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Old 09-02-2009, 10:47 AM   #1
the_goat
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Fuel Filter

I've done some searching and can't find any information on where the fuel filter is located and how to change it. Can anyone help me out?
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Old 09-02-2009, 11:24 AM   #2
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Sadly enough to say..... there isn't one.
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Old 09-02-2009, 01:05 PM   #3
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There is a non serviceable filter that is part of the fuel pump assembly.
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Old 09-02-2009, 01:06 PM   #4
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Most newer cars have it integrated into the fuel pump module assembly.
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Old 09-02-2009, 01:58 PM   #5
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People are finding out the hard way. We are starting to replace fuel pump modules quite regularly because the filter is plugging up and you can not just buy the filter. At 200 to 400 a pop its a hard pill for most customers to swallow.

Last edited by canttouchthis; 09-08-2009 at 11:22 AM.
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Old 09-02-2009, 07:11 PM   #6
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holy cow! I might have to look into removing the filter from the pump and putting an inline filter in... what a great design.
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Old 09-08-2009, 09:17 AM   #7
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LOL, I learned the hard way except my old car had an inline filter. 60k miles later it plugged and burned the pump. Out 400 bucks. Sad that they did away with the inline filter that's easily accessible.
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Old 09-08-2009, 04:59 PM   #8
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Can we safely do away w/ the intank filter and do an inline filter on our cars? If so, is it as straight forward as that, or do we need to put some type of screen back over whatever is in our tank?
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Old 09-08-2009, 05:04 PM   #9
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That's odd that the GTO doesn't have an inline filter in addition to the tank filter. Both my 90 IROC-Z and 99 Cavy Z24 have inline and tank filters. I'm going to see if it's feasable to add one to my 06.
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Old 09-22-2010, 11:04 AM   #10
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Bump
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Old 09-22-2010, 03:20 PM   #11
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Quote:
Originally Posted by the_goat...View Post
I've done some searching and can't find any information on where the fuel filter is located and how to change it. Can anyone help me out?

Quote:
Originally Posted by Mikey340...View Post
Bump

Bump for what? Do you want a different answer than the ones provided?
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Old 09-22-2010, 05:16 PM   #12
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Bump for what? Do you want a different answer than the ones provided?

LOL.

Good thing Fox didn't find this.
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Old 10-03-2010, 08:44 PM   #13
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Originally Posted by LSPWR...View Post
Can we safely do away w/ the intank filter and do an inline filter on our cars? If so, is it as straight forward as that, or do we need to put some type of screen back over whatever is in our tank?

Quote:
Originally Posted by BVGTO...View Post
That's odd that the GTO doesn't have an inline filter in addition to the tank filter. Both my 90 IROC-Z and 99 Cavy Z24 have inline and tank filters. I'm going to see if it's feasable to add one to my 06.


Mayb to see if anybody did something, besides, make stupid comments.
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Old 10-03-2010, 08:49 PM   #14
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Old 08-05-2011, 11:04 AM   #15
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Question...

What are the symptoms of a clogged fuel filter system?

I've been having some problems with, what I thought was my motor.

I've got a LS7 Clutch, Comp 448 cam, K&N RAM Air, I eat my own poo. headers, CAT deletes and a tune (twice) the car was runing like a champ for over a year and recently, I get some bogging mainly when I'm at idle, then when I try to drop the clutch and slam the gas, my enginer begins to stutter/bog down like it's about to slaul, I loose horible launching capability I've also noticed that if I'm in 4th gear @ about 35-40 mph and I stomp on the gas, it also bogs down a bit, I thought it was my clutch but on some occasions it grabs and goes.

I run e3 spark plugs and don't put anything but mobile1 oil and oil filter. My neighbor who's a gear head, mentioned to check the fuel filter. I want to take it into the dealership cause I paid for the 6 year plan just to see if they can evaluate the problem, but I'm afriad they'll give me the cold should simply cause I've done alot to the car.
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Old 08-05-2011, 11:51 AM   #16
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Quote:
Originally Posted by Calimann...View Post
What are the symptoms of a clogged fuel filter system?

I've been having some problems with, what I thought was my motor.

