Also, I have found that Cummins Service Centers sell fuel filters for around $12.00. Local one in OKC sells for $12.95. My advise find a spot and buy two or three at one time and I keep an extra in the truck, especially if you plan to go long distances.

 

Just another tip on this subject, just in case anyone actually starts the engine with bumping the pump a few times as Drew described. (speaking from experience here).
The motor wil run for about 10 seconds from the leftover fuel in the line, then all the bumping in the world won't help.

What you'll need to do is loosen the front injector line to allow the air to escape while you bump the starter. Once you hear the engine try to catch, then re-tighten the injector line and srat the engine.

Also, be very careful when you screw the top back on the filter, its very easy to get the threads cross-threaded.

Regards, Glenn

 

Thanks buster !!

Here's what I have ...



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Loosen the nut and disonnect the sensor at the bottom and the canister will come out.
Here is the skinny on bleeding the lines and injector pump. Loosen the nut on the schrader valve on the injector pump and press the valve pin (looks like the one on your tires). A little air if any will come out, then tighten nut back up. Next loosen all of the fuel lines at the injectors. Next, find the starter relay in the fuse box under the hood and take the top cover off with a small screwdriver. With the cover off, put the relay back in place and turn the ignition on, but do not start truck. Now get your 19mm wrench, I believe that is size, in your left hand and put your thumb of your right hand on the starter relay. This will active the relay and the ignition will attempt to start the truck. Whe you take your finger off the starter will stop. Once you see fuel coming out of the fuel lines in a steady stream, tighten the line back up. It is very similar to bleeding your brake lines. Once you have tightened a couple of lines the truck will keep running and you can take your thumb off of the starter relay. After you have tightened all the lines, put the cover back on the starter relay and put the cover back on the fuse box. If I rember right, the second or third injector line is hard to get to and may take an angled wrench to get to.

 

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good job guys hitting these older trucks and the fuel filter. . .thanks

 

Holy crap Buster, what a series of events that have to take place just to change a fuel filter. I wouldn't know what a schrader valve was if it hit me in the mouth.

Here's a stupid question ...

Can the filter be changed, and just leave the valve open and crank ( not start ) the truck until fuel comes out of the bleed line. Would that work? There's got to be an easier way than the chain of events that you describe ( BTW thanks for the detailed instructions ) isn't there?

 

Just a quick thanks to Drew for puttin up this post. I'll be doing this tonight!

 

Just a little tidbit of advice to add. Be sure that the new o ring is in the box with the filter...
Found out the hard way, late saturday night and the local parts place AND local dealer parts dept are closed on sundays []

Other than that, pretty easy job to do and a great write up by Drew.

 

fuel filter, 10k miles, 90% using the drews brew mix... doesnt look red to me.



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Hey, I'm another new guy, poking around trying to get a feel of what I'd be in for when I get my CTD...I was wondering what the silencer ring does and why you'd take it off?

Great post and great site!

Thanks