Changing fuel filters

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Dec 31, 2012 | 09:35 AM

big-head

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Changing fuel filters

I want to change both fuel filters. 2007. 6.0. After changing do I simply just start the truck and let it idle. Will the engine digest the air okay ??? Or is there a way to purge the air.... Just bought the truck so I'm new to it.

Also how often do I change the oil and filter ???
And what about the fuel filters ??
I don't pull much with it. I'm not a hard driver.

Last edited by big-head; Dec 31, 2012 at 09:52 AM. Reason: New question

Dec 31, 2012 | 09:37 AM

69cj

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From: Middle Tn.

Quote:

Originally Posted by big-head

Do 3 key on/ key off cycles for 10 secs. each to purge the system. Then start and you should be good to go. Make sure to use OEM only filters and caps.

Dec 31, 2012 | 09:37 AM

bismic

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Check out the Tech Folder - lots of stuff like this in it.

You need to cycle the key on and off a few times to purge the air out - it is described in the thread in the Tech Folder.

oops - better answer Mike!!

Dec 31, 2012 | 11:06 AM

gwg42

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From: Central TX

One of several pieces of good advice from this site was to use the proper size sockets to remove the filter caps. My previous filter changes were always done with dealers, both caps were on extremely tight. Sprayed with penetrant and let sit for a while. My truck is a 4x4 so everything is tight on the rail filter.

Dec 31, 2012 | 11:32 AM

brapom

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From: new jersey

cycle key 3 times then start all should be well. ck for leaks after 5 min of road test. Be carefull when removing and installing the water drain plug. There is a updated plug you can get from your local dealer Happy New Year

Dec 31, 2012 | 01:14 PM

big-head

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Water drain plug ??

Dec 31, 2012 | 03:32 PM

bismic

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The primary fuel filter (the HFCM) has a drain plug for removing water. You don't empty the water reservoir by just changing the filter.

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Dec 31, 2012 | 04:14 PM

npccpartsman

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From: Stuttgart, Ar

Quote:

Originally Posted by big-head

I will look for it. Does it also drain all the fuel. To ad in staying dry when removing it while laying on ur back. What socket size is it.

No it doesn't drain all the fuel and it's a 6mm allen wrench UNLESS it's been upgraded to the new style drain plug

Dec 31, 2012 | 04:45 PM

#10

big-head

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Thanks. If it has been changed what will it be. Do I need to pull the plug from time to time and drain.

How often do I need to change the oil and filter and the fuel filters.

Dec 31, 2012 | 05:05 PM

#11

bismic

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Tech Folder:
https://www.ford-trucks.com/forums/3...ch-folder.html

HFCM Filter Change and Fuel/Water Separator Drain Procedure
FUEL/WATER SEPARATOR DRAIN PROCEDURE

Upper Fuel Filter, Engine
Changing Upper Fuel Filter

HFCM Water Separator Drain Plug Upgrade
PLUG INSTALL

Dec 31, 2012 | 05:37 PM

#12

big-head

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Quote:

Originally Posted by brapom

Quote:

Originally Posted by bismic

Tech Folder:
https://www.ford-trucks.com/forums/3...ch-folder.html

HFCM Filter Change and Fuel/Water Separator Drain Procedure
FUEL/WATER SEPARATOR DRAIN PROCEDURE

Upper Fuel Filter, Engine

Changing Upper Fuel Filter

HFCM Water Separator Drain Plug Upgrade
PLUG INSTALL

Thanks very very much for the links.

Dec 31, 2012 | 06:45 PM

#13

william_04_x

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Here's a tip: If you've bought Motorcraft filters, don't jam your finger through the plastic wrapping of the little filter to open it up. It's got some sharp teeth in there, and it bites.