2009 Chevrolet T8500 Service and Repair Manual

This factory service and repair manual for the 2009 Chevrolet T8500 comes down to one build, F8B042, of the straight truck with its low tilt cab, powered by the turbocharged 7.8L diesel inline-six of 475 cubic inches. A single build and a single engine make for coverage without qualification: what the engine chapters specify is what the truck was assembled to, and the driveline, chassis, cab and electrical chapters describe that same vehicle with the torque values and diagrams the work requires.

Engines covered

• 7.8L inline-six (475 cu in) — turbocharged, diesel

Body styles covered

• Straight truck, low tilt

Trims covered

• F8B042

Known issues on the 2009 T8500. Trucks like this one are usually still working, and the manual is written for the shop that keeps them working. It supplies the diagnostic sequence for a diesel that starts hard, smokes or loses power, the tolerances that govern whether a component is serviceable, the cooling and lubrication requirements under load, the torque value for each fastener at installation, and complete wiring diagrams for the cab and chassis circuits.