hot air

[popsvn]

need help? have 2004 gmc Yukon denali, sometimes air will blow hot on one side. turning engine off and restarting corrects the problem. has happened three times, any ideas?

[dsr611]

blend door actuator

[txab]

+1

[Gurrzt]

Bad vacuum proportionate valve.

[Phillip123]

Many things could cause this, you should probably as a real professional.

 

• Blocked Condenser
• Broken Condenser
• Low refrigerant
• Broken cooling fans

These are just some of the possible reasons.

[txab]

Bad vacuum proportionate valve.

 

 

No vacuum on 2004. Electric blend doors

[Chris]

Yea. Had this issue. Blend door actuators are done. About a $1400 job at the dealer. The dash has to be pulled for one. I had mine taken care of in 2012.