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1998 Chevy Cavalier Slightly high engine temperature

Tiny
PHILOPATOR
  • MEMBER
  • 1998 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 108,000 MILES
Hi,

I suspect that i'm having a slight problem with my engine temperature. It used to be exactly 90C on open road and slightly higher in traffic.

Now I noticed that it's about 92C-93C on open road.
Can it be termostat? Should I change coolant?
I'm a little afraid of flush because I suspect having a small leak and don't want to make it worse with the pressurized flush.

Thanks,
Philopator.
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Sunday, July 12th, 2009 AT 4:20 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try the thermostat it controls the engine temperature
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Sunday, July 12th, 2009 AT 4:51 PM
Tiny
PHILOPATOR
  • MEMBER
  • 2 POSTS
Understand, thanks.

By the way, could quality of the coolant also affect the temperature? It hasn't been changed for over 100K miles.
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Monday, July 13th, 2009 AT 7:12 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Replace the coolant/thermostat and then bleed the cooling system.
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Monday, July 13th, 2009 AT 12:24 PM

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