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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

Loping right off of idle
08/13/2020 in the HD/Fleet Forum
[Driveability: 01 Dodge Ram 3500 5.9L] Guys: This 24 valve Cummins lopes right off of idle ( like a high performance gas engine), then clears up. Only happens at right above idle speed, then disappears. No fault codes? Put a adjustable Williams Controlls...
Dreaded Electrical Fault
08/13/2020 in the HD/Fleet Forum
[Electrical: 12 IC Corporation CE School Bus 6.4L] 2012 CE bus with MF7 and Allisson trans. Customer was driving it when speedometer quit and warning light came on and the electrical fault message. He drove it over before shutting off but then would not ...
John Deere Starter identification
08/12/2020 in the HD/Fleet Forum
We have a 5820 Silage cutter that needs a starter, and it seems to have several oprions when looking in the catalog lookup.... 37MT,42MT, Denso. I need to try to identify what I have, I have cleaned it, but no numbers. Is there a place that could help me?...
Injectors in a Maxxforce DT
08/11/2020 in the HD/Fleet Forum
Good morning every one we have a 2012 DT that we need to put injectors in can you guys give me some pointers and what to look for on this engine this will be the first one of this generation that we are doing we are getting a code for a bad coil on cyl nu...
2002 nissan transmission
08/10/2020 in the HD/Fleet Forum
any one had any luck talking to a 2002 ud truck vin # [...] ak65114 . In stalled Allison and get a check transmission light . Can not find round plug for trany any ideas where they may have hid it . I am going to pull right hand side of dash tomorrow.

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