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993 dual oil filter ?


pyt993c2s

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Do I have to change both oil filters with every oil change? I heard that one of the oil filters has a longer change interval than the other...little filter or big filter I do not know? I would think the one behind the inner fender wall would have a longer change interval. I have been changing them both when the oil is changed, is this unnessary? If anyone can lead me to an answer that would be great.

Thanks

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the little filter is for the valve train and is changed at 30k mile intervals

Thank you for answering my question. Does it hurt to change it at every oil change, or is that a waste of time and money? I don't mind spending the money, but it makes changing the oil and filters a pain in the butt .... for me at least. Thanks

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  • 1 year later...

the little filter is for the valve train and is changed at 30k mile intervals

Interesting that there is a separate oil filter of the valve train oil supply.I knew about the two filters because I've changed them myself...but didn't know what the smaller filter was for.

Edited by 993Twin
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  • 3 weeks later...

Thank you for answering my question. Does it hurt to change it at every oil change, or is that a waste of time and money? I don't mind spending the money, but it makes changing the oil and filters a pain in the butt .... for me at least. Thanks

I change both at each oil change. A Sears crawl oil wrench can reach the smaller oil filter without removing the oil line so it's simple to do.

Edited by John Coffin
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  • 2 months later...

Thank you for answering my question. Does it hurt to change it at every oil change, or is that a waste of time and money? I don't mind spending the money, but it makes changing the oil and filters a pain in the butt .... for me at least. Thanks

I change both at each oil change. A Sears crawl oil wrench can reach the smaller oil filter without removing the oil line so it's simple to do.

hi John.. thanks for the tip.. can you post or send me a pic of this "crawl oil wrench"?? thank you very much

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