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-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   Would you use this oil filter? Do they go bad sitting on a shelf? (http://forums.pelicanparts.com/porsche-911-technical-forum/1015455-would-you-use-oil-filter-do-they-go-bad-sitting-shelf.html)

flashboarder 12-13-2018 09:07 AM
Quote:
Originally Posted by 175K911 (Post 10282691)
Not true for the vast majority of manufacturers and distributors. Product is measured in turns per year.
the number of inventory turns will do nothing to aging inventory if you don’t have FIFO or batch management...

175K911 12-13-2018 09:12 AM
Quote:
Originally Posted by flashboarder (Post 10282999)
the number of inventory turns will do nothing to aging inventory if you don’t have FIFO or batch management...
Absolutely right. We did and the vast majority of our large customers like Advance Auto Parts, Pep Boys, Amazon, Icahn's North American DC's all did.

pmax 12-13-2018 11:53 AM
Quote:
Originally Posted by 175K911 (Post 10282913)
Two pictures of automatic transmission filters after 12 months left to the atmosphere on a shelf in my old heated distribution center....

Top pic is the inside of a cylindrical trans filter cut open to see the effects inside.
Bottom pic is the outside of a typical trans filter.

Some newer filters, like the one in my ZF 8 speed trans in my hemi Grand Cherokee are now plastic, many of the ZF's in BMWs and Porsches are also plastic now too.http://forums.pelicanparts.com/uploa...1544720089.jpg
That looks like it will rust on the insides even after being installed unless hermetically sealed.

911pcars 12-13-2018 01:08 PM
Quote:
Originally Posted by pmax (Post 10283228)
That looks like it will rust on the insides even after being installed unless hermetically sealed.
You're overthinking this (or maybe I'm not understanding). Are you planning con rod replacement too if the car sits for a few weeks?

Sherwood

pmax 12-13-2018 01:37 PM
Quote:
Originally Posted by 911pcars (Post 10283335)
You're overthinking this (or maybe I'm not understanding). Are you planning con rod replacement too if the car sits for a few weeks?

Sherwood
That part looks like it is susceptible to rust (cheap metal?) when exposed to air for any significantly long period. Is it coated or soaked with clean oil at all times after installation and left sitting in a seldom driven car ? If not, rust would start forming and that's not good.

NICE 69 S 12-13-2018 02:33 PM
So how about these six Mann W940 that I have had sealed away for almost 40 years?http://forums.pelicanparts.com/uploa...1544743935.JPG

911pcars 12-13-2018 02:50 PM
Quote:
Originally Posted by pmax (Post 10283364)
That part looks like it is susceptible to rust (cheap metal?) when exposed to air for any significantly long period. Is it coated or soaked with clean oil at all times after installation and left sitting in a seldom driven car ? If not, rust would start forming and that's not good.
The pic is a filter for an automatic transmission. It's made of steel. Steel, even high alloy, uber expensive, German Teutonic Porsche steel, will corrode when exposed to the atmosphere. Everything inside a working A/T is bathed in ATF unlike a shelf in a damp warehouse.

SalParadise 12-13-2018 03:58 PM
Ed, thanks for posting the above story and pics. You never know what's going to come out in a thread - it was interesting reading seeing how the business works.

Reiver 12-13-2018 06:41 PM
I learned something too....hadn't thought about the rust issue probably due to my location in Az...things don't normally rust even sitting in my garage.

juanbenae 12-13-2018 07:35 PM
Quote:
Originally Posted by 911pcars (Post 10283456)
The pic is a filter for an automatic transmission. It's made of steel. Steel, even high alloy, uber expensive, German Teutonic Porsche steel, will corrode when exposed to the atmosphere. Everything inside a working A/T is bathed in ATF unlike a shelf in a damp warehouse.

pretty much the 1st thread reply ever Sherwood did not sign his name "Sherwood" to his post as best as i can recall!;)

silly pmax...

pmax 12-13-2018 10:09 PM
Quote:
Originally Posted by 911pcars (Post 10283456)
The pic is a filter for an automatic transmission. It's made of steel. Steel, even high alloy, uber expensive, German Teutonic Porsche steel, will corrode when exposed to the atmosphere. Everything inside a working A/T is bathed in ATF unlike a shelf in a damp warehouse.

Got it, immersed in ATF in the sump of the transmission.

http://forums.pelicanparts.com/uploa...1544767362.png

Quote:
Originally Posted by juanbenae (Post 10283693)
pretty much the 1st thread reply ever Sherwood did not sign his name "Sherwood" to his post as best as i can recall!;)

silly pmax...
Bad day huh, JB ?

sithot 12-19-2018 04:51 AM
Interesting video recently passed along to me.

https://www.youtube.com/watch?v=iTNJLEV8CG8


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