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#4559940 - 10/31/17 08:30 AM Traverse heat/defrost issues
MarkM66 Offline

Registered: 10/19/10
Posts: 1529
Loc: stl
'09 Traverse; have been having this problem intermittently. If I have the temp toward hot, it doesn't want to go back to cold, and vise versa. I have been getting it to change just by messing around with controls. Put blower on full blast, back and forth to hot/cold, etc. But this really should be fixed. From what I gather, it's a blend door actuator.

Now I'm having another issue: I can get heat out of the bottom vents, but not out the defrost vents. I believe this function is controlled by a different actuator.

Anyone else have this type of experience with one of these vehicles. Any tips on where to find these actuators? Going to try to look at it tonight.


#4559959 - 10/31/17 08:46 AM Re: Traverse heat/defrost issues [Re: MarkM66]
Iowegian Offline

Registered: 01/05/17
Posts: 273
Loc: Iowa
Might want to ask someone on the traverse forum?
I have great help on the Equinox forum.
2011 Equinox, 2.4l
2009 Sienna, 3.5l

#4559978 - 10/31/17 09:10 AM Re: Traverse heat/defrost issues [Re: MarkM66]
barkingspider Offline

Registered: 12/22/13
Posts: 1963
Loc: socal
You may need a new climate control panel and the definitely a new blend door actuator
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

#4561029 - 11/01/17 09:19 AM Re: Traverse heat/defrost issues [Re: MarkM66]
MarkM66 Offline

Registered: 10/19/10
Posts: 1529
Loc: stl
I did the HVAC resent and as of now everything is working properly. I pulled glove box, and saw both temp, and vent function actuators moving when they should be moving.

So hopefully they stay working...

GM reset: