Diagnose This! is a new regular feature in Truck Parts & Service. Each month we will present a real-life service scenario and provide clues as to what the ultimate diagnosis was. If you think you know the answer, be the first to e-mail [email protected] with the correct response for free Truck Parts & Service merchandise. The answer will be revealed in a future issue of the magazine.
This month’s Diagnose This! is submitted by ASE master technician and owner of Fleet Guardian, Damon Russell.
Vehicle: 1998 International 2600
Key components: Cummins N14 engine, Spicer PSO150-10S 10-speed transmission
Scenario: Transmission output bearing failure occurs shortly after truck was repaired for an engine shutdown issue while in PTO mode. Truck has a split-shaft PTO before the tandem and operates an air compressor which requires the truck to operate in ninth gear for PTO operation.
