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Old 07-13-2005, 11:11 AM   #1 (permalink)
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Date registered: Dec 2003
Vehicle: 1998 SLK 230, 2005 ML350SE
Location: Vancouver, Canada
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Changing the Fuel Filter

I couldn't find any info about the Fuel Filter location for the 1998 SLK 230.
Any info would be appreciated.
Also, ... how can you change the fuel filter? (i.e. at home)
My car has 67000 km (1998) and from what I read in other posts, .. I think it is time to change this filter !? right?


Cheers

Kaveh
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Old 07-13-2005, 01:03 PM   #2 (permalink)
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Vehicle: Golf R32 / Prev R170 SLK
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RE: Changing the Fuel Filter

Its under black plastic panel in front of r/h rear wheel parallel to ground.
Panel is held on with 2 nuts (dont overtighten on replacement.)

Filter is in a clamp in tandem with pump.
I reverse up onto ramps,
chock front wheels,
remove panel,
pinch hoses with brake pliers,
undo hose clamps (replace with normal fuel hose screw type)
Undo clamp screw,
remove/replace filter (some petrol will run out)
Replace correct way around.
(Loosen clamps a bit to let any crud in hose run out
before placing back on new filter)
Turn on ignition to bleed system.
Start engine
Check for leaks, stop engine
Replace panel. Do not strip nuts,
Clean up.

etc

bazzle

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Old 07-13-2005, 01:19 PM   #3 (permalink)
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RE: Changing the Fuel Filter

Use Safety glasses and depressurize the system.

*
And what Bazz said.
Although if you pinch rubber fuel or brake lines it will separate the plies and cause a weak spot.
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Old 07-13-2005, 01:23 PM   #4 (permalink)
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RE: Changing the Fuel Filter

what do you mean by "depressurize the system" ? how?

Cheers
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Old 07-13-2005, 01:29 PM   #5 (permalink)
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RE: Changing the Fuel Filter

Just loosen a clamp carefully. Petrol will spurt out for a second.

I dont clamp up tight, just enought to prevent fuel from running out.

Bazzle
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Old 01-29-2006, 05:57 PM   #6 (permalink)
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RE: Changing the Fuel Filter

Hello there.. just bringing up an old forum.. I bought a new fuel filter and had fitting for two hoses. An IN and an OUT. well when i went to change it the one on my 2001 230 had 4 hoses attached.. I went back to the autoshop and everything was correct. i went to a different auto shop and was the same thing.. only 2 spots for a hose IN and OUT. perhaps 2 of these hoses will not be needed.. but was not going to take any chances. any info will be appreciated. Thanks
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Old 02-02-2006, 05:17 AM   #7 (permalink)
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RE: Changing the Fuel Filter

Quote:
quest4mike - 1/29/2006 7:57 PM

Hello there.. just bringing up an old forum.. I bought a new fuel filter and had fitting for two hoses. An IN and an OUT. well when i went to change it the one on my 2001 230 had 4 hoses attached.. I went back to the autoshop and everything was correct. i went to a different auto shop and was the same thing.. only 2 spots for a hose IN and OUT. perhaps 2 of these hoses will not be needed.. but was not going to take any chances. any info will be appreciated. Thanks
The fuel filter I bought from the dealer had spots for all 4 hoses, I am pretty sure you want all 4. There are online parts stores that also sell fuel filters for cheaper than the dealer. Here is a link to one with pictures (I don't know why the price doesn't show) http://www2.discountmbparts.com/part...ilter&dp=false. You can see that all 4 hoses attach like on the original one you have.
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Old 02-21-2006, 10:51 AM   #8 (permalink)
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RE: Changing the Fuel Filter

You probably figured it out by now...but just in case, I noticed that the fuel filters listed on the link above for 98-00 have two connections while 01-04 have four. Probably another change made in 01

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Old 02-21-2006, 01:03 PM   #9 (permalink)
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RE: Changing the Fuel Filter

I've got one question that has been bugging me about this, the arrow for the fuel filter I bought points in the opposite direction as the old fuel filter. They look exactly the same, but the arrow tells me to insert it the other way from the stock filter. Do I just insert it in the original direction disregarding the arrow?
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Old 02-21-2006, 01:51 PM   #10 (permalink)
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RE: Changing the Fuel Filter

The arrow should be for fuel flow direction.

Bazzle
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