2006 Hummer H3 Every Now Temp Rises Over Half Way Mark Times Runs Right Under

2006 HUMMER H3
73,000 MILES
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COLLETTEMICKEYYELVERTON
  • MEMBER
  • 1 POST
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 the jump and the car won't start if its running hot
Jan 18, 2013 at 6:40 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Let me ask a question. Does the temp go up while you are moving at speeds above 20 mph or does it seem to only be when you are sitting in traffic?
Jan 18, 2013 at 7:57 PM
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