Question about 2003 Chevrolet Impala

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How do you flush out the coolant system in a 2003 Implala 3400 V6

How do you flush out the coolant system in a 2003 Impala 3400 V6 and where is the thermosatat location for replacement

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The thermostat housing is located where the radiator hose connects to the engine. you'll need a flush kit to flush it out, it comes with instructions

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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How to replace coolant elbows on my 2004 CHEVROLET implala 3400 v6 motor?


That is a fun project. You will have to remove brackets and power steering pump to get to the elbows. Also, do not replace them with plastic (like the factory ones). Oreilly Auto parts has aluminum ones that replace them and they will never break again.

Mar 19, 2017 | Chevrolet Impala Cars & Trucks

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Whats normally wrong when you get no heat on a 2000 Pontiac grand am v6 3400


Water level too low in the radiator.
Air in the cooling system.
Blocked heater core.
Stuck or disconnected shut-off valves.
Sticking thermostat.

Sep 28, 2015 | 2000 Pontiac Grand Am SE

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2005 chevy impala runs hot while sitting still with or without a.c on. runs normal temp while driving. flushed radiator abd refilled. still the same thing


Two things I have run across in tyhe Implala is a bad water pump causing this or air in the system that causes the temp gauge to spike.

Apr 25, 2011 | 2005 Chevrolet Impala

1 Answer

I have a 2003 Impala Base 3400 V6...And my AC is making a sound. I was told its the clucth when you turn on the ac. Is that fixable at home or take it back in to the shop.


wuold suggest you replace complete assy clutch and comp this will be more expensive but will be better in the long run if a clutch goes bad usually form to much strain from compressure pressures if you do this at home you will still need to see a shop for vacume on the system before recharge

Feb 05, 2011 | 2003 Chevrolet Impala

1 Answer

I have a 2005 impala it blows cold air only.the thermostate is set at the hottest setting.i dont think its the heater core because it does not overheat and its not leaking antifreeze.what could it be?


It's more than likely the thermostat. If you have a 3800 V6 this is a very quick and easy fix. It you have a 3400 engine, this can be a pretty frustrating job. The bolts that hold the thermostat housing on are very difficult to get at on a 3400 engine. Either way, the thermostat itself is only $10-$12.

If your thermostat is stuck open the engine coolant will constantly circulate and won't warm up to normal operating temperature. Since it isn't warming up, you won't have any heat inside either.

Nov 06, 2010 | 2005 Chevrolet Impala

1 Answer

How much coolant goes in the radiator of s 2004 impala


Hello and welcome. here is the coolant cap. for your vehicle


Engine Cooling System
  • 3400 (Code E) V6
10.7 L
11.3 qts
  • 3800 (Code K) V6
11.0 L
11.7 qts
  • 3800 Supercharged (Code 1) V6
11.0 L
11.7 qts

Oct 09, 2010 | 2004 Chevrolet Impala

4 Answers

Seem to be losing oil in coolant of 2003 impala 3.4


hello your intake gasket is most likely leaking internally into your engine.pretty common problem.the plastic and silicon gaskets get weak over time.

Jan 26, 2009 | 2003 Chevrolet Impala

1 Answer

Drain coolant in 2003 Chevy Impala


hey, i just flushed out my coolant system a month ago. it is located (if you face the front of the car) on the bottom right. it will drain straight down to the ground and you have to unscrew it from the back of the radiator. it is covered by a pastic piece and sits right on the radiator frame. hope that helps some!!

Dec 28, 2008 | 2003 Chevrolet Impala

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