GMC SIERRA DRIVETRAIN

My Truck Would Not Run On Two Wheel Drive, It Would Shift To Four Wheel Drive Auto And Would Have A Grinding Noise When Shifting To Two...

My 1999 Gmc 4x4 5 Speed( Transfer Case Shifter On The Floor) Will Not Go Into 4 Wheel Drive. Also The 4x4 Light Is Not Lite. Checked Linkage...

I Have A 2005 Gmc Sierra ¾ Ton Four Wheel Drive; My Right Rear Axle Seal Leaks Slightly. It Has Been Years Since I Since I Have Taken...

1988 Gmc Truck 4wd: It Runs Perfect In 2wd. Do You Know What The Problem Could Be? Also Do You Think It Could Be A Relay Switch Or Breaker...

Noises Problem 2000 Gmc Sierra V8 Four Wheel Drive Automatic Just Recently, My Truck Started To Make A Noise When I Press The...

2000 Gmc Sierra 1500 4x4. I Put The Truck Into 4 Low And It Went In Fine. As I Got Out Of The Snow I Tried To Shift It Into 4 Hi And It...

Truck Is Stuck In Park, Read That It Could Be The Btsi Solenoid, Read It Could Be Bypassed By Pulling The Turn B/u Fuse And I Cant Locate It

Especially On Longer Trips, 6 To 20 Miles, Transmission Swithhes From Overdrive Back To 3 Rd. While In Drive. We Stop Turn Off The Engine...

I Have Replaced Both Motors For The Four Wheel Drive System. With All Wheels Off The Ground, All Wheels Will Spin. When I Have All Wheels...

I Reviewed On Your Website How To Service An Automatic Transmission. It Was Very Helpful And By The Way The Vehicle Looked Like A 2005 Gmc...