Mechanics

SYNTHETIC OILS

2003 Infiniti QX • 6 cylinder AWD Automatic • 116,000 miles

I own a Infiniti 2003 QX4. It has 116,000 miles on the engine.I only use Castro 5-W30 HM. How often, or how long(miles)before this synthetic oil needs changed. Infinity guidelines
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Sandyp
February 6, 2011.



Personally I would change at 6000 miles with a maximum limit of 7500 miles and never use a cheap filter.

KHLow2008
Feb 9, 2011.