HOME
ASK A QUESTION
REPAIR GUIDES
BECOME A MEMBER
LOG IN
Login with Facebook
OR
Remember me
NOT A MEMBER?
FORGOT PASSWORD?
CONTACT US
PRIVACY POLICY
TERMS AND CONDITIONS
☰
Home
GMC
All
Climate Control
Defroster
GMC DEFROSTER
Select Make
All Makes
Acura
Alfa Romeo
AMC
Aston Martin
Audi
Bentley
BMW
Buick
Cadillac
Chevrolet
Chrysler
Citroen
Daewoo
Daihatsu
Datsun
Dodge
Eagle
Ferrari
Fiat
Fisker
Ford
Geo
GMC
Holden
Honda
Hummer
Hyundai
Infiniti
International
Isuzu
Jaguar
Jeep
Kia
Lancia
Land Rover
Lexus
Lincoln
Mazda
Mercedes Benz
Mercury
Merkur
MG
Mini
Mitsubishi
Nissan
Oldsmobile
Opel
Peugeot
Plymouth
Pontiac
Porsche
Proton
Ram
Renault
Rolls Royce
Rover
SAAB
Saturn
Scion
SEAT
Skoda
Smart
Subaru
Suzuki
Tesla
Toyota
Triumph
Vauxhall
Volkswagen
Volvo
Select Model
All Models
Acadia
C1500
C2500
C3500
Canyon
Envoy
Jimmy
S15
Safari
Savana
Sierra
Sierra Hybrid
Sonoma
Sprint/Caballero
Suburban
Syclone
Terrain
Truck
Typhoon
Van
Vandura
Yukon
Yukon Hybrid
Found 30 results
Select a filter to limit the results
Not Working
Stuck
Defroster Not Working
I Think It Is The Ambient Air Temperature Sensor But I Do Not Know Where It Is Located. My Ac Used To Blow Super Cold And My Heat Was...
Asked by
jbenz2679
·
13 ANSWERS
10 IMAGES
1999
GMC SONOMA
GUIDE
Vents Stay in Defrost Mode
Your car's defroster is designed to remove moisture (fog) from the inside of the windshield in cold weather. It can be a safety problem if the defroster is not working, or...
Stuck On Defrost
Found 2 Bad Vacuum Lines. Took It To Mechanic. Decided To Try Fixing It Myself. 2 Days Later I Looked Under Hood And Mechanic Had Removed...
Asked by
SafariMikey
·
1 ANSWER
4 IMAGES
1996
GMC SAFARI
A/C Stuck On Defrost
Hoping To Find Actuator To Replace In Hope's To Repair, But No Idea Where It's Located Or How To Find It.
Asked by
Joshellender
·
1 ANSWER
4 IMAGES
2008
GMC SIERRA
Air Only Comes Out Of Defrost Vents
So, No Matter What Switch I Turn It To, It Never Blows Through Anything But The Defrost Vent. Blend Door Motor. Mode Actuator? I Don't...
Asked by
Packers27
·
1 ANSWER
6 IMAGES
2000
GMC SIERRA
No Air Is Coming Through The Defrost Windshield Vents
All Other Vents Are Producing Hot/cold Air Just Fine. Fuses Are Good And Blower Is Working Along With Temperature Switches.
Asked by
kloffK
·
1 ANSWER
2 IMAGES
2006
GMC C1500
Defroster Not Working
I Have The Truck Listed Above Sierra C3500 1 Ton Extended Cab. The Trouble Is The Defroster Isn't Working. It Doesn't Get Any Air...
Asked by
kee4u
·
1 ANSWER
1 IMAGE
1989
GMC C3500
A/C Only Blows Out The Defrost And Floor Vents?
When I Turn The A/c On It Won't Blow Out Of The Dash Vents But Comes Out Of The Defrost And Floor. What Would Cause This? When It Was...
Asked by
Paul Malaska
·
1 ANSWER
2 IMAGES
2017
GMC SAVANA
1994 GMC C1500 No Defrost
Heater Problem 1994 Gmc C1500 V8 Automatic 158000 Miles I Have No Defrost, Heater Is Fine. No A/c Out Of Vents Either. When On Defrost...
Asked by
tim renz
·
1 ANSWER
1994
GMC C1500
2004 GMC Envoy Cars Front Defogger Turns Off The Car
Air Conditioning Problem 2004 Gmc Envoy 6 Cyl All Wheel Drive Manual When I Turn On The Front Defogger And Iam Parked It Turns Off The...
Asked by
john montes sr.
·
1 ANSWER
2004
GMC ENVOY
The Air Conditioner Is Stuck In Defrost Mode, How To...
The Air Blows Out Of The Defrost In The Dash. A/c Control Module? How Do I Fix This? Thank You For Any Help.
Asked by
Pcampbell50
·
1 ANSWER
2 IMAGES
1991
GMC C1500
PREV
1
2
3
NEXT
Ask a new GMC question
Sponsored links
Ask a Car Question. It's Free!
SPONSORED LINKS
Online car repair manuals