2005 Ford Taurus Oil

2005 FORD TAURUS
33,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DNIGHT
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  • 1 POST
I have changed my own oil for more than 30 years and my 05 Taurus says to use 5W-20. This sounds crazy and I thought for the summer I'd switch to 10W30 -- summers are hot, run the AC more hot can't hardly believe that there is enough shear protection in a 20 weight oil in the summer. Now I feel guilty. Should I change back?

Thx

David
Jun 28, 2008 at 10:01 PM
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BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
perfectly fine, if it says to use 5w20 you should use it, but you did no harm using 10w30 i always go thicker in the summer!
Jun 29, 2008 at 8:51 AM
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