Question about 2001 Chevrolet Cavalier

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How often should you change coolant in 2001 Chevy Cavalier? Should you only use Dex-Cool? My Car has 105,000 Miles on it now. I changed the coolant (Dex-Cool) about 2 or 3 years ago? Also my Check Gages Light comes on and then my temperature needle goes all the way up to hot then in a few minutes it goes back down? What should I do? Thank You!

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GM says to use Dex-cool Only. Why ? For few good reasons.
1.GM Dex-cool is made out of different ingredients,vs the "universal" coolant.
2. Who would know better ? An antifreeze company or the manufacture of the vehicle ? GM has been making vehicles for what ? 100 years .

3. Using the so called "universal" coolant will have adverse effects on your engine. Overheating and scale build-up in your engine and inside all of your hoses.

4. GM recommends usually every three years or 30,000 miles to have your cooling system flushed out and refilled.
(if you decide to have it professionally flushed out, it is a lot easier and cleaner, plus it is accurate.( SEARS charges $ 70.00.) You don't have to worry if you have the correct mixture of coolant and distilled water, you don't have to worry about where you are going to recycle the old antifreeze too.

5. This is also a good time to replace your thermostat and gasket also. ( Which will also cause over heating)

Posted on Mar 06, 2015

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Sounds like air in system, repair any leaks flush and add universal antifreeze, and to get air out without special equipment, fill best as possible, start engine drive around block. Let vehicle set until cold. Then check coolant level again, repeat until guage stays normal

Posted on Oct 14, 2010

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I have a 1997 Chevy C1500, 5.7L 350, 2 wd. It says to use Dex-cool, but I've heard a lot of problems about it. Can I use the regular green coolant or do I have to stick with orange dex cool?


You should speak with the Chevy Garage in your area for the very latest on the Dex-Cool issue. I wouldn't use the green stuff unless the Service Garage said it was OK. ... and I say this having heard the same stories you have heard and being a Chevy C2500 owner. Get the straight word straight from the horses mouth.

Thanks for your question @ FixYa.com

Aug 09, 2011 | 1997 Chevrolet C1500

1 Answer

What kind of coolant does a 99 chevy malibu use?


DEX-COOL Antifreeze/Coolant

Recommended and formulated for use in all vehicles that require DEX-COOL® coolant. Also works with all other cars and light duty trucks with aluminum radiators using extended life coolant. Has a concentrated blend of premium long-lasting inhibitors for extended performance. Protects against temperature extremes and the ravages of rust and corrosion for 5 years or 150,000 miles

Jul 19, 2011 | 2003 Chevrolet Malibu

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What kind of coolant should I put in a 1996 Chevy Cavalier


Notice: When adding coolant, use DEX-COOL® coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50 000 km (30,000 mi) or 24 months.

Oct 28, 2009 | 1996 Chevrolet Cavalier

2 Answers

Is it ok if i used Prestone 50/50 Prediluted Antifreeze/coolant for my 2001 chevy blazer other than dez cool? I did not mix the two i ve been using the Prestone since i had my blazer for about a year.


It's OK to use Prestone 50/50 Prediluted Antifreeze/coolant. But, it needs to be DEX COOL. There is a reason for it. The seals and the water pump in the cooling system are made to run with the DEX COOL. Anything like a non-compatible coolant will cause problems down the road. I wouldn't risk it. They do make 50/50 DEX COOL.

Sep 23, 2009 | 2001 Chevrolet Blazer

1 Answer

How do you change antfreeze


Dude you should have a drain plug on th bottom of the radiator. Remove and drain it out, run water through the system for a good ten minutes. Then reinstall drain plug and fill your cooling system with the correct antifreeze. You fill canister should be on the left side of the car and you should use GM Goodwrench DEX-COOL or Havoline DEX-COOL coolant.

