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No heat from heater

This has happened before just after the radio was installed the dealer fixed it not sure what the problem was

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Well it could be a blend door actuator, heater core pluged up, blend door broke or jammed, it can also be your climate control head.

Posted on Sep 30, 2009


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The heater on our 2001 Grand Vitara 2.0 Diesel has stopped working. it only blows cold air. How can I fix this?

on my 2001 vitara the heater core was no good, replacing it was an expensive pain in the *** so i traded it in. i did however disconnect the heater hoses and blast a garden hose back and forth
through the core several times which gave some detectable heat. So i am sure that my core was bad. I have since read however that there is a common problem in that the cool air blender flap gets stuck open and that a dealer can fix this in a jiffy. before attempting a replacement i would call a dealer and drop by to make sure that your blender flap is not awry. you can buy a repair manual CD on ebay for about 10 bucks.

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The heater went in my 2003 ford windstar, so I replaced the thermastat. Before all this there was a clacking sound when you turned the heater off down around the controller. Now the thermastat is replaed...

It's your blend door actuator which is sticking. Probably the plastic teeth on the cog inside are worn. It is white plastic and is located behind your radio. It controls the opening of your blend door from A/C (closed) to heat (open). Buy a Ford Windstar radio removal tool from any parts store (less than $10.00) remove the radio. You will then have access to the actuator. At the bottom right you will see a little plastic wheel with an indented square. Find a long flat head screwdriver that wil fit diagonally into the square and turn it clockwise slowly. The blend door should pop open and heat will enter the cabin. Finally when you have the time replace the unit. They sell for about $75.00 at the dealer or cheaper elsewhere. Good luck. This worked for me.

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Buzzing Noise in Radio of 2008 Navigator

You are under warranty. Use the Customer Service Phone# and question why this is not fixed.

It sounds like it can be alternator or body grounded antenna problem. You should also check and see if the problem starts with the heater coming on.

The heater would start after the car heats up(10 minutes) or the Alternator would have finished charging and switched into idle mode( about 10 minutes).

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2000 VW Beetle Overheating, Leaking Coolant, No Heat in Car

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Only have cold air blowing from front heater of van

The clicking noise is the door blend actuator. It is located in the dash panel behind the radio. It is about the size of a pack of cigarettes.

I priced this job at a dealer and it came in for around $300!

This is a really simple repair, a great choice for the do-it-yourselfer.
Here are the steps/procedures for doing this repair yourself in about 30 minutes:

  • Tools to do the job:
    • Ford radio removal tools
    • 5/16 nut-driver
    • Flashlight
    • Small hands or band-aids

  • Remove the radio -

    • Insert the U-shaped 'handles' into the vertical pair of holes on each side of the front of the radio until you feel it hit an indent / click .

    • With both tools inserted, push outward on the top of the tools while pulling the radio out & away from the dash.

    • Disconnect the 2 wire harness connectors & the antenna.

  • (Optional) Remove A/C & Radio control dash panel
  • Removing the A/C & Radio control dash panel gives you additional access to the actuator to help with removal and installation. This is not a difficult option.

  • Loosen and remove two screws revealed just above radio when radio was removed.

  • Loosen and remove two screws inside (one on each side) the drink holder & ash tray drawer.

  • Gently pull the loosened section of the dash panel forward.

  • Do not remove connectors for A/C control panel. You'll need the A/C control panel active to align the driver post of the actuator with the blend door drive hole.

  • You might want a helper to hold the panel off to the right while you work.

  • Reassembly is exactly reverse.

  • Remove / replace the blend door actuator -

    • Looking in through the radio opening, locate the actuator module - a white plastic unit about the size of a pack of cigarettes.

    • Use the nut-driver to remove the three 5/16ths mounting screws.

    • Disconnect the wiring harness located on the side

    • Reverse steps to re-install
    • In order to line up the shaft I had to crank the car and move the temp selector. Note: You do not have to turn on the A/C system for the temp selector to control the actuator, but you must have the actuator control cable re-connected.
  • Reassemble the dash panel.
  • Reinstall the radio (watch that no cables bind during the reinstallation.
  • What the actuator is / does:
  • Inside this unit is a circuit board, motor and small plastic round gears. The gears then rotate the actuator, which in turn opens and closes the damper allowing the air to pass through the heater core.

  • What happens is some of the little teeth break off creating a gap on the gear wheel. This gap prevents the gears from driving the actuator shaft.

  • The unit may be known as a heater damper module by the dealer. Should cost around $60-$75. (One reader acquired the actuator for $34 from O'Reilly.)
  • This unit was purchased from Advanced Auto for $ 45 and the flat rate is .4 hours. I did mine in around thirty minutes with the hardest part being getting the radio out ( it seemed stuck ).

Nov 25, 2008 | 2003 Ford Windstar

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Cd player wont read cds

change the fuse that control the radio and poof that was it.

Nov 24, 2008 | 2004 Volkswagen Jetta

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My heat isn't working. I also can't feel the heat coming off the motor even when the heat is not on. What could it possibly be?

it could either be your theromast or your heater core....does the blower blow out air???cold or warm??

Nov 12, 2008 | Mitsubishi Galant Cars & Trucks

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Cabin heat

Sure the heater core may be blocked ... do you get hot water when the engine is running? do you see the hoses that go from the radiator to the heater?

check those first !

You have to have a thermostat in toyotas for the water to get hot!

Is there a thermostat

Does the fan Blow

Answer a few of these and we might be able to help

Oct 29, 2008 | 2003 Toyota Celica

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Heater problem

the Heater Blend Door Actuator is broken. Cost 40 dollars to fix if you do it yourself. I just fixed mine this morning. You need to remove the bottom panel under the cup holders, Four srews two on each side. it is located up behind the radio. no you do not need to remove the radio.

Oct 20, 2008 | 2001 Ford Windstar

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Odor coming from heat only the heat heater core has been fixed

You most likely have residual coolant coating the inside of the heater AC ducts, give it time it should vaporize and go away, also are you sure the leak has been fixed, it is easy to damage a heater core when installing new one, they are very fragile.

Aug 04, 2008 | Mitsubishi Diamante Cars & Trucks

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