced thermostat and today tried driving...


I am having the same problem. I have read that only a GM thermostat may work aftermarket thermostats dont work in some cases. If the top radiator hose is hot and the bottom is is dramatically cooler, then more than likely, the thermostate is not opening. The other part I dont know yet is how to purge the system of air. Trying to find that out now. Good luck.

Aug 30, 2010 | 1996 Chevrolet Cavalier

1 Answer

1999 chevy cavalier overheats


When the engine has cooled down check the coolant level and make sure it is full. If the coolant is in the operating range, I would suspect one of two problems, water pump or thermostat. With the engine on check to make sure the serpentine belt (should be only one belt for your engine) is turning the pulley for your water pump is rotating without restriction.
The thermostat will allow coolant flow when it reaches operating temperate. You may be able to squeeze the hose and feel the pressure of the water flow when the engine is heating up. Be careful of loose fitting clothes and your body stays away from moving parts of the engine. If you have no flow check the thermostat first and if the flow of coolant is not circulating when the engine warms up you will have to drain the coolant to remove the pump to check the operation and replace if necessary.
The thermostat is inexpensive but you may have to drain and refill the radiator. If the water will not flow though the radiator it will not cool the engine. Follow the large radiator hose to the engine block. The hose connects to a cast iron elbow with two bolts holding it to the block. Drain the radiator fluid, unbolt the two bolts and you should see the thermostat. Clean off the old gasket off the block and elbow then bolt the elbow and new thermostat with gasket to the block to the manufactures torque specs. I would buy some radiator flush if it has not been flushes for several years. Fill the radiator with the correct ratio of coolant and water replace the cap then run the engine for 15 minutes and look for leaks or listen for hissing from the leaks.

Jul 20, 2010 | 2001 Chevrolet Cavalier

1 Answer

1996 Chev Cavalier is over heating even after i changed the thermostat but the radiator isn't getting hot


Overheating can be a mystery-but I find that most of this problem is putting in the thermostat backwards, and/or not getting all the air out of hoses(upper and lower)-posible that water pump is shot, and or fan belt that drves pump is no good(unless driven by timing belt)-flush radiator to make sure that isn't clogged up...

Nov 08, 2009 | 1996 Chevrolet Cavalier

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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

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