Aug 11, 2009 | 2001 Oldsmobile Aurora

2 Answers

Radiator replacement


  1. Remove air cleaner and duct assembly.
  2. Drain the coolant.
    1. Remove the engine mount struts.
    2. Remove the cooling fans with the cooling fan shroud.
    3. Remove the radiator upper hose from the radiator.
    4. Remove the radiator lower hose from the radiator.
    5. Disconnect the transaxle oil cooler lines from the radiator.
    6. Remove the radiator brackets and bolts.
    7. Remove the radiator. Installation Procedure
    1. Install the radiator. Notice: Refer to Fastener Notice in Service Precautions.
      1. Install the radiator brackets and bolts.
        • Tighten the bolts to 24 Nm (18 ft. lbs.) .
      1. Connect the transaxle oil cooler lines to the radiator.
      2. Install the radiator upper hose to the radiator.
      3. Install the radiator lower hose to the radiator.
      4. Install the cooling fans with the cooling fan shroud.
      5. Install the engine mount struts. Notice: When adding coolant, it is important that you use GM Goodwrench DEX-COOL (R) or HAVOLINE (R) DEX-COOL (R) coolant. If Coolant other than DEX-COOL (R) or HAVOLINE (R) DEX-COOL (R) is added to the system the engine coolant will require change sooner; at 50,000 km (30,000 mi) or 24 months.
      6. Fill the cooling system.
      7. Install the air cleaner and duct assembly.

Jun 28, 2009 | 2000 Chevrolet Venture

1 Answer

Thermistate problem 1996 chevy cavoleir 2.2 4c 150 plus miles i put new thermistat in car had started with a fail safe thermista mt tem gage wack up the but in a by pass may my car run cold. got a regular...


it is common in cavaliers and malibus but i would check the radiator (maybe even flush it) it might help, and i would repace coolant with DEX-COOL.

Feb 20, 2009 | 1996 Chevrolet Cavalier

1 Answer

Re: Dex-Cool in 1999 Lumina


The major reason for using dex-cool is that antifreeze is often neglected as a service item. If neglected, it becomes acidic over time which is particularly important with the use of aluminium in most major components which are served by antifreeze. Acid causes etching and premature failure of gaskets and permanent damage to blocks, heads and especially the radiator and heater core, which are not vert thick to begin with.
Since "normal" antifreeze acidifies faster than does dex-cool, mixing both together causes a change in breakdown rate...the more "normal" coolant added, the faster it breaks down.
Both coolants do not react chemically with each other and therefore retain the same ability to prevent boil over and freezing.
In reality, normal coolant can be used with little or no effect on components, provided that you change it every year. (that's where the EPA gets involved) They do not want people dumping this stuff into the ground, so they push for extended service intervals. Since dex cool has a longer service life, that's what they want you to use.
As far as how you chasnge the coolant, it is always a good idea to flush system during a change, regardless of antifreeze type. This removes solid particles which can plug radiator core. Radiators are much smaller than their older counterparts. Loss of even a small portion of cooling area can cause overheating. Engine running temps are also higher than older vehicles (heat=power output). Therefore most systems have a much smaller margin of error than before. What I find though is that regular flushing can also be bad for the system as the chems eat away at metal components in order to clean. I recommend regualr or dex cool antifreeze systems be flushed with water only, once a year, but retaining what you removed and filtering it through a coffee filter, using it during the year to "top off" the system. To retain effectiveness of coolant, use a hydrometer to check concentration, adding new coolant to bring reading to proper protection level.Then, every three years, do a complete chem flush and change entire batch. This keeps your system clean and the epa happy!

Dec 17, 2008 | 1999 Chevrolet Lumina

1 Answer

Where is the radiator cap on 2001 Olds Alero?


if you dont see a radiator cap then the cap for your resevoir tank also serves as your radiator cap, thats where you would put your radiator cleaner and dex-cool in at. it is pressurized just like a normally radiator is with a normal radiator cap on it so dont open it when its hot! the resevoir cap should also have dex-cool stamped on it

Nov 22, 2008 | 2001 Oldsmobile Alero

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