Question about Chevrolet Cars & Trucks
This is a long shot but you could check the fuse for the heater. The fans may work on a separate fuse which is why there no heat.
Posted on Nov 07, 2012
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Posted on Jan 02, 2017
It is not fixed by an aerosol or scent additive to the air in the cabin. It will only mask the smell for a period of time.
Your cause is the air filter for the A/C system. You can buy a new one at local auto stores.
To replace it, you will need to open your hood. On the passenger side of the car, look just under the windshield at the trim panel under the wipers. You will see several tabs holding down this particular side of the trim piece. Using a phillips head screwdriver, gently rotate the screw pieces out of the tab holder (if this doesn't get it, you'll need to use a small flat head in unison to apply pressure to the screw to come out). There are 3. Once these are removes, gently pull the hood rubber gasket seal up and place out of the way. Note: you won't need to remove it from the car, just enough to clear the trim piece. Remove the trim and you will see a filter. Remove the filter and replace. Installation of trim is reverse.
That will fix your mildew smell from the vents. This WILL NOT fix a mildew smell if caused by interior mildew.
Note: The directions to change this filter are also found in your Owner's Manual if you have it. It is a simple procedure and should take about 15 minutes if you are taking your time.
Thanks for the inquiry.
Posted on Oct 18, 2009
If it will not switch to any different positions,and you did not have this problem prior to repair.Check for a leaking vacuum line to the control unit.The line should run through the firewall to the control unit.Good Luck!!!
Posted on Aug 04, 2008
i was a GM mechanic for many years, the problem you are having is one of your mode door actuators has gone bad, most of the time it is the actuator on the drivers side that causes the problems, i have seen this many times, sometimes you can take it to the dealer and they can hook the computer up to it and recalibrate it but most times it has to be replaced , it is located under the dash in the area above your gas pedal.
Posted on Nov 10, 2008
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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