6637 Filter Installation
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New User
Joined: Apr 2008
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6637 Filter Installation
Hey Guys, Okay Okay I'm a novice
so can someone tell me step by step the proper proceedure for installing the #6637 Filter (FleetFilter.com)? And do I need to have a cover on it, what are the benefits?
so can someone tell me step by step the proper proceedure for installing the #6637 Filter (FleetFilter.com)? And do I need to have a cover on it, what are the benefits?
Post Fiend
Joined: Apr 2007
Posts: 5,398
Likes: 1
From: Gilbert, Az
Here is a link to one of the threads on the 6637. If you just search for 6637 you will come up with a bunch of threads on it. On some of them people have put instructions on how they did it.
https://www.ford-trucks.com/forums/7...installed.html
As for the cover, it will prolongs the life of the filter and they look cool
https://www.ford-trucks.com/forums/7...installed.html
As for the cover, it will prolongs the life of the filter and they look cool
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
If you have a 99.5 or newer the stock tube will slide right over the neck and the stock clamp will work. You may have to heat the tube up with a hair dryer for the first time but from then on they change fairly easily. Mine has been like that for 2 years now and lots of miles without a hint of coming loose.
Hotshot
Joined: Nov 2006
Posts: 11,288
Likes: 269
From: North of Greenville
Some of us, though, due to some type of wierd layout configuration of things under the hood, have fought problems with the filter coming loose even with the exhaust tubing. I finally purchased a 45° piece of stainless exhaust so I can eliminate the sideways torque that keeps me checking mine regularly to make sure it hasn't slipped off again.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Looks like everyones covered most of the basics.
Welcome to FTE. Let us know if you have any more questions.
Welcome to FTE. Let us know if you have any more questions.
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Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
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From: Concord NC
Glad to have you as a member of the best group around. Looks like you have this one covered. I'm one of the lucky ones and didn't need any pipe. That being said, I do rest easier knowing that I have one of Pete's (F250_) custom covers on my 6637, just in case it does slip off, I will still have somthing to keep the big stuff out. Plus they are just plain purdy.
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Thanks for the info. I have an 02 Excursion so we'll see how it goes. So far everyone on this site has been awesome and has really helped me narrow down my choice of upgrades. I'm new to diesel, but not not new to spending my money on stuff for my truck.