GMC SIERRA HEATER NOT WORKING

Found 4 results

Heater Not Working?

My Heater Will Only Blow Heat If I Put The Temperature To Above 86 Degrees. Anything Under That Is Will Blow Cold Air.

Asked by Nick Dozier ·

29 ANSWERS

8 IMAGES

2011

Heater Not Working

VIDEO

Heater Not Working

Instructional repair video

Heater Not Working

Heater Not Working

Step 1 - A heater cannot operate unless the engine is full of coolant/antifreeze. If coolant level is low check the system for leaks.

Heater Not Working Properly?

Truck Listed Above V6 3.5, Heater Vent Value Cabin Sticks Sometimes Open Had Heat. Sometimes Close No Heat. Only 196,000 Kms.

Asked by Anonymous ·

37 ANSWERS

2 IMAGES

2003

Heater Not Working

The Arrow On The Temp. Control, Flash All The Way Across, Won't Adjust Heat. I Have Replaced The Control Unit And It Does The Same...

Asked by desertrat52 ·

13 ANSWERS

1 IMAGE

1994

Intermittent Heat?

Heat Set To 72 Degrees; Truck Will Start To Get Warm Then Starts Blowing Cold Air. Turn Heat Up 2 More Degrees And Starts To Get Warm Then...

Asked by pjraceing69 ·

3 ANSWERS

1 IMAGE

2016

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