GMC SIERRA

I Have A 04 Gmc Sierra 1500 Trying To Hookup A Flat 4 Wire Trailer Plug. I Get Brake Lights But No Taillights Or Taillights With No Brake...

I Have A 98 Gmc Sierra With Approximately 60,000 Miles. The Tail Lights Are Not Working Properly Anymore. With The Ignition In The Off...

I Have Checked My Transmision Fluid And And The Level Is Good. I Noticed Yesturday When I Am Driving At 50mph You Can Here The Howling A...

My Front Drive Line Will Not Spin Freely In 2wd. If I Lock It In Four Wd Drive It Works Fine.I Have Another 1999 Chev Tahoe And In 2wd The...

When The "auto" Setting Is Used, The Light Comes On But I Can Tell That The Transfer Case Is In 4hi(feel Front Wheels Pulling While Turning...

This Happened Suddenly, The Truck Went From Having Great Power And Smooth Idle. To: Rough Idle And It Feels Like The Truck Is Missing On 2...

For The Past Couple Of Weeks, The Parking Break And Abs Lights Have Been Coming On At Irregular Times. Could These Lights Be The...

I Have Changed The Spark Plugs And Cleaned The Throttle Body. The Gas Mileage Is Still Down About 3 Miles Per Gallon. Should I Change The...

Hi, I’m A Navy Diesel Mechanic Used To Working On Engines The Size Of My Truck And Am Getting Beat Up By A Power Steering Problem. The...

Fluid Question What Is The Correct Number Of Quarts Of Trans. Fluid To Add When The Trans Pan Has Been Drained. Also Does The Fluid In The...