2007 cts fuel filter
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  • 2 Post By holsgo
Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 2007 cts fuel filter in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I'm in the process of doing the fuel filter on the cts 3.6. I'm mid way through and documenting it ...
  1. #1
    holsgo is offline Cadillac Owners Fanatic
    Automobile(s): 2007 cts
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    2007 cts fuel filter

    I'm in the process of doing the fuel filter on the cts 3.6. I'm mid way through and documenting it so here are the first set of pics. I did make a tool for the quick disconnect shown below.
    This tool is for the quick disconnect. One side grabs the female fitting and the other pushes the male, plastic tool, into the female. Then pull apart. I know this isn't a fabrication forum but what the heck. The stuff was right out of my junk bin. I'll show it in use after the rest of the pics are posted. You can buy a similar from Lisle. Quick disconnect pliers they are called.
    P5120234.JPG
    P5120235.JPG
    P5120237.JPG
    The fuse to pull is located under the rear passenger seat. Pull the 20 amp fuse shown at the tip of the pencil. Then start the car. It will shortly die. The fuel pressure is released. When you start back up after the job, key on for 20 seconds or so to build pressure.
    P5130239.JPG
    CTSM and scooter05 like this.

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  3. #2
    holsgo is offline Cadillac Owners Fanatic
    Automobile(s): 2007 cts
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    Re: 2007 cts fuel filter

    I can't seem to upload any more photos because of a quota limit...Hmmm.

  4. #3
    DopeEffect's Avatar
    DopeEffect is offline Cadillac Owners Fanatic
    Automobile(s): 2006 3.6L CTS, Hotchkis Sway Bars, FE2
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    Re: 2007 cts fuel filter

    what are the benefits to this? were you experiencing issue related to the fuel filter and if so what were they. or was this more or less preventative maintenance.

  5. #4
    Tlorenzen is offline Cadillac Owners Connoisseur
    Automobile(s): 06RedCTS3.6Lux;V Exhaust,Tint,Rx-CAI-Can-Ice,AuxJack
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    Quote Originally Posted by DopeEffect View Post
    what are the benefits to this? were you experiencing issue related to the fuel filter and if so what were they. or was this more or less preventative maintenance.
    I did mine about 3k miles ago at 114k. God it was nasty on the inside...black poured out everywhere...thats how you know lol

  6. #5
    holsgo is offline Cadillac Owners Fanatic
    Automobile(s): 2007 cts
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    Re: 2007 cts fuel filter

    Totally preventative. I do all filters in advance of the schedule. By definition filters clog. In my experience, once clogged filters cause codes which tend to then lead to other problems. New filters, no problems.

  7. #6
    holsgo is offline Cadillac Owners Fanatic
    Automobile(s): 2007 cts
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    Re: 2007 cts fuel filter

    The job is done. Note, the proper disconnect tool for this car is
    http://www.autozone.com/autozone/acc...er=970541_0_0_
    The yellow, 3/8. I now have 5 quick disconnect sets. Each one seems to have a purpose for each car. Some cars have a line with a higher ferrule than others. I played with 2 of my sets to finally realize the ferrule was a few thousands of an inch higher than the disconnect tool on the larger line of the filter. So, a slip on will work on the smaller line and the yellow in the link works for the larger line. Only tighten the threaded connection snug then a slight turn. No need to crank it down as you might cause damage.
    Once off, blowing into the threaded end will allow the debris to come out so you can see just why they should be changed. The fuel was black as I did this and only at 70k miles.

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