2007 GMC C5500 Topkick Service and Repair Manual

This factory service and repair manual for the 2007 GMC C5500 Topkick lists four body configurations against six trim codes: the 2-door conventional cab and chassis, the crew cab and chassis, a plain cutaway and a cab and chassis cutaway. Two engines were available, a turbocharged 6.6L overhead-valve V8 diesel displacing 403 cubic inches and a naturally aspirated 8.1L overhead-valve V8 gasoline engine displacing 496 cubic inches. Whichever is fitted, the manual keeps the procedures, specifications, torque values, wiring diagrams and diagnostics for it grouped by system.

Engines covered

• 6.6L V8 (403 cu in) — OHV, turbocharged, diesel
• 8.1L V8 (496 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door cab & chassis, conventional
• Cab & chassis, crew cab
• Cutaway
• Cab & chassis, cutaway

Trims covered

• C5C042
• C5C044
• C5E042
• C5E044
• C5U042
• C5V042

Known issues on the 2007 C5500 Topkick. Three recalls appear on the federal record for the 2007 C5500 Topkick, and each one concerns hardware mounted onto the truck. A protection diode in a wheelchair-lift interlock could be destroyed by a voltage spike, leaving the vehicle drivable with the lift extended. A defective heater element in a ceiling-mounted air conditioning unit could smoke or throw sparks and start a fire. A rear air suspension's lateral control bracket could crack and degrade handling. A single owner complaint is also recorded. Circuit routing, suspension and chassis work all fall inside this manual's diagrams and procedures.