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#1
12-19-2005, 12:39 AM
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Diesel filters, no tank strainers please.
This is for Diesel filters, primary and secondary, no tank strainers please.
The attached pictures are fuel filters from a 1984 300D W123. No documentation of when they where last changed. NOTE: I have added a shock dose of Biobor to the fuel tank as a precaution.
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ Last edited by whunter; 12-19-2005 at 12:50 AM. 
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#2
12-19-2005, 12:42 AM
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Secondary filter pictures
Secondary filter pictures
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#3
12-19-2005, 12:44 AM
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Those cars must have been fueled with pure junky diesel!
 I ran my prefilter over 1.5 years and took it off only to find it had not even a few flecks of stuff stuck in the screen, it had just gotten dirty on the outside! (I washed it off to find this out!)My new one (been in for 4-5 months so far) is still crystal clear after over 4.5k miles, nothing in the screen......buy at high-volume stations! Also, I've been using the same secondary filter for over 2 years, and I can still roar to 100+ mph no problem, fuel is a-flowin fine.  I'll bet there's practically nothing in it....maybe I'll change it next summer just to see whats in it....
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#4
12-19-2005, 01:47 AM
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Was that gunk the result of biodiesel 'cleaning' out the fuel tank?
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#5
12-19-2005, 08:20 AM
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Whunter your pictures of this stuff always amaze me. Tell me something. Is this stuff gritty to the touch or is it slimy?
 I have never seen it close up. I can't believe the poor fuel some people are getting. My plastic filter is still clear after 10k miles. My diesel tractors sometimes go for five summers on their filters.
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1983 300-D turbo 1985 300-D turbo 1959 Harley Panhead chopper 1929 Ford coupe restored I hang out with Boneheaddoctor at Schuman Automotive OBK#5 All liberals are mattoids but not all mattoids are liberal.
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#6
12-19-2005, 01:29 PM
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that looks
like fungi to me.
tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#7
12-19-2005, 01:49 PM
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Try the StarTron Diesel additive.
My filters were constantly getting gooped up, and since I put in the St DA. 1 month ago all filters are clear and dramatically different. No power loss or hestation since. It is available at West Marine or other marine supply stores! AA
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'87 924S '81 280SEL Sold -> 81 300SD - 93 300E w/ 3.2 85 300D- 79 300SD 82 300CD 83 300CD - CA 87 190E 5 spd 87 Porsche 924S "..I'll take a simple "C" to "G" and feel brand new about it..." 
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#8
12-19-2005, 01:57 PM
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Pure petro diesel only.
Quote:
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#9
12-19-2005, 01:58 PM
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Grit.
Quote:
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#10
12-19-2005, 07:33 PM
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Quote:
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#11
12-19-2005, 07:33 PM
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Crap From Bottom of Tank?
WOW, that looks bad. Looks like you got some of the crap from the bottom of the tank in the gas station. Many years ago, I was able to look inside a leaking diesel tank dug up from a gas station. I was amazed at the crap inside. This is why I go to fill up in stations that have recently replaced tanks, or those with high volumes like those near highways.
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#12
12-19-2005, 08:50 PM
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Five years
Five years with only oil change maintenance, nothing else.
Filling the tank at the worst possible low volume ghetto stations.
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#13
12-29-2005, 05:54 PM
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Adding links to related threads.
Adding links to related threads.
Spin-On Filter Replaced! - Pictures!! Spin-On Filter Replaced! - Pictures!!
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#14
12-29-2005, 07:05 PM
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Yep, looks like it was dirtier than I thought earlier!
My performance degrading just began to happen recently though.....so it did make it about 20k before needing to be replaced.....
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#15
02-04-2006, 05:12 PM
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Main filter with about 30-34k on the clock.
Changed it simply because I was tracking down a fuel system restriction...still looking for it...think it is the device that limits air to/fro the fuel tank vent  This filter has had WVO, biodiesel, and regular petroleum diesel ran through it... ...the goo looking stuff is the glue they use inside the filter. BTW Yes I do have the right socket (shallow and such) and whatnot to properly remove the tank strainer
Last edited by Brandon314159; 02-04-2006 at 05:18 PM.
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