Question about 2009 GMC Envoy

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A/C was charged on my 2009 GMC Envoy, but is still not blowing cold, any suggestions?

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  • GMC Master
  • 10,543 Answers

Check the pressures to see if there is a blockage in the orifice tube. If freon was only added to an empty system there is most likely air in the system. The blend door may not be changing completely from heat to cool also needs to be checked.

Posted on Jul 23, 2016

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Posted on Jan 02, 2017

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  • 101 Answers

SOURCE: 2006 GMC Envoy and the A/C fan wont work in number 5 position

replace the resistor 4 the blower motor that should slove that hope this helps

Posted on Mar 05, 2009

emissionwiz
  • 85206 Answers

SOURCE: Gmc Envoy

the system has what is called an electric temperature control blend door motor, this is the problem and must be replaced.

Posted on Apr 10, 2009

co7196
  • 3433 Answers

SOURCE: No cold air w/air conditioner on for a 2004 GMC Envoy.

Can't go by the pressure. Ck the large lone coming out of firewall, should be col. Small line at ac condensor in front of radiator should be hot.

Static pressure on high side probably 80psI Running 30 on the low side and 1130. will vary depending on oiutside temp Hope this hekoped

Posted on May 27, 2009

roniecon
  • 6927 Answers

SOURCE: I have 2003 gmc envoy my front ac control does not

Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.

Posted on Aug 29, 2009

  • 4 Answers

SOURCE: I have a 2002 GMC Envoy XL that blows cold air

the heat accuator could be bad. It is a motorized part that adjusts your temprature by allowing cold or warm air flow when you adjust the temprature at the knob you are turning

Posted on Jan 21, 2011

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1 Answer

What does a body control module controy 2004 gmc envoy


Look for the body control module under the drivers seat. It controls most of everything that happens in the car,

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I would check the freon in the system. Their are kits avail. at parts shops such as Advance etc. Follow the directions and "viola" things will be cool.

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heater core plugged. remove heater hoses, use tap water to flush out core..

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I have a 2003 GMC Envoy. AC blowing cold, just not out front vents


Yep, when you put the new battery in, it blew your actuators, PIA job, but can be done. You can TRY disconnecting battery again, but I'm betting your actuators just blew. Very common problem with our platform, poor design.

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Can I recharge the R134 myself in an 2002 GMC Envoy? It's blowing but not real cold.


yes you can you have to find the charging ports and connect the r134a can to the low side and fill from there

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I have a 2002 GMC Envoy XL that blows cold air from the rear heat vents. What could the cause be?


the heat accuator could be bad. It is a motorized part that adjusts your temprature by allowing cold or warm air flow when you adjust the temprature at the knob you are turning

Jan 21, 2011 | 2002 GMC Envoy

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I have a 2004 gmc envoy and it is blowing out nothing but cold air unless you put it to where it is blowing on you then only 2 vents will blow out hot air, changed the blower motor, thermostat, I even...


It sounds as if one or more of the door actuators is not moving the blend doors. Unfortunately, it will require some disassembly of the dash.

Oct 21, 2010 | 2004 GMC Envoy

1 Answer

Gmc Envoy


the system has what is called an electric temperature control blend door motor, this is the problem and must be replaced.

Apr 10, 2009 | 1999 GMC Jimmy

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