synthetic or regular oil? I need to change the engine oil

2001 JEEP CHEROKEE
130,000 MILES • V8 • 4WD • AUTOMATIC
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HAZARDUS1
  • MEMBER
  • 1 POST
can you mix synthetic and regular motor oil and why?
Apr 29, 2010 at 3:47 PM
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SQM
  • ASE Certified Mechanic
  • 6,383 POSTS
  • ASE Certified Mechanic
Hello,

Well, the simple answer is yes. You can mix conventional and synthetic oil.
However conventional oil will reduce the benefits of the synthetic oil typical superior performance like longer life span and improved lubrications.

Here is a helpful guide of how to change the oil:

https://www.2carpros.com/articles/how-to-change-engine-oil-and-filter

Hope this answers your question.
Thank you.
Aug 29, 2021 at 1:32 PM
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