I've got a LS7 Clutch, Comp 448 cam, K&N RAM Air, I eat my own poo. headers, CAT deletes and a tune (twice) the car was runing like a champ for over a year and recently, I get some bogging mainly when I'm at idle, then when I try to drop the clutch and slam the gas, my enginer begins to stutter/bog down like it's about to slaul, I loose horible launching capability I've also noticed that if I'm in 4th gear @ about 35-40 mph and I stomp on the gas, it also bogs down a bit, I thought it was my clutch but on some occasions it grabs and goes.

I had this same exact issue and it was in my tune. Mine only happened in the summer.
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Old 08-05-2011, 12:13 PM   #17
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I've always said that the replacement stainless steel Russell fuel line should have serviceable fuel filter.
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Old 08-05-2011, 12:22 PM   #18
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Quote:
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I had this same exact issue and it was in my tune. Mine only happened in the summer.

Thanks man, I thought my motor, gears or clutch were screwed. My guys is gonna charge me $125 for a diagnostic and dial in my tune. I hope this resolves my issue. I'll repost so we can get some trends going.

Thanks again for replying.
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Old 08-05-2011, 12:23 PM   #19
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I've always said that the replacement stainless steel Russell fuel line should have serviceable fuel filter.

If you bypass the in tank filter, you could add one easily.
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Old 08-05-2011, 12:26 PM   #20
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Originally Posted by ArthurJGuy...View Post
If you bypass the in tank filter, you could add one easily.

Why do you have to bypass the tank filter? Two filters are better then one?
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Old 08-05-2011, 12:28 PM   #21
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Why do you have to bypass the tank filter? Two filters are better then one?

What is the point of adding a serviceable filter if you cannot service the other one in line?
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Old 08-05-2011, 03:10 PM   #22
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What is the point of adding a serviceable filter if you cannot service the other one in line?

To protect the injectors.
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Old 08-05-2011, 08:42 PM   #23
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To protect the injectors.

You would still have a clogged, non serviceable filter, and have not solved anything.
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Old 08-05-2011, 09:15 PM   #24
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I've done some searching and can't find any information on where the fuel filter is located and how to change it. Can anyone help me out?

Holy old post batman!!
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Old 08-05-2011, 10:48 PM   #25
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After pulling my fair share of fuel filters ... really wish the GTO had a serviceable one. Every single one comes out pretty nasty (minus people who change them out regularly [rare]). And no, going to the top tier name brand stations doesn't mean jack ... still get plenty o' dirt in your shiet ...
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Old 08-07-2011, 09:25 AM   #26
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Back flushing the old filter in the fuel pump assembly may help the cause but I know when I yanked the pump assembly from his car to drop in a walbro that nothing but brown sludge poured out of the filter...we drained it back out and got it as clean as we could.

Hindsight being 20/20 I would have cut it open and cleaned it then plastic welded it back together.
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Old 08-07-2011, 09:45 AM   #27
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I once lost a pump do to an ingested metal shaving. ( Did a post mortem and discovered it inside the housing, wedged in)

So ideal would be a screen / mesh type filter at the pump inlet to protect the pump and an inline filter to protect the injectors. ( That's the way things used to be )
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Old 08-07-2011, 10:17 AM   #28
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50 micron > pump inlet

5-10 micron > pump outlet
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Old 08-07-2011, 03:19 PM   #29
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I put an entire fuel system in my car so that I can change my fuel filters easily.

Mistermike.... I ditched the 110fi pumps and went a1000, nothing but problems
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Old 08-30-2011, 06:40 PM   #30
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So ideal would be a screen / mesh type filter at the pump inlet to protect the pump and an inline filter to protect the injectors. ( That's the way things used to be )

We've got that. As others have pointed out, there is a filter after the pump. It has been labeled as non-servicable but that's not 100% accurate. It's true that you can't wash it out and you DO have to pull the tank to get at it but it IS replaceable and GM does offer it as a single part. The part # is 92146684 (thank you for the info LPE) and it looks like this:



Here's the bottom of it where you can see the filter media inside the kidney-bean-shaped portion:



If you search for the part # on Google and click the NalleyGMC website, you can see an exploded view of the whole fuel pump module. Though the part # appears to include 4 o-rings, you actually only get 3. I reused #9 because it doesn't appear to be under much pressure (in fact, I believe it is technically under slight vacuum).

Hope this helps the drop-in-pump crowd...
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