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2002 Holden Calais Temp fluctuation

Tiny
JIMHBB
  • MEMBER
  • 2002 HOLDEN CALAIS
  • 6 CYL
  • RWD
  • AUTOMATIC
  • 140,000 MILES
Temp gauge rises to halfway when warm, then drops to cold and the engine light comes on and fans kick in. The revs also rise to 1500 rpm on idle. After around 30 seconds, everything goes back to normal until the cycle starts again and it all repeats.
Your advice would be greatly appreciated
Thank you
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Tuesday, July 28th, 2015 AT 6:57 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Check for a blocked radiator and make sure that the water pump has not had the impeller eaten away as this is a common problem if wrong coolant or no coolant is used
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Wednesday, July 29th, 2015 AT 1:02 AM
Tiny
JIMHBB
  • MEMBER
  • 2 POSTS
I will for sure and thank you very much for your time
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Wednesday, July 29th, 2015 AT 2:46 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
If you still have problems, post back on this thread and we will work through it with you.
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Wednesday, July 29th, 2015 AT 3:22 AM

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