Diesel Smell - Diesel Forum - TheDieselStop.com
'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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post #1 of 3 (permalink) Old 06-14-2005, 10:29 PM Thread Starter
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Diesel Smell

I am having a really bad diesel smell in the the cab of my truck. I have a late model 1999 Ford F250 with the 7.3 engine. It looks like it might be leaking around the passenger side. The passenger side fender always has oil coating on it. I cannot see where it is coming from. When you load the truck up the smell gets worse. Any ideas? [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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post #2 of 3 (permalink) Old 06-14-2005, 10:40 PM
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Re: Diesel Smell

Maybe your fuel filter "V" seal is leaking from under the cap. Also possible leak from the water drain valve on the back side of the filter. Mine did leak at the seal and filled the valleys in the Hell hole. Lately the filter seals seem not as good as they used to be.

2000 F350 7.3 SRW - BTS, Aux and V-10 trans cooler, coolant filter, fuel filler, line, and tank mods, Dahl 100 fuel filter, MagHytec diff cover, A-pillar 3 gages, WD exh brake, and other stuff.
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post #3 of 3 (permalink) Old 06-15-2005, 10:53 AM
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Re: Diesel Smell

Check both the filter cap [o-ring seal] and the drain valve under the filter. Prolly a leak. I neglected to properly seat the cap when I changed the filter and suffered through about 90 days of smelly diesel [ok by me, but my wife and dog had fits [img]/ubbthreads/images/graemlins/shocked.gif[/img]] from the 'spray' of diesel under the hood, despite repeated underhood [and vent intake] cleanings.

2002 F350 Supercab Lariat 4x4 7.3L 6 spd. B&W gooseneck, Prodigy brake controller, PAC exhaust brake, WARN manual hubs, Ford AIS, Bilsteins, Michelin LTX, Line-X bedliner, 203F t-stat, Cat ELC coolant, by-pass coolant filter.
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