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1990 Pontiac Sunbird running temp

Tiny
LOCK-MAN
  • MEMBER
  • 1990 PONTIAC SUNBIRD
Engine Cooling problem
1990 Pontiac Sunbird 4 cyl Two Wheel Drive Automatic

Hi, My 1990 sunbird temp was running at 180, last week it started running at 220 before the cooling fan would kick in. Is 220 to high for this 4 cyclinder. If so what can I do to bring it down. Thanks, Billy
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Wednesday, September 29th, 2010 AT 7:04 AM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
The only issue I see that you have/had is that the 180 is too low. It should be running a 195 T-stat and the fan isn't programmed to come on until over 225 degrees. Anything up to 230 is acceptable.
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Wednesday, September 29th, 2010 AT 7:09 AM
Tiny
RASMATAZ
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You are doing okay with that range 180-220 degs
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Wednesday, September 29th, 2010 AT 7:12 AM

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