Diesel instructor gives advice for winter driving

January 28, 2014

From weau.com: “Cold weather brings diesel dangers” — Semi-trucks, plows and school buses are all in danger when the temperatures drop below zero.

Mechanics say the proper fuel and care by truck drivers could save valuable time and money, especially on days when we don’t see temperatures above zero.

“The biggest thing is the filters get plugged. Once the filter’s plugged, then we run out of fuel,” Chippewa Valley Technical College diesel mechanic instructor Rusty Naylor said.

“The diesel fuel will start gelling when it gets down around 0 degrees. Anything below that, additives have to be put in to keep the fuel from getting thick,” Mid State International Trucks service manager Tom Behling said.

“Drivers in this area, what we have most problem with, is people coming from the south. They’re coming up from Florida, Texas, they fuel up in Missouri, and then when they hit here, our climates 20 below (zero), plus. They don’t think about the fuel gelling. They don’t have a problem down south,” Naylor said.

Behling said his Eau Claire shop has seen more than 100 trucks come because of cold weather problems, twice what it saw last year.

“If they can drive the truck here, they can easily get out of here for a couple hundred dollars. You get towed in; you’re probably looking at $1,000 or more because towing gets expensive.”

He along with Naylor said there are things drivers can do to avoid diesel from gelling up.

“You need a blended fuel, that will drop the temperature at which this wax will develop … Also to that you have to put additives in,” Naylor said.

“This is a trial and error time. I’m looking at tomorrow morning myself, got good fuel, blended fuel; we’ll see what happens at 25 below zero.”

Naylor said if a truck starts, but power drops while driving, that could be a sign that diesel is gelling.

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