Question about Pontiac Aztek

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I have ac/heater in my aztec, but it has very little flow, not as strong as it used to be,, i think the vents are blocked from outside with leaves and debris,, any solutions???

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  • 155 Answers

Check your cabin air filter - its probably clogged. Look in the owner's manual for the location. Access is usually under the hood near the windshield, passenger side.

Posted on Nov 26, 2012


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Posted on Jan 02, 2017

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SOURCE: Low air flow from AC/Heater fan on '98 Chev K2500

check the cabin air filter behind the glove box, if it is ok or is not equipped (was optional) then the problem is a clogged ac evaporator core.

Posted on Jun 23, 2009

  • 1 Answer

SOURCE: air conditioner blower

I found the vac lin broke under the battery

Posted on Dec 04, 2008

  • 146 Answers

SOURCE: 1998 Mustang - AC blows only through Defrost vents

You probably have a vacuum leak on the passenger side. its a small plastic hose some times they come unpluged from the engine. or brake.

Posted on Jan 05, 2009

  • 290 Answers


This is how I flush the heater core...go to the garden department at Wal-Mart and get a 5/8 - 3/4" female garden hose connector similar to my picture...remove the upper heater core hose and connect your garden hose to the connector then to the heater hose and secure with a hose clamp. Remove the lower heaer core hose and point it to the gound, then turn on your faucet and run clean water thru it... b67bfc8.jpg

Posted on Mar 29, 2009

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SOURCE: When I turn on the AC a moggy smell blows out of the vents.

mould in evaporator case?
some vehicles have a pollen filter(air conditioning air intake filter)not sure if your vehicle has but check if it has, may need replacing.
check plenum chamber(area under front windscreen)for leaves and debris.
then can try and spray mould killing pressure can(glen 20)air freshner in through intake air places under front windscreen with windows down air cond on full fan speed on fresh air while engine running or not depending on how long and how bad smell is.
may also pay to check for blocked air cond. drain tube, is it dripping water when running?
service centres or hire places have also got fragrance and mould killing machines you can use inside vehicle under similar conditions as above(ozoneator)

Posted on Jul 07, 2009

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Water is leaking from the floor vents what could be the proble?

Check your heater radiator. It is usually mounted behind/near the glove box areas on most cars. It is like a small version of the large radiator that is mounted on the front of your vehicle under the hood. Antifreeze and coolant (does it smell a little like antifreeze?) flows thru your front radiator, thru the block and hoses, and cycles thru the radiator for your heating system. If the radiator is leaking, often it cycles thru the vents on the interior.
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Sounds like your heater core needs to be replaced (does it appear or smell like it has anti freeze in it?) other wise I'd say your the ac drain hole hole is clogged with leaves or bug nest etc.... these are the things I can think of. the ac drain hole can be un pluged by an airhose or even a coat hanger. it is located somewhere along the firewall area google your car info for the location of it. if it has anti freeze with it i'd say its your heater core :( depending on car type etc will tell the cost and replacement of... though they can be by passed but then you will not have a heater. good luck!

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Fog on the windows is caused by moisture in the air condensing on the cold glass. You probably knew that. So the solution to your problem is to reduce the humidity in the car or warm the glass above the dewpoint. Running the AC will help because any moisture in the air will condense on the much colder evaporator coils before it gets to the windows, but as soon as you turn the AC off that moisture goes right back into the air. Fresh air from outside will help if the moisture level in the outside air is lower, which it ussually is in the winter. The only sure solution is to warm the glass.
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