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Old 06-25-2003, 11:31 PM
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Join Date: Mar 2002
Location: Round Rock Texas
Posts: 137
I learned to change the fuel filter

After ignoring a few low power moments in my 300D, she finally just shut down and waited till I put on the new inline filter I had in the glove box.

The good part is, once the filter was on a couple pumps of the primer and we were off again.

I have a friend at the parts counter of the local dealership, those OEM filters look a little thin, I usually use the clear bosch.

84 300D 251K
87 190DT 281K - Sold
06 Ford Escape 172K
94 Ford Ranger 250K
99 Chevy Suburban 181K
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Old 06-26-2003, 12:31 AM
BoostnBenz's Avatar
Benötigt Mehr Druck!
Join Date: Aug 2002
Posts: 1,855
Wow that must of been awful clogged, better change your spin on as well. I've never had to prime the pump before, I just fill the spin on before installing it, and let the air purge itself out after changing the pre-filter. For only a dollar or two I keep those changed quite regularly, I'm pleased after 4k miles my clear filter is almost spotless.
Jeff M.
Mercedes W123 DIY pages are now located here.
1983 / 1984 300D Sold
2000 CLK430 Cabriolet ~58k Sold
2005 Avalanche 4x4 ~66k
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Old 06-26-2003, 08:58 AM
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Join Date: Jan 2000
Location: PA
Posts: 5,440

And just think of all the tiny particles your filter is passing thru that it wouldn't pass if it was partially dirty. Think of it, the filter filters out the tiniest particles just before it is at the point where the holes in the filter medium will not pass the fuel molecules. That's when its time for a new filter.

Rderton replaced his primary filter at exactly the right time and does NOT need to replace the spin on filter.


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