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Rear heater


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5 replies to this topic

#1 2004Yukon

2004Yukon

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Posted 31 December 2006 - 08:45 PM

Hello all, I've been reading the forums and what a wealth of info. I have a quick question, my rear heat does not work at all in my Yukon. I have used the front controls, the rear controls and still the air is ice cold. I have looked under the passenger rear wheel well and the heater lines are indeed hot.
I have heard others talk of an actuator used to control the hot/cold air. I have an appt. at the dealer on Wed. and am not sure something like this would be covered under the extended warr.
If not, does anyone know about how much this part costs?
Thanks in advance,
Jay
2004 GMC Yukon, Summitt White, XM, Leather

#2 Jacqson

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Posted 31 December 2006 - 11:41 PM

Hello all, I've been reading the forums and what a wealth of info.  I have a quick question, my rear heat does not work at all in my Yukon.  I have used the front controls, the rear controls and still the air is ice cold.  I have looked under the passenger rear wheel well and the heater lines are indeed hot.
I have heard others talk of an actuator used to control the hot/cold air.  I have an appt. at the dealer on Wed. and am not sure something like this would be covered under the extended warr. 
If not, does anyone know about how much this part costs?
Thanks in advance,
Jay
2004 GMC Yukon, Summitt White, XM, Leather

<{POST_SNAPBACK}>


If you have the GM Bumper to Bumper warranty and it is still active there is no reason it shouldn't be covered. The only way they could possibly refuse is if you have been tampering with it and it broke. That warranty covers any defects for the specifed time of the warranty
2011 Chevy Silverado 3500HD CCSB Dmax/Allison Taupe Gray Metallic.


For Sale-My loaded up 2002 2500 Suburban

#3 rdraidr

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Posted 13 January 2007 - 09:26 PM

Hello all, I've been reading the forums and what a wealth of info.  I have a quick question, my rear heat does not work at all in my Yukon.  I have used the front controls, the rear controls and still the air is ice cold.  I have looked under the passenger rear wheel well and the heater lines are indeed hot.
I have heard others talk of an actuator used to control the hot/cold air.  I have an appt. at the dealer on Wed. and am not sure something like this would be covered under the extended warr. 
If not, does anyone know about how much this part costs?
Thanks in advance,
Jay
2004 GMC Yukon, Summitt White, XM, Leather

<{POST_SNAPBACK}>



So, what did you learn? My Yukon has the same problem - much appreciate the info.

#4 2004Yukon

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Posted 14 January 2007 - 01:19 AM

Hello all, I've been reading the forums and what a wealth of info.  I have a quick question, my rear heat does not work at all in my Yukon.  I have used the front controls, the rear controls and still the air is ice cold.  I have looked under the passenger rear wheel well and the heater lines are indeed hot.
I have heard others talk of an actuator used to control the hot/cold air.  I have an appt. at the dealer on Wed. and am not sure something like this would be covered under the extended warr. 
If not, does anyone know about how much this part costs?
Thanks in advance,
Jay
2004 GMC Yukon, Summitt White, XM, Leather

<{POST_SNAPBACK}>



So, what did you learn? My Yukon has the same problem - much appreciate the info.

<{POST_SNAPBACK}>

It ended up being the actuator for the rear HVAC system. I was told that the actuator went past 90 degrees and got bound up. This is why it would not switch from cold/hot. Replaced and all is well again.

#5 rdraidr

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Posted 14 January 2007 - 08:35 AM

So, the old, "went past 90 and got bound up", trick! That's what I'll start with. Thanks :seeya:

#6 rdraidr

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Posted 15 January 2007 - 01:56 PM

So, the old, "went past 90 and got bound up", trick!  That's what I'll start with.  Thanks :D

<{POST_SNAPBACK}>



Just a follow-up if anyone else is interested. The actuator part no. is 16164972
My local GM dealer wanted $129 part was in stock. Car Quest wanted $109 part would be delivered in one day. RockAuto.com had a sub for $30 - delivery for $21, next day - OK, I'm trying the $50 solution.

It's not a tough job to replace, just a lot of plastic to remove.

Good Luck - :crackup: