GMC SIERRA

I Thought It Maybe Had Water In The Gas But I Replaced The Fuel Pump And Put Dry Gas And Lucas In It. It Idles Like It's Thirsting For Gas(...

I Have Located The Hazard Flasher Under The Dash Behind The Brake Pedal On The Firewall And Was Wondering If The Flasher Right Next To It Is...

I Have An 88 Gmc Serra 4x4 With 350, Overdrive Tranny. I Am Noticing A Hard Shift Between 2nd And 3rd And Not Much Power. I Am Wondering If...

I Have A 1999 Gmc Sierra 1500 5.3l And Recently I Have Had Some Trouble Starting It. Sometimes It Starts Just Fine But Other Times It Sounds...

My 2007 Sierra Cassic Wt Horn Died. Started Out As An Intermittent Problem, Occassionaly It Would Be A Weak Sound, Then Ultimately Stopped...

I Had My Distributor Out And I Need To Reset My Timing On A 1996 Gmc 1500 350 R Engine Code To Proper Spect.

When I Am Driving I Notice The Volt Meter Charging 13.9 Volts Then It Drops To Aprox 12+. Is This Normal. The Dealer Checked The System &...

My Switch Turns Over, But Nothing. I Changed The Battery And Starter Also Checked All Fuses With A Meter And All Good. I'm About To Change...

I Just Did A New Short Block And New Injectors In My 2002 Duramax And Now Number 2 And 7 Are Showing +15 And All The Rest Are Showing -7 And...

So My Truck's Fan Stopped Blowing, I Replaced The Resistor, And The Fan Started To Work But The Compressor Stopped Going On (it Worked...