Rear Blend Door Rod Broken??

[mizzouguy]

Anyone else had this issue? Was investigating why it wouldn't switch from hot to cold and found this. I'm guessing I have to pull the whole box to like epoxy it back together or buy a replacement rod? Thanks

 

[mizzouguy]

I pulled out the rear heater core and could feel the blend door flopping around in there. No wonder it broke the whole door is held in place and actuated by that skinny little rod being attached to the side of the door. Terrible design.

 

[air360]

I realize this is about 8 years later lol - but do you remember what the end result was for fixing this? I have the exact same problem. The break even looks the same. Trying to figure out how to fix it.

 

[Miami-Dade]

@air360 Unfortunately the OP has not been here since 9/11/2020. You might want to consider making a new thread.

 

[Summajet]

I realize this is about 8 years later lol - but do you remember what the end result was for fixing this? I have the exact same problem. The break even looks the same. Trying to figure out how to fix it.

I just had this same issue. I went to local junk yard and pulled a complete rear housing assembly with the blend door. I also grabbed an extra blend door for the future. You can go to the local yard and remove a blend door from the rear ac housing assembly. It is easiest to reclaim the freon and remove the housing and undo the metal clips and slide apart.

 

[Gmg0547]

Is it possible to to get the door out and a new one in without taking full assembly apart? I have this same issue but dont have the means to work with any freon.

 

[DRLexpress]

Is it possible to to get the door out and a new one in without taking full assembly apart? I have this same issue but dont have the means to work with any freon.

Yes. Here is a thread I added a couple pics to when I did just that. Post #14.

Rear HVAC only blows hot air in '05 Tahoe

Our '05 Tahoe, with nice cold air coming through the front vents, has only hot air blowing out of the rear vents when the rear HVAC is turned on. We have had the rear actuator 9.280 0 motor (part # 89018375) replaced by Chevrolet/GMC dealers 4 times in 5 years, most recently in April, 2023...

www.tahoeyukonforum.com

 

[Gmg0547]

Yes. Here is a thread I added a couple pics to when I did just that. Post #14.

Rear HVAC only blows hot air in '05 Tahoe

Our '05 Tahoe, with nice cold air coming through the front vents, has only hot air blowing out of the rear vents when the rear HVAC is turned on. We have had the rear actuator 9.280 0 motor (part # 89018375) replaced by Chevrolet/GMC dealers 4 times in 5 years, most recently in April, 2023...

www.tahoeyukonforum.com

Thank you! I found this search for a few hours last week. Great info. I'm going to head to the junk yard and see what I can find. I like to take things apart there first to see how hard the task is and practice before messing anything up on mine.

 

[Gmg0547]

Picked up a new unit from the junk yard and cleaned it all up. All doors are In place and working. Hope to get it all torn apart and back together in a few days.

 

[mountie]

I'm jumping into this thread..... A few day ago, I started to hear a weird sound from the rear A/C... behind the panel....
It sounds like as if, a squirrel is tapping on the inside of the panel ???? ( Best example I can describe)...

The rear A/C works just fine....... But that "tapping sound"....... It's a bit annoying.....
Uh,...... anyone heard that noise??

 

[PG01]

Its the actuator for the blend door. Think plastic gears skipping.

 

[mountie]

Its the actuator for the blend door. Think plastic gears skipping.

Thanks... at least, it is easy to replace that actuator......
( But... I still am convinced, there's a squirrel in there......

 

[Gmg0547]

I'm jumping into this thread..... A few day ago, I started to hear a weird sound from the rear A/C... behind the panel....
It sounds like as if, a squirrel is tapping on the inside of the panel ???? ( Best example I can describe)...

The rear A/C works just fine....... But that "tapping sound"....... It's a bit annoying.....
Uh,...... anyone heard that noise??

I haven't had it in my Yukon but had that in a 2012 Impala three times. It would last for about two minutes each time the ignition was on then be fine until the next start up. Constant clicking. A new actuator fixed it. The rear AC actuators in the Yukon are 100x easier then changing in that Impala. Right out in the open.

 

[Gmg0547]

I did get the new box in and all the parts changed over. I could not get the back clip to the left and the screw underneath the box back in, but everything is sealed up pretty good. I did t feel any leaks.

Unfortunately, but not unexpected, the actuator is not good so ordered two new ones. A few more days and hopefully calling this one a success.

 

[mountie]

I haven't had it in my Yukon but had that in a 2012 Impala three times. It would last for about two minutes each time the ignition was on then be fine until the next start up. Constant clicking. A new actuator fixed it. The rear AC actuators in the Yukon are 100x easier then changing in that Impala. Right out in the open.

Thanks... I'll order the actuator......
And I'll let the squirrel out !!