Question about 2000 Chevrolet Impala

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My impala has a coolant leak coming somewhere from the engine I already replaced the radiator. its a 2000 with a 3.4L engine what could be causing it?

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  • yadayada
    yadayada May 11, 2010

    water pump?


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The intake manifolds on those engines are known to leak antifreese too. common problem

Posted on Jun 03, 2009

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Check the water pump, all hoses on the engine, and thermostat housing, freeze plugs, and heater hoses

Posted on Apr 19, 2009

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There's a known problem with the factory intake manifold gasket,
I had the same problem ,I replaced the gasket ,and it fixed the problem

Posted on Apr 29, 2009

  • momandy617 Jul 12, 2011

    I have replace the intake gasket have a new radiator and a new water pump but have a leak still you can see it dripping under the car looks like on the back side of the motor can this be a freeze plug


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How can I get it to stop running hot?

How do you stop the Chev Impala running overheated?

You don't want to be running the engine in an overheat condition or you will cause very expensive engine damage many times what it will cost you to fix the current issue. It can be running hot for many reasons so have a competent professional mechanic check it over without delay and identify the cause(s). The causes can be many as outlined below:

1. You may have radiator coolant loss from an external leak source in the cooling system or a coolant leak from inside the engine that is resulting in a low coolant level.

2. You may have a partial blockage in the system from debris in the radiator or in the engine coolant passages that is retarding coolant flow through the cooling system.

3. The coolant thermostat may be sticking and not fully opening which will retard the very hot coolant flow from the engine to the radiator.

4. The water pump may be failing from badly corroded impeller blades but this is less likely on your 2008 but still a possibility.

5. You may have compression gasses from the engine leaking into the cooling system via a failed cylinder head gasket. In that event bubbles will show up in the coolant and the coolant will overheat.

6. Your radiator cap may be faulty and may be allowing coolant to flow into the overflow reservoir but not back again into the radiator during the cool down when the engine is off.

As mentioned, have it investigated and the cause identified without delay to avoid expensive engine damage.

Jan 24, 2016 | 2008 Chevrolet Impala

1 Answer

2000 Chevy impala low coolant light on needs jump start every morning and night squeeky

1. If you need to jump start the car the battery is failing and you need to replace it. Other wise you may have an excessive power drain while the car is sitting which is running down the battery sufficiently so it will not run the starter motor.

2. If you have a low coolant warning light then you need to check the coolant level in the radiator when the engine has cooled and top it up using only the correct spec coolant for the car as specified by GM. Coolant level in the radiator needs to be checked very regularly in any event as does engine oil and power steering fluid level. If the coolant is low your engine will overheat and will likely cause very expensive engine damage many times what it will cost to fix the cause of the low coolant. You will have an external leak(such as a leaking radiator or leaking hose or failed radiator cap etc etc ) or an internal coolant leak that is causing the loss of coolant. Whatever the cause, and you need to have it investigated and repaired straight away if the cooling system continues to lose coolant.

Dec 16, 2015 | Cars & Trucks

1 Answer

I have a 2011 Chevrolet impala and my coolant in the reservoir is evaporating within a months time of being filled. What could be the problem? Water pump?

Start with a "professional" coolant system flush. Sounds like there's a blockage somewhere. If you're putting coolant in the resevoir and not directly in the radiator, and it's disapearing, check the radiator. If radiator is full it's a blockage, if it's low/empty there's a leak.

Feb 27, 2015 | 2011 Chevrolet Impala

1 Answer

In 2005 chevy impala the heater only gets warm sometimes. Other times it blows cold air. I put fresh antifreeze in. And there is no water on the floor of the car

The adding adding coolant means you have a leak somewhere, and low coolant level will cause this. How often do you check the fluid levels? Check for leaking hoses, weak radiator or expansion tank cap, leak at the water pump, and leaks around the radiator.

Nov 13, 2014 | Cars & Trucks

1 Answer

Radiator toyota camry 1998 v6

You may have

- a coolant leak somewhere, comes out when the engine heats up and pressurises the radiator. Camrys do develop a crack in the plastic radiator top tank, which can be hard to see if on a seam. Another place which leaks is under the intake manifold, which is not visible. There is a test, called a "leak-down" test

- thermostat stuck closed, preventing coolant circulation

- a leak through a head gasket from a combustion chamber to the coolant jacket. This will quickly cause overheating, and sometimes causes white bubbles in the radiator neck, like dry ice. There is a test kit available for gases in the coolant.

Feb 04, 2012 | 1998 Toyota Camry

1 Answer

I am losing coolant on my car and I see that the coolant from the reservoir is leaking from a little black rubber hose that"s connected to the firewall.

The black rubber hose may be bad and needs replaced. This hose should connect to the radiator at the radiator cap and run along the firewall to the coolant reservoir. Also the coolant reservoir might be cracked and leaking on to the rubber hose, if this is the cause just replace the coolant reservoir which may be a dealer only item, check at you local auto parts store and they will tell you if it is a dealer only item. If you have to replace the coolant reservoir, make sure the car has not been run and the coolant at the radiator is cool, cause when the engine is hot the hot coolant runs into the coolant reservoir till it cools and returns to the radiator when engine is turned off and cools.

Sep 06, 2011 | 1995 Chevrolet Impala

2 Answers

I have a 2000 impala i had to put in a half gallon of water in radiator, i think the thromostate is ok because there is black tar looking stuff in the radiator, do you no what that stuff is? and should i...

the black tar residue is bascially from either the transmission cooling tank which is part of the radiator has a leak inside the radiator and letting trans fluis leak into the system or/ you have a defective/;leakinf head gasket on the engine and yes! you should get that checked asap cause it can cause extensive damage in the long run

Jan 22, 2010 | 2002 Chevrolet Impala

4 Answers

2004 Chevy Impala no heat from defrost or heater

No heat is often a symptom of low coolant, usually followed by overheat. There are other controls that regulate heater, but right now, re-fill the cooling system with engine running and heater on high, then check for leaks (coolant you lost went need to determine where) Low coolant will damage your engine. Take care of that first, then if heater still does not work, then do diagnosis on that. (if you loose the engine heat won't matter, will it!)

Sep 22, 2009 | 2004 Chevrolet Impala

2 Answers

Strange Coolant leak

this most likely means that you have a leak in a hose somewhere between your engine and the radiator, when you open up the rad cap it lets the leak breath causing it to gush out, go to napa and buy a replacement radiator hose it shouldn't cost but a few dollars and that should fix your problem. 

Jul 13, 2009 | 1992 Acura Integra Hatchback

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