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Discussion Starter #1
I replaced the fuel filter on my '98 V6 Passat. Took about an hour and was relatively painless.
Figured I'd do my first write up since the only one I could find was for a 1.8t and had NO pics (I like pics).

*Fuel filter should be replaced every 60K miles*

Keep in mind: I am not an expert (nor claim to be) and I hold no responsbility for when you work on your car. This write-up is only to help fellow DIY'ers. Gasoline if flammable and dangerous, so please be aware of your workspace.

What will you need?

-10mm long socket
-Phillips Head Screw Driver
-OEM Fuel Filter
-Vice Grips and Rag
-5/16" fuel clamps (no holes!) (pic of mine are below)
-Sharp pair of pliers (or cutting tool)
-ramps (or jack stands)

Where to start?

1) Put the rear of your car on ramps (preferrably 2 piece ramps that come apart)
It will also help to have a cart with wheels to lie down on and to put jackstands as support.



2) Now look under the car at the torsion beam in the rear and you'll see a skid plate that stretches the width of the whole car.. That will have to come off for you to access the fuel filter. There are four 10mm bolts (that need a deep socket) and one phillips screw.




3) Once the cover is off, it's time to depressurize the system. Remove fuse #28 (little gas sign on your card) and crank the engine until it stalls. Crank it again for 3 seconds and you're done. Now go back under the car, you will be able to see the rusted fuel filter in front of the right rear wheel.


5) Remove the two bolts in the picture above and remove the clamp. The filter will hang freely now. Take your Vice Grips and clamp down the hose coming from the gas tank with a rag around the hose (to protect it).


6) Now you want to take your Pliers (or sharp cutting tool) and cut the tops off the clamps. Do this slowly because you do not want to hurt the hose. Twist the hose off (with pliers if you need) and let the gas drain into a pan.
**You may want to wear latex gloves to avoid exposure to gasoline on skin**

Old filter and decapitated clamps:


New Clamps: (from pep-boys for 3 bucks...pack of 4)


7) Now install the new filter with the arrow going the same way (pointing towards front of car). Clamps should be TIGHT to prevent leaking. You won't hurt the hose if you bought the same clamps as I did.


8) Replace the #28 fuse and turn the key to the on position a couple of times (to try and repressurize the system). Start engine to see if there are any leaks (may stall, but will start up normal after a 2nd or 3rd attempt). Look back at the clamps on the fuel filter: If no leaks... then install bracket. If leaking then tighten more.

You can replace the 2" rubber fuel line (on the left), but mine looked fine.

9) Put back on skid plate and feel the clean fuel running through your cars veins...

This should be done every 60K miles. I waited till 90K and I had a clogged injector a few months ago. Using Fuel Injector Cleaner (like Techron) every 6-10K miles is a great way to keep your system clean.

Enjoy the write-up and I hope it helps people on future projects...
(Let me know if you have any questions)
 

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RETIRED Super Stealth Moderator
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I'm gonna leave this one here for a bit, but it's going into the info base forum, as PVP's write up has lost all it's pix.
 

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Fore!
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Great write up! Now that you reminded me I'm gonna put in that fuel filter I bought 2 years ago and shoved into a drawer somewhere, before I get my car down off the jack stands.:thumbup:
 

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Discussion Starter #6
what about moving it with a forwarding link?
I agree. :D If this gets in the info forum, I have more goodies to throw in there. I'm going to do a V6 timing belt write-up soon and an axle install possibly.

I just want to know that it's worth the effort to write these up with pics, so that people can find them in the info forum. :thumbup:

I'm trying to give back to PW for helping me with info and quick responses for the past 5 years (saving me thousands).

:usflag:Thank you PW!!!:usflag:
 

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In reverse, but chained to a tree.
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side note to add, be sur eto only use an oem fuel filter.
cracked open a FF from a third party company earlier today (00' jetta vr6 2.8) and it was the large ol' filter thing but had a tiny filter element inside, about maybe 2 inches in diameter, and a cylindrical height (of the filter inside, still) of an inch!


oh, and if you blow towards the direction of flow, you can feel how restricted it is. just thought it was cool being able to do that.
pour it reverse of flow and you can see the crap that gets lodged in it.
 

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Niiiiiice write up. The only thing I did different was I smeared the bolts that hold the fuel filter clamp (not the hose clamps) with anti-seize. I also put some on the bolt and nuts holding the rear belly pan in place. Those nuts and bolts were pretty rusty and I didn't want them rusting solid in the next 60,000 miles.
 

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2004 B5.5 Variant 1.8T
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23,567 Posts
PLEASE NOTE in regards to Step #5. While clamping the line shut will not hurt it, it is totally not necessary. A tiny amount of fuel will come out of the pump side of the line when removed. More will come out of the engine side of the fuel line.
 
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