2001 Chevy Impala OIL

Tiny
SALCIDO21
  • MEMBER
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 137,000 MILES
Can I use 10w 40w synthetic oil instead of 5w 30w conventional oil, will this damage my engine our cause any knocking
Thursday, March 4th, 2010 AT 2:15 PM

1 Reply

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
It is not recommended to use synthetic after your vehicle has been "seasoned" with regular oil since it production. It may cause knocking, and is not worth the chance
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Thursday, March 4th, 2010 AT 2:27 PM

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