GMC Sierra Vent

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11 discussions

Out Of The Four Vents On The Dash Only Vent Number...

2020 GMC SIERRA
Heat On High On Both The Left And Right Thermostats. Out Of The 4 Vents On The Dash Only Vent #3 Is Blowing Hot Air. Vents 1, 2, And 4 Are...
4 ANSWERS
4 IMAGES
Asked by JAMESLAYMON

Bad Smell Coming Out Of Ac Vents.

2010 GMC SIERRA
Suddenly Developed A Stinky Smell Coming Out Of Ac Vents. Does Truck Have A Cabin Air Filter. Where Do I Find It
1 ANSWER
Asked by Khebert

The Middle Vent Will Start Blowing Hot Air When The A/...

2005 GMC SIERRA
When L Stop And Switch It Off And Start Back It Will Blow Cool Again. It’s Getting To Be Ongoing. Started About A Month Ago. I Changed The...
1 ANSWER
6 IMAGES
Asked by geronbell

No Air From The Vents?

2005 GMC SIERRA
Hello, This Is Two Problems That Do Not Happen Concurrently But I Suspect They May Be Interrelated So I Have Included Them Both. The Vehicle...
7 ANSWERS
3 IMAGES
Asked by dlfrymark

2005 GMC Sierra A/C Heater Vent Selector Accuator

2005 GMC SIERRA
The Air Flow Accuator That Allows Air To Discharge From The Vent Rather Than The Foot Area Wont Engage. I Use To Cycle Through The Denali...
4 ANSWERS
Asked by raystella

2003 GMC Sierra Air Works But Little To None In Cab

2003 GMC SIERRA
I Think It's A Vent Door That Is Stopping The Air From Comming In To The Cab. One Vent On Passangers Side Allows A Little Cold Air In. How...
1 ANSWER
Asked by murillolv

2001 GMC Sierra Air Vent Selection Problem

2001 GMC SIERRA
Hi, When I Select 'dash Only' Position On The Vent Selector Knob Something Behind The Dash Starts Clicking (about 2 Per Second). If I...
1 ANSWER
Asked by h1machiii

Truck Will Only Blow Air Out Of Vents.

1993 GMC SIERRA
If I Swap To Defrost It Still S Blows Out Of The Vents And The Same If I Switch It To Floor. I Have Looked At The Door Linkage And I Think...
7 ANSWERS
2 IMAGES
Asked by Livangric

Vent System Problem

1993 GMC SIERRA
I Have A 1993 Gmc 1500 And The Dampers On The Heating/ Ac System Make A Thumbing Sound When Starting Or Stopping Engine Or Switching Damper...
1 ANSWER
Asked by Johnr2610

1993 GMC Sierra Vent Door Popping Open And Closed

1993 GMC SIERRA
Noises Problem 1993 Gmc Sierra V8 Automatic 101k Miles A Vent Door Appears To Be Popping Open And Closed When Ever I Turn The Key On...
3 ANSWERS
Asked by jackchitty

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