Question about 2003 Chevrolet Impala

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My 2003 chevy impala keeps over heating i had someone to change the water pump and it still over heats

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Make sure the fan is coming on around 200 degrees.If it does not:check the fuse to see if its blown.look in owners manual under fuses (fan) locate fuse block and fuse (pull) and check

Posted on Jun 13, 2011

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My 2003 chevy impala is overheating


Run the car with hood open for a while and monitor the fan to confirm the fan does come on when required to, maybe you have a blown fan fuse

Jul 26, 2012 | 2003 Chevrolet Impala

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I have a 2000 chevy impala my heat doesn't work,


first it to verify the coolant flow. I suspect the heater core isn't flowing, you may need to take a garden hose and take both heater hoses off, and flush in both directions to clean the heater core. flush in both directions until you get clean water flow. I am assuming the coolant level is OK, and the water pump is pumping and the engine is getting warm enough.

Sep 15, 2011 | 2000 Chevrolet Impala

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2005 Chevy Impala...all I did was change the lower radiator hose because it was leaking. Now the car overheats, the upper hose is hot and the lower hose is warm. Does this model have vapor lock issues or...


the lower radiator hose is a return hose and there are no vapor lock issues. If your coolant level is full when you start your vehicle and when it heats up and the system pressurizes your coolant expands with heat and then that excess pressure will go through the overflow outlet to the reservoir and the reservoir has a relief opening near the top to relieve pressure or for excess fluid to come out. If the lower hose is just warm then your water pump may not be circulating properly (be sure to check belt for tension no more than 1/2 inch of play should be present). One messy way to test water pump would be to first drain coolant if it is good to reuse it, then remove the lower hose, open the radiator cap and put a water hose in it and turn on half way. Look at the volume of water coming out and have someone start the vehicle and idle at about 2000 rpm if that volume has not doubled your pump is bad

Apr 28, 2011 | 2005 Chevrolet Impala

2 Answers

My 2003 chevy impala continues to over heat. I've had the water pump replaced as well as the therm, radiator, radiator cap and bled several times. I asked my mechanic if the head gasket was blown and he...


Thanks for choosing FixYa and welcome to the site. I see that you have changed a lot. Make sure you have no leaks. Make sure it is not leaking inside the engine. Inspect the vehicle engine while it is started to check for leaks. Since you have changed all the other parts, what about your coolant sensor? Also, if your check engine light is on, you should take it to Autozone to be scanned for codes. They do it for free.

Apr 20, 2011 | 2003 Chevrolet Impala

1 Answer

When my car is cold it sounds like a tractor. I already had the gaskets changed and it over heats and I have to keep adding the 50/50 solution


check your water pump out it might still be working but not hard not enough to circulate and coolant to keep engine cool. Or If you had your engine flushed you might want to change the thermostat. hope this helps you out good luck

Mar 09, 2011 | 2003 Chevrolet Impala

1 Answer

My car keeps on over heating even after i got the head gasket changed, thermostat, complete tune up, water pump, temperture sensor changed, what could it be the problem that my car still reheating? its a...


How long do you drive before it heats up,How about the hyway only costant speed? or does it heat up in stop and go driveing?
Did you have both heads checked and both gaskets replaced?Does the cooling fan run and cycle on and off?
need more in formation !

Sep 11, 2010 | 2003 Chevrolet Impala

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