Hummer H3 Engine

Every Now And Then My Hummer Temp Rises Over Half Way Mark And Some Times It Runs Right Under Half Way . What Should I Look For As To Why...

Where And How Is The Timing Chain Located?

How Do You Adjust The Idle Speed?

My Car Will Not Start It Will Crank And All The Lights Come On And Every Thing Else Works. I Took It To The Mechanic And They Changed The...

We Took The Hummer In For Oil Change And Because The Engine Light Was On. Now They Say A Cylinder Head Is Leaking. We Have Brought The...

I Have A 2006 Hummer H3 Which The Check Engine Light Has Been On For Years, But Since Moving To New York Legally It Has To Pass Inspection...

I Need To Replace The Crankshaft Angle Sensor How Do I Do That?

The Problems Are; The Engine Shut Off In Low,run Without Power,i Try To Change The Gas Pump,the Scanner Doesnt Find The Cause...

Where Is The Camshaft Pisition Sensor On A Hummer H3 2006 Any Pictures Would Be Great...im Not Sure If I Replaced The Right One I Replace An...

All Wheel Drive Automatic. I Will Like To Know Were Are The Timing Marks (timing Belt) And If You Can Send Me A Diagram?