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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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Sucking up dirt from the bottom of the tank myth?Views : 2055 Replies : 13Users Viewing This Thread : |
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Jan 10th, 2020, 17:26 | #11 |
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Last Online: Today 10:29
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Location: Belfast
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My S40 1.9d also had diesel bug. It never caused any running issues, but I did treat it with expensive marine diesel bug treatment. The tank was always brimmed at each fill, spending more time full than empty due to low mileage and frequent fuel top ups.
Diesel bug grows between diesel and water, so if there's water in your diesel tank then there's a risk of diesel bug developing. Condensation within vehicle fuel tanks and forecourt underground tanks can contribute to water contamination within diesel. I'd be more worried about water than dirt within a diesel tank. This is why you should periodically change your fuel filter or drain the filter bowl two or three times a year to remove any water build up. I once witnessed a farmer using the nozzle of a diesel pump to poke mud and dirt out from under his wheel arch after he had filled up. The next person to use that pump was at risk of introducing the dirt into their tank. Saying that, I've yet to see a tank on a light vehicle that you could describe as being badly contaminated with dirt. It's mostly heavy vehicles such as trucks, trains and buses that seem to accumulate more debris within their fuel tanks, most likely due to their exposed fillers.
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1996 850 T5 - Sold 2003 S40 1.9d - Sold 2004 S60 D5 |
Jan 15th, 2020, 04:03 | #12 |
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Last Online: Feb 20th, 2024 09:47
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Location: Weeting
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Been there, done that, only once so far, my latest laguna, cost me £200+20 fuel, was lucky i realised during filling....
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Regards, Bashy MY07 (56 plate) V70 Geartronic 2.4 D5 185bhp 173k, 17", full leather, an auto-dimming mirror and auto wipers are the best it can do - I have added (poorly) limo black, rear camera and parking sensors |
Jan 17th, 2020, 20:30 | #13 |
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Last Online: Oct 27th, 2021 23:16
Join Date: Aug 2014
Location: British South Somerset
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I run a boat out of Plymouth with a Volvo TAMD 41p 6 cylinder 6 ltr turbo diesel. Fantastically reliable smooth as silk and one of the last Volvo diesels that you can work on without a laptop. The issue I and many other marine diesels suffer increasingly from is 'Diesel Bug' It is caused by the increasing concentration of Bio elements added to the base diesel. It's called fame diesel (Fatty Acid Methyl Ester) and it is this the bug feeds on along with any moisture (water in the tank) It manifests itself as long strands of fine silk like gel which builds up and clogs the fuel filter and can ultimately starve the engine of fuel to a complete stop. Not good when mid Channel! Despite all diesel polishing products and tank washes it just comes back time after time. I am resigned to just replacing the primary fuel filter regularly. Not sure how much Bio if any is in road diesel but if there is and fuel rests in the tank for any length of time it could happen. Overwinter I brim the boat tank to minimise any space for condensation. Never had this issue in the traditional red diesel but it is a now a major issue and an expensive one. Lets hope it doesn't manifest itself in road diesel.
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XC60 VEA 181 2015MY SE Lux Nav Geartronic 8 speed Auto. 1962 LR S11a, 1970 Mk2 Vitesse Convertible. Maybe the Hokey Cokey is what it's all about! Last edited by Dash300; Jan 17th, 2020 at 20:32. |
Jan 17th, 2020, 21:36 | #14 | |
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