Question about 1995 GMC Yukon

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No hot air coming out of dash, fan works - 1995 GMC Yukon

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Need to replace tha ac door actuator plastic gears in side break and the ac or heat wont switch with the controls

Posted on Dec 05, 2012

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Posted on Jan 02, 2017

  • 958 Answers

SOURCE: rear air conditioner

could be an electrical problem.

the solenoid for the rear evaporator is not being switch on to let refrigerant flow to the back evaporator .

another problem could be if you do not have a solenoid, then maybe the rear expansion valve is clogged that is why no refrigerant flow to the back.

tnx 4 using fixya,

drcool

Posted on Oct 08, 2008

  • 192 Answers

SOURCE: air conditioner blows hot air from dash

On most cars when you push a button or slide a lever to change your choice of location where you want the air to blow out louvers move inside the dash to redirect the air to your chosen location. When you switch from heat to AC other louvers move. These louvers are often powered by vacuum lines running from the engine. If one of these louvers is stuck or if you have a vacuum leak in one of the lines it may be causing your problem.

Posted on May 12, 2009

  • 105 Answers

SOURCE: 06 Chevy Suburban Dash fan stopped working

this is because you have a bad switch which has gone bad and you need to replace it or either try to bypass it through another circuit.

Posted on Jul 26, 2009

  • 56 Answers

SOURCE: THE SWITCH WORKS AND THE FAN WORKS BUT NO HOT AIR

bad heater control valve may be the case. The heater control valve controls the flow of coolant to the heater core. If it dont open then no coolant can get to the core..Good Luck.

Posted on Dec 07, 2009

  • 752 Answers

SOURCE: my 09 HHR a/c quit

That hissing sound is the vacuum line knocked off the servo that shuts off the heater core so the AC will work more effeciently. Your getting warmer.

Posted on May 11, 2011

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07 Saturn Aura XR The fan on the climate control is not working When I turn the temp up hot air slowly comes out of which vent is selected and cold air when i turn it down But the fan will not work


Your Blower Control Module/ Blower resistor is probably bad. It controls fan speeds. The blower motor itself could be bad, I doubt it unless it was making noise previously. The blower resistor is under the passenger side dash.

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My 99 chevrolet monte carlo z34 heat is not that hot and air works for defrost but not dash vents?


check radiator fluid level it take hot radiator fluid to pass through the heater core to produce the heat in your car VIA the fan. also check or replace your thermostat it could be bad and stuck in an open position thus radiator fluid not getting hot, no hot fluid no hot air
the other problem sounds like a duct hose under you dash has come loose locate and reattach.

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My 09 HHR a/c quit working and is blowing hot air even when the fan is off. I hear a click coming from the dash right before it blows hot air. and today I noticed a hissing sound


That hissing sound is the vacuum line knocked off the servo that shuts off the heater core so the AC will work more effeciently. Your getting warmer.

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1995 Xj cherokee 4.00L airconditioning comes on with heater fan


It sounds like you blend door is broken. It is about an 8 hour job to tear the dash apart and replace the actuators that control blending of hot and cold air under your dash.

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Fan motor does not blow hot or cold air when turned on


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1992 Ford Taurus with a 3.8l V6 the cooling fan


The Taurus has Two temp sensors. One for the dash, which is isolated, then one for the PCM, it also controls when the fan relay should actuate. Its a 2 wire sensor, just above the thermostat. If you remove the harness from that sensor, and the cooling fan comes on, at any temp, (should take 5- 10 seconds) then thats your fault.

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This car has the automatic temperature control system


The hot/cold switch is probably bad.you have a blend door box that opens to let the cold air in and closes to let the hot air in.From what you are saying this part is no responding to the switch movement.Make sure power is at the switch and power should go through the switch when put on cold air this moves the blend door.Some times the blend door goes bad and has to be replaced its under the dash on the right side.

Aug 10, 2009 | 1999 Mercury Grand Marquis

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06 Chevy Suburban Dash fan stopped working


this is because you have a bad switch which has gone bad and you need to replace it or either try to bypass it through another circuit.

Jul 25, 2009 | 2006 Chevrolet Suburban

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Heater blower not working


It sounds like your cabin air filter has stopped up common problem on these cars. You have to remove the glovebox to get to it. If this filter stops up, your fan will be running on high but hardly anything will come out of the vents.

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