2003 Buick Park Avenue Coolant Temperature

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

Thanks for your assistance.
Jan 23, 2008 at 8:35 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
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://images.2carpros.com/forum/automotive_pictures/62217_Coolant_Temps1_1.jpg

Also use a 50-50 mix of DEX-COOL and water!
Jan 23, 2008 at 8:52 AM
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