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Dirty Fuel Filter????

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Old Dec 3, 2006 | 03:41 PM
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Default Dirty Fuel Filter????

Anyone know where the fuel filter might be on my 05/C6?
I've notice, in the last 2 days, about 1/2 second of pinging when stabbing the gas around 3000-3500 rpm......I'm thinking it might be a dirty fuel filter....
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Old Dec 3, 2006 | 04:27 PM
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Originally Posted by sbk2005
Anyone know where the fuel filter might be on my 05/C6?
I've notice, in the last 2 days, about 1/2 second of pinging when stabbing the gas around 3000-3500 rpm......I'm thinking it might be a dirty fuel filter....

I beleive it is "inside" the fuel tank! Chevy says they don't need changing which is a bunch of BS.
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Old Dec 3, 2006 | 05:27 PM
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Originally Posted by 05_C6Z51
I beleive it is "inside" the fuel tank! Chevy says they don't need changing which is a bunch of BS.
I started a thread a few months ago, asking why the fuel filter "never" needs changing. Nobody knew.
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Old Dec 3, 2006 | 05:31 PM
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chevy says there are good for the life of the car.....it is a pain if you want to change it....
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Old Dec 3, 2006 | 05:32 PM
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Originally Posted by cbrf4i1
chevy says there are good for the life of the car.....it is a pain if you want to change it....
Why???
What makes this fuel filter so magical that it never needs to be changed ???


Anyone ???
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Old Dec 3, 2006 | 05:35 PM
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Originally Posted by Wayne88
Why???
What makes this fuel filter so magical that it never needs to be changed ???


Anyone ???
they are not magical....more like wishful thinking / marketing by chevy...
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Old Dec 3, 2006 | 11:34 PM
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I've always been a firm believer in changing fuel filters at the most every 20k-25k miles on other cars but the C6 doesn't allow for it without minor surgery. I'm assuming that it's a really good (and big?) filter to not need replacing after all those miles/years but I guess if one ALWAYS uses quality fuels and NEVER runs out of fuel or even runs it too low then it should be ok.
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Old Dec 4, 2006 | 12:09 AM
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Default I don't think the Filter would cause pinging

The only way this could happen is if the filter was so restricted that the car was running really lean. My guess is you got some fuel that just sucks. Get some premium from a different place and see if it goes away. I would think that a filter clogged so bad that it causes a lean condition would trip a code or something. Just my opinion.
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Old Dec 4, 2006 | 10:47 AM
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Originally Posted by LS1LT1
I've always been a firm believer in changing fuel filters at the most every 20k-25k miles on other cars but the C6 doesn't allow for it without minor surgery. I'm assuming that it's a really good (and big?) filter to not need replacing after all those miles/years but I guess if one ALWAYS uses quality fuels and NEVER runs out of fuel or even runs it too low then it should be ok.
All it takes is just 1 bad tank of gas.

My guess is that they make them differently than the old fuel filters.
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Old Dec 4, 2006 | 11:58 AM
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Originally Posted by Wayne88
All it takes is just 1 bad tank of gas.
True
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Old Dec 5, 2006 | 09:05 PM
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The fuel filter on GM gasoline vehicles has not been a "service" part for years. Check your maintenance schedule. The fuel pumps at major brand gasoline fuel stations (I recommend a Top Tier fuel supplier) have filters on the gasoline pumps. Therefore, the fuel tank should only receive clean gasoline, and the in tank fuel filter will not require servicing.
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Old Dec 6, 2006 | 02:30 AM
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Originally Posted by cbrf4i1
they are not magical....more like wishful thinking / marketing by chevy...

If anything I would think the opposit....... I can see it now, I go in for an oil change and the service advisor says "Well we suggest you replace a few things. You reached 10,000 miles and the fuel filter is strongly suggested. The filter is $8.95 but its located in the gas tank and will cost $470 in labor.....................plus tax"
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Old Dec 6, 2006 | 02:40 PM
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Originally Posted by calemasters
The fuel filter on GM gasoline vehicles has not been a "service" part for years.
My 9 year old motorcycle has this setup too, but it's a LOT easier to get to that one.
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Old Dec 6, 2006 | 03:18 PM
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Originally Posted by calemasters
The fuel filter on GM gasoline vehicles has not been a "service" part for years. Check your maintenance schedule. The fuel pumps at major brand gasoline fuel stations (I recommend a Top Tier fuel supplier) have filters on the gasoline pumps. Therefore, the fuel tank should only receive clean gasoline, and the in tank fuel filter will not require servicing.

Is that whats under those padded cylinders right below the nozzle? I always wondered what that was for.
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Old Dec 6, 2006 | 05:31 PM
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there is now a fine mesh screen in the filler tube to catch large debris before it enters the fuel tank and the filter in the pump is a very high capacity filter which can easly last a "lifetime of normal use"
but if it does need a new one it will be covered under warranty....
as an emission component...
if not covered by that your dealer can always goodwill the repair..
unless you are a di*k..

udriveslow
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Old Jan 4, 2007 | 04:18 PM
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GM is trying to help the dealers by creating another golden egg to get the dealers profits up by putting the filter in the tank, it seems GM does not want "do it your selfers" to maintain there own cars. Another eg., the transmission on the C6 A6 has to be put on a rack and a probe has to be inserted to check the fluid level. GM is too cheap to put in a plate cover in the trunk and a dip stick like the oil dip stick under the hood. Pretty soon they won't let us pull the hood latch and will remove the valve stems from the tires. Just joking, but we are going in that direction!
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Old Jan 4, 2007 | 07:07 PM
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Originally Posted by cbrf4i1
they are not magical....more like wishful thinking / marketing by chevy...
The Vega had a lifetime air filter.........
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Old Jan 5, 2007 | 03:27 AM
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Heres a pic of our fuel filter. I ditched it and put in a external Kinsler replaceble high flow unit.


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Old Jan 5, 2007 | 08:13 AM
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Yep, that's it, When I first got my car, the sender unit was bad on it, and they just replaced the whole pump unit, pump, filter, and sender board, which is attached to the pump assembly. I saw all the parts, and the gas filler tube is a large flexable tube, that has a 1/3rd ratchet attachment that can be popped off, with a fine screen in it to catch anything that might accidently be dropped into the fuel line, so it can be cleaned easily by the dealership. I was also looking when I hit 30,000 miles to replace my fuel filter and was told by my service writer, that the filter was not a servicable item, and had a service life of 250,000 miles when used with good gasoline.
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Old Jan 5, 2007 | 10:30 AM
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Originally Posted by calemasters
The fuel filter on GM gasoline vehicles has not been a "service" part for years. Check your maintenance schedule. The fuel pumps at major brand gasoline fuel stations (I recommend a Top Tier fuel supplier) have filters on the gasoline pumps. Therefore, the fuel tank should only receive clean gasoline, and the in tank fuel filter will not require servicing.
I agree...He may have gotten a bad tank of gas only because it's octane challenged.
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