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Why an additional trans filter?

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Old May 22, 2009 | 01:43 AM
  #1  
Mulepick's Avatar
Mulepick
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Why an additional trans filter?

After receiving my truck back from having about $5k worth of warranty work done to engine and trans, I noticed that the dealer spliced an inline filter into the return side of the trans fluid between the cooler and the existing filter. It's a Ford filter and I'm wondering what purpose it serves that wasn't being served previously and what its periodicity for replacement might be.

Any ideas?

Tks,

Bob
 
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Old May 22, 2009 | 02:12 AM
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jmaskew
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Which dealer in town did you go to?
 
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Old May 22, 2009 | 02:54 AM
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Originally Posted by jmaskew
Which dealer in town did you go to?
The same one I sent you to...

Ford Country.
 
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Old May 22, 2009 | 06:03 AM
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Rob.D
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At 30,000 miles I plan on upgrading to the 08 pan and 08 internal filter vs. the screen on my 06
 
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Old May 22, 2009 | 08:07 AM
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I have that filter on my other truck (1989 IDI) with a Motorcraft rebuilt C6 trans. Thats the only way they will warranty the trans. Sounds like your added on filter was an overkill and a waste of money. You already have a canister filter setup. Thats an extra filter you have to replace now.
 
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Old May 22, 2009 | 09:01 AM
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The filter they added is an in-line (not by-pass) filter which is made by Magnefine company.

Ford uses these little filters on most/all rebuilt tranny's and if something is suspected. There is a TSB on this issue and the filter is part of the rebuild kit.

Many also use this same filter on the p/s fluid systems.

It is a great filter and has a by-pass pressure relief valve in it. The filter has a magnet in it as well so it is catching ferous metal particals on the megnet and the paper filter is catching the rest of the stuff.

Your dealer did a good thing for you and the filters only cost $15.00 on-line if you wish to continue using them.

Check out the thread below. It relates to p/s fluid but is this the filter that was installed?

https://www.ford-trucks.com/forums/8...ing-flush.html

Good luck,
 
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Old May 22, 2009 | 08:40 PM
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I've used Magnafine inline filters before on other vehicles. This is a ford badged filter that may do the same thing. Part number is 2w4p7b155bc:

http://img507.imageshack.us/img507/4623/p5220001.jpg

Bob
 
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