× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

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

HD OBD=2 diagnostic scanners/software
05/15/2024 in the HD/Fleet Forum
What are you using for diagnostics on big trucks ? Scanners/diagnostic software and are you happy with what you have ? Just in case he asks , can your stuff work with Cat or Cat powered trucks or equipment ? Thanks for your responses .
Kenworth ECAT Access
05/14/2024 in the HD/Fleet Forum
Looking to get access to KW ECAT, use shop key truck but they are useless on wiring diagrams. I already have access to Peterbilt ECAT and know the ins and out of paccar.net etc. Question is a KW dealer told me if we purchase DAVIE through them it would gi...
cruse in opp
05/13/2024 in the HD/Fleet Forum
[Driveability: 16 Freightliner MB Line 6.7L] this is a moter home. cruse does not set. PTO idle controll works. no codes, using diesel labtop scanner. all switches activate when trying to set cruse speed. engine brake is not on. no brake switches stuck o...
2012 Cummins ISL9, stall at first start of the day
05/11/2024 in the HD/Fleet Forum
This truck will start and run for 1-2 seconds before stalling. This only happens the first start of the day and only if the truck sits for 24 hours. On the second attempt the starter cranks for 1-2 seconds and it starts right up like normal. No codes in E...
WABCO Extended Accumulator Charging Time Corrected
05/10/2024 in the HD/Fleet Forum
[Brakes: 15 Ford F750 6.7L] SID: 57 SPN: 2580 FMI: 10 Front axle Wiring is all good at pump, voltage drop etc. no issues. Troubleshooting says to remove relay valve and check pump etc. Price on a complete new unit is $9,000 from Ford. Ford says they ...

Automotive Sponsored Discussion Forums