GMC Sierra Heater Heater Core

Browse GMC Sierra Heater Heater Core questions and answers. Choose a question that matches your symptoms.

8 discussions

2001 GMC Sierra Heater Core

2001 GMC SIERRA
Coolant Leaking From Tube Under Ac System In Engine Area. Heater Core Bad? What The Easiest Way To Replace Heater Core?
1 ANSWER
Asked by Jrmike34

1999 GMC Sierra Cold Air Goes To Hot

1999 GMC SIERRA
Truck A/c System Will Blow Cold Air Sometimes Usually For About 20 Mins. Then Will Start Blowing Hot If You Cut The A/c Off For About 20...
1 ANSWER
Asked by Jarred318

1999 GMC Sierra Heating Problems

1999 GMC SIERRA
Since The Weather Turned Cold, When I Call For Heat In The Cab Of The Truck I Only Get Cold Air. I Have Checked The Hoses Going To The...
1 ANSWER
Asked by John Martin

1998 GMC Sierra Heater Core

1998 GMC SIERRA
How Do I Replace The Heater Core On My Pickup?
1 ANSWER
Asked by dlbarquest

Where Is The Heater Core Located And How To Replace It...

1993 GMC SIERRA
Hello, I Was Wondering Where My Heater Core Is Located And How To Change It Out?
1 ANSWER
5 IMAGES
Asked by sbdavis34

1990 GMC Sierra Pictorial Diagram Of Heater Core...

1990 GMC SIERRA
I Need To Replace The Heater Core. I Cannot Find Sufficent Information For Removal And Replacement Of The Core And The Plastic Box It Is...
7 ANSWERS
Asked by cmsgtsmith

1990 GMC Sierra Heater Core Replacement

1990 GMC SIERRA
Im Trying To Change My Heater Core For My 5.7 Liter K1500 But My Boss Wont Take The Time To Help Me. (i Work In An Auto Shop Haha, Trainee...
1 ANSWER
Asked by finalfantasy7001

1988 GMC Sierra Heater Core

1988 GMC SIERRA
My Heater Core Is Leaking Coolant Into The Cab Of My Truck And Underneath My Heater Core Is A Small Puddle Of Coolant Every Day When I Go...
3 ANSWERS
Asked by curtis558@hotmail.com

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