Question about 2004 Chevrolet Impala

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How can i tell if my radiator is clogged and not holding pressure and losing fluid

Need to add coolant every three day. it has a new water pump changed all coolant lines changed thermostat and thermostat by pass tube don't no what to do?

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  • 24 Answers

Clogged radiator and leaking radiator are two different problems.
Either one, warm the car up first. Just turn it on and let idle until it comes to normal operating temperature. Once there, turn the car off and pop the hood. Carefully, touch across the radiator from one side to the other. If the radiator is clogged, one side will be cool to the touch. If one side is just cooler than the other, that is normal.
For leaks, just look around the radiator and its hoses for coolant leaks. Then look around the engine. Specifically the head(s), hoses, and freeze plugs. If no coolant is seen in those areas and your still losing coolant, you may have a blown headgasket and leaking coolant internal to the engine.

Posted on Nov 28, 2014

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Posted on Jan 02, 2017

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SOURCE: 2005 Impala Leaking Coolant and no heat

Hi lfortunato,

Try the radiator cap, if that doesn't work check your interior heater controls.... as you've already pressure tested, it sounds unlikely to be the pump..... If it was defective it would have leaked with that pressure. The thermostat may also cause the problem, if it's stuck open....

Regards Johngee10

Posted on Sep 28, 2008

  • 1 Answer

SOURCE: overheating

It could be your head gasket.

Posted on Feb 12, 2009

  • 16 Answers

SOURCE: Low coolant light keeps coming on

head gasket problem you need to get it to a good garage before you ruin the motor

Posted on Mar 14, 2009

  • 1 Answer

SOURCE: 99 cavalier overheats

I was just having the exact same problem with mine!! (my 1999 Chevrolet Cavalier)
It turned out that replacing all of the parts you mentioned, I just had an air bubble in my system and needed to run it with the cap off and fill it up with water as the engine ran and the air escaped.
Hope that helps you!

Posted on Jun 02, 2009

seanpwright
  • 2030 Answers

SOURCE: 2000 Chevy Malibu- check engine light

Have the DIS module checked and the coil pack for cyl 3. If either/both of those need replaced, have it done and have the codes cleared. Then see if it clears the others.

You may need a TPS (throttle position sensor) as well.

Posted on Sep 11, 2009

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Overheating


Doesn't sound like it ran hot enough or long enough to crack or warp the head. If there is a crack, the engine will continue to overheat. If a warped head, car would probably run rough, the affected cylinders would likely have little or no compression, there would be a noticeable miss, and overheating would continue.
Why the low coolant? It's a sealed system, so should never have to add coolant, other than a small loss from evaporation in the overflow tank. Monitor the level closely for the next few days. Note the level in the overflow tank to see if it drops over time. Leaks can be external anywhere in the coolant system-engine, radiator, hoses, heater core- or internal in the engine-head gasket failures can cause coolant in the cylinders (white smoke out the exhaust), or coolant in the oil (oil will have a milky brown look to it), or oil in the coolant (will see traces of oil in the radiator).
A couple of tests may be called for. A pressure test of the coolant system will check if the system holds pressure as it should-about 15 psi. If pressure does not hold, there is a leak somewhere. Water pumps usually leak through the weep hole when they fail. A radiator leak would show up when pressure is applied. If pressure does hold, check if you have a good radiator cap-the cap is what seals the system so pressure will maintain. Coolant under pressure raises it's boiling point by about 10 degrees, so is critical to keep the system under pressure.
If you suspect further problems-losing coolant or continued overheating-then have the chemical test done to check for exhaust gasses in the coolant. Basically a check if the head gasket is good, a simple test done at the radiator cap opening with a special fluid that changes color if hydrocarbons are present in the cooling system.
Or you could have a compression test of the cylinders to check the internal mechanical condition-not only tells you if head gasket is good, also tells you a lot about engine condition-even,. balanced, good compression in all cylinders translates into good power output-rings are good, valves are sealing good, all systems go.
The cooling system: water pump, thermostat, radiator, hoses, heater core and hoses, radiator cap, overflow tank, and the cooling fans and associated wiring. Make sure everything is working right and you'll be good to go.

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At first I was going to say the cooling system may have air in it, but when you said it dried up, I'm thinking it is leaking or being burned thru the engine as you drive.
You can burn alot of coolant before you see any smoke from the exhaust pipe.
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My 98 buick regal looses coolant I have recently flushed system out, replaced water pump & thermostat but my I keep loosing coolant dont see any leaks i will fill it up & in a couple of days its...


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Dec 15, 2010 | 1998 Cadillac DeVille

1 Answer

Is there special directions to put coolant in?


Welcome to FIxYa.com



How to Fill Coolant

If the coolant system has been flushed, first add 100 percent ethylene glycol in

the amount listed for the appropriate engine application. Then slowly add clean

water to the system until the level of the coolant mixture has reached the base-of

the radiator neck. Wait for two minutes and recheck the level of the coolant

mixture. add clean water if necessary to restore the coolant mixture level to the

base of the radiator neck

When refilling the engine cooling system, add three engine coolant supplement

sealant pellets, GM RN 3634621 or equivalent, and GM approved new Ethylene

Glycol Coolant DEX-COOL GM RN 9985809.

If the cooling system is being refilled ONLY (no flush), a 50 percent ethylene

glycol and 50 percent clean water mixture should be used to fill the system. Fill

the system until the level of the 50150 mixture has reached the base of the radiator

neck. Wait two minutes and recheck the level of the coolant mixture. add a 50/50

ethylene glycol water mixture as necessary to restore the coolant mixture level to

the base of the radiator neck.

Install the radiator cap making certain the arrows line up with the overflow tube.

Close all air bleeds. DO NOT over torque the air bleed valve. The air bleed valve is

made out of brass.

Fill the coolant reservoir with a 50 percent ethylene glycol and a 50 percent clean

water coolant mixture. The proper amount of this mixture to be installed into the

coolant reservoir is listed below:

Add 0.65 liters (0.68 quarts) of a 5010 mixture of ethylene glycol and clean water

to the coolant recovery reservoir.

CAUTION: The low coolant indicator lamp may come on after this procedure. After

operating the vehicle so that the engine heats up and cools down three times. if at

any time the "TEMP' warning indicator comes on. Immediate action is required.

Air bleed vent is at the thermostat house


Thank you for using FixYa.com

Regards, Lee Davidian

Nov 09, 2010 | 1997 Pontiac Grand Prix

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