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International Automotive Technicians Network

Professional Automotive Discussion Forums

Technical, Shop Management, and Auto Industry Discussion

There are over 20 different automotive discussion forums in the iATN members only area, with 2.6 million messages and roughly 500 posts daily. You may discuss all manner of automotive topics with other automotive professionals in a threaded discussion format as shown in the screen below. The automotive discussion that takes place ranges from very technical in nature to repair shop management, automotive industry issues, and everything in between. Members upload waveforms, scan data, photos, videos and other documents and discuss them directly in forums. Below, your can see a sampling of the latest topics being discussed on iATN.

Recent Automotive Discussions in the Forums

Turbo Actuator
08/14/2025 in the HD/Fleet Forum
[Driveability: 15 Ram 3500 Laramie 6.7L] Apparently a company in Decatur, Alabama -City Diesel-makes a replacement turbo actuator that doesn't have to be programmed, it is automatic. Has anyone used one of these? Or , they also sell the whole turbo with ...
Tire Groover
08/14/2025 in the R.P.M. Forum
Regarding grooving dirt track tires, does anyone have experience that confirms Van Alstine groovers are worth the money (vs knock offs) ? Any preference for controls on the tool vs an inline box ? Thanks.
Orifice Tube clogs documentation
08/13/2025 in the HVAC Forum
Does anyone know if anyone documented clogged orifice tubes and what was the root cause. Seen some yellow, green, charcoal, etc. Wondering what is attributed to the colors, if contaminated refrigerant causes this, etc. Just curious. Web searched failed......
Parts/Tools
08/13/2025 in the HD/Fleet Forum
I will be retiring in a couple weeks. We were a Cummins midrange dealer for 35 years and a Ford Dealer until 1998. They are shutting the truck dep't down after i leave so we have a bunch of parts and tooling we are selling. I have a usb drive of the Cummi...
2001 Mack MR Idle Up Issues With Leach Packer Body 2RII
08/13/2025 in the HD/Fleet Forum
[Electrical: 02 Mack MR MR600K] Have this unit that came in, municipality garbage truck. Their own mechanic worked on it and messed with all the wiring under the dash for the idle up system. Truck originally came in for idling high with no fuel pedal res...

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