After this, I replaced 3 fuel filters in 4 months and the oil + filter after 2500kms twice. There is still some speculation about this, but after speaking with several diesel mechanics, namely Rankin Diesel in bayswater, Victoria (ring and ask them what ULSD does to older diesel systems), i chose to run biodiesel, either B20 or B100. The lower sulpher content dramatically reduced the lubricity properties and hence was a "dryer" fuel, which in turn ate away at the old rubber seals in the older diesel injector pumps, as evidenced by after 4 months of running the new fuel, a previously perfect fuel injection system was now dripping fuel out of the pump. Transporter mentions that he's a diesel mechanic so would understand the problems for older engines in relation to this new fuel. Why is this relevent? Just after I bought the truck, Australian standards stipulated that the current diesel was to be replaced by the new ULSD, or Ultra Low Sulphur Diesel. Nothing like the current crop of common rail and high pressure electronic injection systems. I used to own a Toyota 4x4 with a 2.4 turbo diesel. I have read through this thread with great interest, and read the articles that Transporter has also posted, alot of good technicla data in there!!īUT, in reference to a few of gldgti's points:
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