GMC Sierra Transmission

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

198 discussions

While Driving There Was A Grinding Noise When...

2022 GMC SIERRA
Hello, I Was Driving My Truck Listed Above 1500, When I Heard A Grinding Noise. I Got To A Red Light And All Of A Sudden, The Truck Would...
2 ANSWERS
62 IMAGES
Asked by Raquel Rodz Flores

Downshifting Problem?

2013 GMC SIERRA
When I Have To Slow To Turn Onto Another Street, Or For A Stoplight That Turns Green Before I Fully Stop, Or In Stop-and-go Traffic, I Get A...
3 ANSWERS
Asked by BTSims

Transmission Or A Belt?

2012 GMC SIERRA
I Have A 2012 Gmc Sierra 4.3l V6 Automatic Transmission And The Problem I Have Is A Pronounced Buzzing/humming Noise When I Accelerate In...
1 ANSWER
Asked by thisguy2120

Where Is The Input Speed Sensor Located?

2011 GMC SIERRA
I’ve Been Dealing With Some Irregular Rough Shifting With My Truck. Code Reader Says Transmission Input Sensor, Cruise Control Also Does...
1 ANSWER
9 IMAGES
Asked by DM870

2009 GMC Sierra MAJOR Electrical Issue!!

2009 GMC SIERRA
1. While Idling The Check Engine Light Came On. I Have Dummy Duel Exhaust That Split Under The Cab And Then Go Into Duels. - Fixed 2...
1 ANSWER
Asked by SADSIERRA1500

The Shifter Works Like Normal, But My Transmission...

2008 GMC SIERRA
After Moving The Shifter Up And Down A Few Times My Truck Will Go Into Gear. I Replaced The Neutral Safety Switch But That’s Not The...
3 ANSWERS
1 VIDEO
4 IMAGES
Asked by Bryan White

Neutral Safety Switch Location

2008 GMC SIERRA
How Do You Find The Neutral Position In The Switch?
29 ANSWERS
11 IMAGES
Asked by Bill Hays

What Kind Of Problem Would Cause Automatic Truck To...

2008 GMC SIERRA
What Kind Of Problem Would Cause Automatic Truck To Have Lower Power When First Driving Off, Then Shift Very Hard When Shifting Gears?
3 ANSWERS
Asked by ktallbull

Why Is There Smoke Coming From Transmission Dipstick...

2007 GMC SIERRA
I Recently Installed A New Transmission And Haven’t Added Anymore Fluid Than What I Have Already Due To Even Running The Truck A Minute Or...
5 ANSWERS
Asked by Hunter Atherton

Intermittent Not Shifting Out Of First Gear

2007 GMC SIERRA
I Can Re Create The Problem. Here Goes: First Speedometer Does Not Work When This Problem Occurs. The Speedometer Always Jumps From 0 When I...
15 ANSWERS
3 IMAGES
Asked by jcvetnich

Browse other repair topics

Browse by repair topic
Bearing HubCV AxleDifferentialDrive ShaftTransfer CaseTransmissionWheel Bearing

    Can’t find your issue?

    Ask a new GMC Sierra question