GMC DRIVETRAIN

My 4wd Will Engage In 4lo But My 4hi Will Not Engage. I Can Hear A Click In The Dash And At The Transfer Case While The 4hi And 4lo Lights...

My Front Axle Will Not Engage. I Checked Fuse, Vacuum Actuator, And Front Axle Cable. All Checked Out Okay. I Don't Know How To Check...

It Will Not Go Into Four Wheel Drive.

Does The Transmission Need To Come Out To Replace A Transmission Oil Pump Seal? How Big Of A Job Is This?

4 Months Ago, Car Would Fail To Go Into 3rd Or 4th Occasionally. Now, Car Will Not Go Above 1st Or 2nd. If I Start Out In Drive Or...

I Recently Changed Fluid, Filter, And Seal. After Doing So, Now The Truck Will Not Shift. I Am Having To Shift It Manually From 2nd To...

Okay, So My Second Gear Disc Snapped In My Transmission So I Went And Got A Used Rebuilt One. Went In Without A Hitch But As Soon As...

My 06 Gmc Sierra Just Had Brake Pads Master Cylinder And Brake Booster Replaced And Not It Will Not Shift Out Of Park And Brake Lights Do...

1996 Gmc K 1500 Front Diff Not Staying Engaged. Took Out Actuator And Applied 12 Volts. Did Not Extend At First But Did Eventually. Only...

Computer Problem 1995 Gmc C1500 V8 Two Wheel Drive Automatic I Changed Out The Dash In My 1995 Gmc Sierra 1500 When I Put The Gauge...