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Old 12-25-2005, 09:42 PM   #1
d4ygl0
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Default How to change an fuel filter on an '02 wrx wagon

Ive searched and searched, but i just cant find a thread that specifically helps me do this...just that everyone says that its easy to do. Any tips or step by steps on how to change the fuel filter (OEM) people can point me towards would be great.

thanks.
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Old 12-25-2005, 09:49 PM   #2
Uncle Scotty
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sorry it's sideways
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Old 12-25-2005, 09:50 PM   #3
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fuel filters aare liftime items these days. why are you changing it on an 02'!??!
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Old 12-25-2005, 09:58 PM   #4
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Life time item? I never heard the fuel filter is good for life time.
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Old 12-25-2005, 10:07 PM   #5
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I used this:

Fuel Filter
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Old 12-25-2005, 10:17 PM   #6
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Not lifetime, the service interval for the external (not in-tank) fuel filters is 30K.
The procedure Scotty posted refers to releasing the fuel pressure, which should be done before removing the filter as follows-
Remove the gas cap. Under the passenger side kick panel next to the glovebox, look for a relay with a green plug (it's next to another one with a brown plug). Disconnect the green plug, that is the fuel pump relay. Crank the engine, it should start and die. Repeat until it cranks for several seconds without starting, do that a couple of times. Now you can remove the lines from the old filter, but keep a rag handy as there may still be some residual pressure left in the lines even after performing the previous steps. Also note that the lines may be difficult to remove from the filter, you might need to use a pliers to twist them off if they're stuck. Once off it's just a matter of removing the old filter and installing the new one.
With the new filter in place and the lines tightened up, plug the relay back in and put the gas cap back on. Turn the key from off to run a couple of times, and hold it there for several seconds, to run the fuel pump and prime the system. Then start the engine and check around the filter for any leaks.
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Old 12-25-2005, 10:19 PM   #7
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Quote:
Originally Posted by beefstuinit
fuel filters aare liftime items these days. why are you changing it on an 02'!??!
Ah, what? Fuel filters are FAR from lifetime items. Whoever gave you that advice stay clear.
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Old 12-25-2005, 10:33 PM   #8
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awesome guys thanks so much! ill be doing this tomorrow morning or the day after, so ill let you know how it goes.

thanks again
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Old 12-26-2005, 10:10 PM   #9
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I used the info from scoobymods. Piece of cake. Now if I can only find a place that sells shockproof gear oil.
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Old 12-27-2005, 05:33 AM   #10
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This is going to sound harsh and I dont mean it to be. If you need a 'how to' to change a fuel filter, you probably shouldnt be doing it.
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Old 12-27-2005, 09:30 AM   #11
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^^^That's crap because I didn't know how to change the oil in a car before I got my wrx...since then I have done, suspension, up, tbe, gauges, oil cooler, brake lines, and 30k service.

It's better to encourage people not discourgage them.
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Old 12-27-2005, 09:33 AM   #12
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d4ygl0...I used the instructions on Scoobymods. I did not empty the fuel system like others have suggested. When I disconnected the hoses a little fuel leaked out but not too much. The problem was that the filter itself was full of fuel and it spilled in my car on the way to dispose of it. If you have it, put a little grease on the new filter connections past the actual opening...it will make removing the hoses easier the next time. Good luck.
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Old 12-27-2005, 12:17 PM   #13
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...all I did to de-pressure the fuel system was remove the gas cap and went in to have lunch and did the filter after lunch......and 420 is right .....that damned filter holds a LOT of gas!!!!....be careful with it when ya get it loose 'cuz THAT is what leaks a lot of fuel....NOT the lines
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Old 12-27-2005, 04:37 PM   #14
BVM
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Quote:
Originally Posted by subaruwrx420
^^^That's crap because I didn't know how to change the oil in a car before I got my wrx...since then I have done, suspension, up, tbe, gauges, oil cooler, brake lines, and 30k service.

