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1999 gmc jimmy sle 4.3 4x4 blend door

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shot
User

Mar 23, 2013, 11:41 AM

Post #1 of 6 (11535 views)
1999 gmc jimmy sle 4.3 4x4 blend door Sign In
is the blend door actuator in back of the glove box


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Mar 23, 2013, 11:58 AM

Post #2 of 6 (11530 views)
Re: 1999 gmc jimmy sle 4.3 4x4 blend door Sign In
The temp door actuator is on the top right hand side of the heater vent module. You might be able to see it from behind the glove box, but you have to remove the dash to service it.







Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Mar 23, 2013, 11:59 AM)


shot
User

Mar 24, 2013, 3:59 PM

Post #3 of 6 (11477 views)
Re: 1999 gmc jimmy sle 4.3 4x4 blend door Sign In
then what is that moveing in back of the glove box when i turn the swith


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Mar 24, 2013, 4:06 PM

Post #4 of 6 (11472 views)
Re: 1999 gmc jimmy sle 4.3 4x4 blend door Sign In
Not sure what you mean.

What is the problem your having?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Mar 24, 2013, 4:06 PM)


shot
User

Apr 1, 2013, 7:28 AM

Post #5 of 6 (11419 views)
Re: 1999 gmc jimmy sle 4.3 4x4 blend door Sign In
when i turn the knob 2 def it works when i turn the knob 2 vent it works when i turn the knob 2 floor heat it goies 2 def no floor heat when i turn the knob 2 floor an def stays on def


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 1, 2013, 7:38 AM

Post #6 of 6 (11418 views)
Re: 1999 gmc jimmy sle 4.3 4x4 blend door Sign In
That's not a blend door problem. That's a mode door problem. The mode door actuator and linkage are on the left side of the HVAC housing, on the end.



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