6637 mod.??
Lead Driver
Joined: Jun 2007
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From: Hampton, Maryland.
You can also drill a 5/8 inch hole in the end of the 6637 and insert the minder like I did. It will still work although like Bill says, you will know the filter is dirty long before the minder says to change it.
Elder User
Joined: Jan 2006
Posts: 649
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From: Charleston SC
Originally Posted by kent's f-350
what do you do with the air temp. sensor in the factory box, when you put in the 6637 mod.??
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
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From: Charlotte-Fairbanks-Bflo
Boy o Boy, that sure was my bad!! Thanx for pointing it out. I happen to think those filter minders with a 6637 are so stupid that I just can't wait to get on them. I have a diesel pusher motor home that I have had for years. The filter minder is in plain sight and in all the years I have had the damn thing it has never moved even a little bit. Of course I change the filter when it is due, but I need a gadget like that telling me when to change it about as much as I need someone like Shillery telling me I have to wear a seatbelt.
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Posting Guru
Joined: Dec 2007
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From: Oklahoma
So do you just remove/disconnect the filter minder? I thought pretty much everyone
tied it out of the way. Don't you try to locate the temp sensor close to the filter?
tied it out of the way. Don't you try to locate the temp sensor close to the filter?
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Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
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From: Charlotte-Fairbanks-Bflo
I did tie my temp sensor with a tie wrap, but why take a chance and drill the 6637? The shavings have to go somewhere and as I have already stated the thing is worthless.
Elder User
Joined: Jan 2006
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From: Charleston SC
Filter minder test
If you really want to see what the filter minder does and how it functions, hook it back up to the plug it came from, and gently suck on it. When you draw air into it, it draws a cylinder against a spring and makes a switch, which turns on an idiot light on the dash. If it is disconnected, there is not much of a chance (unless you short out the wires) of the light ever coming on. When you do test it, you press on the rubber covered end and it relieves the suction and it springs back and breaks the contacts on the switch. Simple but effective.....if you use it. It was easy to drill and install on the first 6637 but on the next ones, I left it in the glove box.
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