[Planediveguy]

Hi, I am about to change the oil on my 3.6 again. Thanks a lot for all the help here. I have a question... Does the gasket (or "O"-ring) that seals the drain plug for the oil pan need to be changed? If so how often? Anyone knows the part #?

Thanks again

 

[urbanski]

i once read it does need changed, and i did several times.
last few changes i didnt....no leaks yet either way.
never forget the FAQ
http://www.cadillacfaq.com/faq/answers/36oilchange/index.html

Rubber drain plug washer (PN #3536966)

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[Planediveguy]

Thank you!

 

[RICADDYMAN]

I never changed it yet, after several changes, no leaks as of yet???