Suspension Dump Switch on a Custom Truck: What It Does on the Freightliner M2
What the suspension dump switch on a Freightliner M2 does, how its LED shows full deflation, and why dumping air while rolling damages the air springs.
Buyer-side procurement notes
FleetSpec Bridge truck procurement notes
Practical questions for defining duty, comparing quotations and requesting exact-configuration evidence. Articles do not establish inventory, supplier approval or destination acceptance.
Parked Regeneration on a Custom Diesel Truck: M2 Manual Steps
Step-by-step parked regeneration for a Freightliner Business Class M2: exhaust placement, 150°F coolant, a five-second button hold, and how to read the HEST lamp.
Custom Truck Power Steering: Why Assist Quits on a Business Class M2
Sudden heavy steering on a Freightliner Business Class M2 means lost power assist. What the manual names, the order to check, and when to park it.
Inspecting a Custom Truck Before a Trip: Freightliner Business Class M2 Chassis Checks
A yard-by-yard pre-trip sequence for a custom truck on a Freightliner Business Class M2 chassis: which inspection set applies and how to call pass or fail.
Tire and Axle Ratings on a Freightliner Business Class M2 Custom Truck Chassis
Reading a Freightliner Business Class M2 tire and rim label, comparing fitted tire capacity, weighing each axle and checking Bridge Formula groups.