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Automotive HD/Fleet Forum

Professional automotive forum for discussion of heavy-duty trucks, buses and other on- and off-road equipment, and maintenance of automotive fleet vehicles. Discussion topics include fuels and lubricants, hydraulics, performance, on-board diagnostics, powertrain, power distribution, anti-lock braking and stability control systems, and best practices as they relate to heavy duty and fleet maintenance. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the HVAC Forum.

Recent Automotive Discussions in the Automotive HD/Fleet Forum

About Diesel injectors.?
07/22/2019 in the HD/Fleet Forum
Hi this is just a question....! When CRDI engine just cranks should the injectors not leak any drops at all...?
a couple 6.4 ford ps questions
07/18/2019 in the HD/Fleet Forum
I very good customer brought in his friends 6.4L, 2010 f350 with a check engine light on. The friend is out of the state right now. He bought this at auction 2 years ago, and knows nothing of it's history. Odometer reads 30,000 miles. I ran koer and cmdtc...
burner issues Hino
07/17/2019 in the HD/Fleet Forum
[Driveability: 13 Hino 338 7.7L] We have a Hino with burner maintenance fault. Truck VIN [...]. Hook up Hino software and fault is 141F. When we go to troubleshooting, it has selection for 141b,141c and141d but no selection for 141F. We just purchased th...
no 4wd
07/16/2019 in the HD/Fleet Forum
[PowerTrain: 05 Ford E-350 Super Duty 6.0L] I have checked the fuses and looked at the transfer case plugs. I have no lights on the instrument cluster when I switch on the 4wd. I can not communicate with GEM, I tried a Snap-on and a Autel tool. Any sugg...
Need Wiring Diagram 2001 FL112 J74764
07/16/2019 in the HD/Fleet Forum
Hi. Anybody have a schematic for this beast? The AC in particular? Have a customer that wants a resurrection. Thanks in advance.

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