Question about 1991 Chevrolet Caprice

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1991 chevy pick up air blend door - 1991 Chevrolet Caprice

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: the blend doors on a

i had the same problem on my 95 s10. there is most likely a vacuum line that came loose under the hood near the firewall on the driver side. that solved my problem.

Posted on Aug 11, 2008

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SOURCE: where is the blend door motor on a 1999 Chevy

Under dash, left end of heater box above gas peddel.

Posted on Jun 23, 2009

  • 1 Answer

SOURCE: Replace Blend door on 2004 Suburban

My problem is hot air on the drivers side, cold on Pass when the AC is on...2004 Sub

Posted on Nov 06, 2009

tecnovative
  • 360 Answers

SOURCE: on my 1991 chevy silverado 1500, I cannot get the

In the following diagram part 14 is the heat valve (door). I suggest that you attempt to manually actuate the valve by rotating part 13 the valve shaft by hand and see if heated air starts flowing. You may find when you examine part 13 that either the cable is detached, or by feel/sound that the shaft is not moving the valve (door) inside.

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Posted on Feb 06, 2011

  • 2428 Answers

SOURCE: The driver side only blows

Yes it is most likely a vacuum actuator there are more then one . They open and close little doors in the ducts to deriect air flow inside the ducts . They are not easy to get at in most cases however you should look at all vacuum lines going to and near the unit its controlled by engine vacuum . exhust all other opptions first before takeing the dash out . The problem could also be electrical check the control switches make sure the switch is not bad on one side . Spend some time looking and thinking before you start riping things apart. Good luck with it

Posted on Sep 18, 2011

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I have a 2003 chevy tahoe Lt the air works in front and with back controls but heat is only working in the front it blows with back controls but puts out no heat what causes this?


Your climate system can only cool or heat but not both. The temperature has a big effect on this. The cooling needs the compressor.

Apr 02, 2015 | 2003 Chevrolet Tahoe

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No heat on my toyota pickup 1991


CHECK THE BLEND DOORS ON INSIDE OF TRUCK UNDER THE DASH IFE THE BLEND DOOR IS STUCK IT WONT BLOW HOT AIR

Jan 18, 2013 | 1991 Toyota Pickup

2 Answers

Heater doesn't get hot on 96 chevy truck. Blows good, just cold. Replaced thermostat, flushed radiator. Any ideas?


Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Dec 06, 2012 | Cars & Trucks

1 Answer

Where is the blend door actuator located on 2006 Chevy Silverado?


My ac works, but my heater blows cold air. Is there any way I can replace actuator by going thru the glove compartment?

Nov 04, 2012 | 2001 Chevrolet Silverado

1 Answer

Ac & heater air flow not changing on dash & floor 1989 chevy pick up


Open the glove box AAAAAll the way. Slip the tabs on the back past the stops and make sure the blend door is operating properly.

Dec 19, 2010 | 1989 Chevrolet Silverado 2500

2 Answers

I have a 91 chevy truck that has started blowing


try to check the fluid level or change thermostat

Feb 25, 2010 | 1991 Chevrolet C1500

1 Answer

Heater Control Problem. What does it mean when


It meens that your blend door is stuck or not working.We had one where the mice had built a nest in the blend door.The arrows would go part way up flash then go back down.

Jan 13, 2010 | 1991 Chevrolet C1500

1 Answer

Air conditioning silverado


The problem is in the heater box. To be more specific, the blend door. Check blend door operation and blend door motor. Located right side under dash. Remove blend door motor, with vehicle running, move switch from panel to defog and see if blend door motor moves.

Jul 25, 2009 | 2005 Chevrolet Silverado

2 Answers

No heat


In order to access the door u mention which is called the air temp control blend door u must remove the entire dash assembly, most likely the door's actuator motor is defective, very common part that fails.

Feb 11, 2009 | 1991 Chevrolet Cavalier

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