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1) not able to adjust the heater temperatures
2) sounds coming from behind the radio area of the dash when trying to change temps - from a clicking to a thumping like an angry rabbit
See "Related Questions" below for more
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∙ 14y ago
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Y does the rear ac make a poping sound when its on?
rear blend door motor is bad rear blend door actuator motor is bad
Chevy blazer 1999 temperature blend door?
The blend door actuator can go bad. Big job to replace it. Dash assembly must be removed to gain access to it.
Why does AC of a 1999 Buick century with dual controls blow warm on drivers side and cold on passenger side?
Bad "blend door" actuator or stuck blend door on the driver's side.
Weak heat ford?
Could be, low on coolant, bad thermostat, plugged heater core, faulty temp blend door actuator,
How do you know if you have a bad blend door actuator or a bad control?
You can try replacing the batteries to see if that helps. If not you may need to get a replacement or see if the power it working properly.
What causes bad blend door operation on a 95 aurora cold on passenger side but warm on driver side?
Cannot speak specifically to a Oldsmobile but, on a Dodge product of same vintage it would be low freon. Either that, or it could be a bad control head, or a bad blend door actuator.
How do you repair the blend door motor on a 1998 Ford Expedition?
Generally the problem is with a broken blend door, not a bad actuator motor. A solution is available at www.heatertreater.net and additional information can be found by checking my other posts on this forum. cgallen
What is a knocking noise in the right rear interior panel on a 2005 ford expedition?
rear a/c blend door actuator bad [broken plastic gear]
How do you check blend door on heater on 97 Ford Taurus?
Start with removing the actuator motor. (See "Related Questions" below)With the actuator out, operate the temperature adjusting control and watch the motor to see if it is moving.NOTE: Movement alone does not guarantee that the gear teeth inside are not broken.Next, using a small screw-driver, or similar, try and operate the blend door itself. It should move freely and easily. Any binding is a bad bad problem.Hopefully your problem will be the actuator and not the door!See "Related Questions" below for more
If it's blowing air but only COLD air not hot air?
You could possibly have a bad heater core. I would bring it in a shop and have it checked out or your actuator for your blend door has gone bad.
Why is heat very faint on 99 4.3l v6 blazer?
Assuming the blower motor is working, it could be a bad thermostat, plugged heater core or a bad temp blend door actuator.
When thermostat goes bad does it cause a clicking noise when you turn nob from cold to hot with out turning air on?
No. That sounds like the temp blend door actuator is on its way out.
