GMC SIERRA ENGINE

My Water Pump Is Going Out, Coolant Is Leaking Steady But Not Too Fast. I Can Drive 1/2 Hour Before Having To Fill Again When Low Coolant...

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...

While Driving, Specifically Cruising, The Rpms Do Not Hold Steady. It Will Fluctuate A Couple Hundred Rpms. There Is An Occasional Shudder...

1990 Sierra, 350, Milage 189.000, Out Of The Blue? My Truck Started Leaking Oil Spraying The Cars Behind Me, No Lights Came On Until I...

Hey, I A Few Months Ago I Bought A Gmc K1500 5.0l V8 Tbi From 1989. When I First Got It, It Had No Spark Or Fuel. I Replaced The Ignition...

I Have A 2002 Gmc Serria P/u With What I Believe Is Fuel Problems. The Truck Has Always Started Quickly On The First Turn Of The Ignition....

I Am Trying To Install The Engine Back Into The Engine Bay And Hook It Up To The Transmission (transmission Is Still On The Truck) And I Am...

Engine Problem 2003 Gmc Sierra Four Wheel Drive Automatic 126950 Miles I Have A 2003 Sierra 5.3l. My Problem Is That Once The...

The Engine Starts Immediately When Cold But When Warm It Has To Crank For Several Seconds Before Starting. There Are No Error Codes Showing...

Where In The Heck Is The Oil Going In My Truck? I Change It Every 3000 Miles, And It Doesn't Seem To Be Burning Oil (no Smell Or Smoke)...