Question about 2003 Chevrolet Impala

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2003 impala heater quits working sometimes and it overheats sometimes

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  • Chevrolet Master
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You should have it checked out right away, before the overheating does any damage to the engine. The whole coolant system should be inspected to find the cause. It may be a simple fix, maybe not. Are you adding coolant constantly? Do your radiator fans come on when it starts to overheat?
When it gets too hot, it may be boiling coolant away, and the low coolant level will cause the heater to stop putting out heat.

Posted on Feb 17, 2012

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Posted on Jan 02, 2017

  • 31 Answers

SOURCE: The car is 2003 Impala. Heater takes forever to

common impala problem friend of mine has a 2000 with the same problem just cover the grill so that cold air does not blow into the rad it should give you your heat back

Posted on Jan 12, 2010

  • 9 Answers

SOURCE: 2003 impala temp. gage goes high & low and no

could also be bad water pump and coolant is not circulating

Posted on Feb 25, 2010

  • 1024 Answers

SOURCE: How do I remove the dash board of a 2003 Impala to replace heater

you don't have to remove the dash to do this job

Posted on Mar 07, 2010

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1 Answer

2003 chevy impala that overheats


It could be a number of things:
a. Radiator partly plugged, check to see if water circulates with engine running and cap off.
b. Thermostat not opening
c. Heater plugged.
d. Anti-freeze low in radiator
You can feel the heater hoses and see if water is circulating or if hoses are hot water is going through them.

May 19, 2017 | Cars & Trucks

1 Answer

Cruise control stops working when heater/defroster fan quits working


one possibility either the cruise control is on the same circuit line with the heater/defroster fan and same fuse. try to solve the problem with the fan and you will notice the difference.

Sep 17, 2012 | 2000 Chevrolet Impala

1 Answer

My heater is not working except on one side in my 2007 impala driver side it blows warm passenger cold


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows intermittently and temp gauge goes erratic? http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html------------Heater blows cold? http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html
---------Car heater blowing warm, but not hot air? http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html-------- Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem? http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html---------

This will help.Thanks.

Feb 27, 2012 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

My heater on my 2003 impala stop working it just blowing out cold air is there anything i can do to fix it like changing a fuse


The first thing to check is the coolant level. The coolant can get low enough to affect the heater, but not overheat the engine. Check the coolant tank and the radiator itself, when the engine is cold.
If coolant full, then you may have trouble. may be an actuator under the dash, temp control, computer?

Apr 11, 2010 | 2003 Chevrolet Impala

2 Answers

2003 impala temp. gage goes high & low and no heat comes out of heater. it continues to cycle like this as I drive. When temp. gage goes up the heater quites.


Have u checked the coolant level? this type of problem useualy indicates the coolant is low, if it is low you need to have the engine cooling system tested for a leak, the coolant goes out somewhere.

Jan 29, 2010 | 2003 Chevrolet Impala

1 Answer

The car is 2003 Impala. Heater takes forever to


common impala problem friend of mine has a 2000 with the same problem just cover the grill so that cold air does not blow into the rad it should give you your heat back

Jan 12, 2010 | 2003 Chevrolet Impala

1 Answer

Noise when a/c or heater is on


If its a whining noise, it could be a belt slipping. If its more of a grinding noise, the blower motor could have a bad bearing or something has found its way into the area around the fan. You'd have to figure out where it is coming from. If it sounds like its coming from under the dash, its probably the blower motor.

Mar 18, 2009 | 2003 Chevrolet Impala

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