Question about 2004 Chevrolet Impala
Heating and air unit works occasionally. What could be the problem?
First check the Fluid level in the Radiator while engine is cool and add if necessary. If that is ok, then you probably have a bad circuit board on the Blower fan, or the blower itself, those are together under the passenger side dashboard. water leakage caused my wife's to go because the drains at the bottom of windshield were clogged with dirt and rotting leaves. Cost around $50-$100 if you do it yourself and get parts online cheaper!
Posted on Nov 29, 2012
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Posted on Jan 02, 2017
sounds like ur thermostat is sticking open its an easy repair if u wanna get an ideal how to do it u can get a service manual from the libruary
Posted on Jun 13, 2008
1. turn the ifnition to ACC or ON and turn the radio off
2. press and hold the DISP button on the radio for at least five seconds until SETTINGS is displayed
3. press the SEEK up or down arrow to scroll through the main menu
4. Scroll until TIRE MON appears on the display
5.press the PREV or NEXT button to enter the submenu. RESET will be displayed.
6. press the DISP button to reset. A chime will be heard to verify the new setting and DONE will be displayed for one second.
7.Once the monitor has been reset, scroll until EXIT appears on the display
8.Press the DISP button to exit programming. A chime will be heard to verify exit.
The system completes the calibration process during driving
This only works if you have a RDS system on the radio.
Posted on Aug 24, 2009
No it can not.
You have a couple of actuators that have gone out. The driver temp control. And the air inlet actuator.
And I don't fallow your statment of "my a/c blower went completely out. I tested the blower and it works fine".
If the blower went out, then what do you mean it works fine? Are you talking about air delivery or it just quits blowing all together?
Posted on Jul 01, 2009
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 somewhere...you 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!)
Posted on Sep 22, 2009
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