It's better to encourage people not discourgage them.
I encourage people to understand their limits and mechanical knowledge. If you cant undo 1 clip and three hose clamps without a technical guide, you should not be attempting to replace the fuel filter. PERIOD! Its FUEL, HIGHLY PRESSURIZED FLAMMABLE FUEL.... don't you understand? I have been a certified mechanic for 15 years. I have seen some really scary '@ home repair' jobs come in the shop. Tinkering with very complex late model cars when you don't have a clue what you are doing, puts not only yourself at risk, but anyone that comes in contact with your car on the road. Trust me, I bet every certified mechanic that is reading this is nodding their head in agreement.

edit because I know my post will be misinterpreted. I am not saying you have to be a certified mechanic to work on your car. I am saying that you really need to have a good idea of what you are doing.
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Old 12-27-2005, 05:59 PM   #15
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Quote:
Originally Posted by ryan_o
I used the info from scoobymods. Piece of cake. Now if I can only find a place that sells shockproof gear oil.
try summitracing
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Old 12-27-2005, 06:07 PM   #16
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I didn't bother with any complex depressuring tricks, just let it sit overnight and had no trouble. The hardest part is getting the hoses off the old filter. Be careful doing that so you don't damage the hoses.

Quote:
Originally Posted by BVM
I encourage people to understand their limits and mechanical knowledge. If you cant undo 1 clip and three hose clamps without a technical guide, you should not be attempting to replace the fuel filter. PERIOD! Its FUEL, HIGHLY PRESSURIZED FLAMMABLE FUEL.... don't you understand? I have been a certified mechanic for 15 years. I have seen some really scary '@ home repair' jobs come in the shop. Tinkering with very complex late model cars when you don't have a clue what you are doing, puts not only yourself at risk, but anyone that comes in contact with your car on the road. Trust me, I bet every certified mechanic that is reading this is nodding their head in agreement.

edit because I know my post will be misinterpreted. I am not saying you have to be a certified mechanic to work on your car. I am saying that you really need to have a good idea of what you are doing.

But there are some tips that useful to know, like those Mulder gave. What's wrong with asking for advice? Let's face it, a lot of auto work is actually pretty easy for anyone with some mechanical aptitude and decent instructions.
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Old 12-27-2005, 06:14 PM   #17
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Quote:
Originally Posted by Mike Wevrick
I didn't bother with any complex depressuring tricks, just let it sit overnight and had no trouble. The hardest part is getting the hoses off the old filter. Be careful doing that so you don't damage the hoses.




But there are some tips that useful to know, like those Mulder gave. What's wrong with asking for advice? Let's face it, a lot of auto work is actually pretty easy for anyone with some mechanical aptitude and decent instructions.
I agree Mike, I was responding to subaruwrx420's thats crap statement.
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Old 12-27-2005, 06:15 PM   #18
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....and I CAREFULLY used an awl pushed under the edges of the hoses and worked around the hardpiping on the filter to break the hoses loose.....it appears to me that there is some sort of adhesive used on the stock filter hardpipe/hoses.
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Old 12-27-2005, 06:20 PM   #19
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Quote:
Originally Posted by BVM
.....I am saying that you really need to have a good idea of what you are doing.
That's why I read and search and read more. All right here on this forum. I am by no means a mechanic but I think this is fairly simple to learn. I couldn't even point out the filter before I searched the subject.

Quote:
Originally Posted by hoodscoob
try summitracing
Thanks but I finally found some locally after calling 15 places.
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Old 12-28-2005, 02:31 PM   #20
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The thing that stumped me was disposal of the old used fuel filter. I finally called the county "household hazardous waste" center and found out that even here in eco-land, there's a big loophole:
as long as you drain out the liquid from the filter (gas from a fuel filter, oil from an oil filter), it is no longer considered hazardous waste and you can throw it in your normal trash! Of course, you still have to dispose of the liquid gas properly, but that's a lot easier.
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