2003 Buick Park Avenue Coolant Temperature

Tiny
SSWIDER
  • MEMBER
  • 2003 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 30,000 MILES
Please advise the proper coolant operating temperature. The gage indicates approx. 187 f however varies +/- 3 f.

Thanks for your assistance.
Wednesday, January 23rd, 2008 AT 8:35 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
According to the specs, coolant thermostat remains closed until temp is 195 F then it opens and circulates...187 is low! Try a new thermostat to raise to 195...buy a 195 heat range tstat...


https://www.2carpros.com/forum/automotive_pictures/62217_Coolant_Temps1_1.jpg


Also use a 50-50 mix of DEX-COOL and water!
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Wednesday, January 23rd, 2008 AT 8:52 AM

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