This factory service and repair manual for the 2004 Chevrolet T6500 narrows to one engine and widens to two configurations. The engine is the turbocharged 7.8L inline-six of 475 cubic inches, a diesel; the configurations are F6B042 and T6F042, both straight trucks with low tilt cabs. With a single displacement, every clearance, service limit and torque value in the engine chapters applies without qualification, and the remaining sections cover the driveline, cab and electrical systems the two builds share.
Engines covered
- 7.8L inline-six (475 cu in) — turbocharged, diesel
Body styles covered
- Straight truck, low tilt
Trims covered
- F6B042
- T6F042
Known issues on the 2004 T6500. One owner complaint is recorded for this model year, and it names the electrical system. On a medium-duty truck that category covers a great deal of ground, from charging and starting through lighting and the instrument circuits, which is why the wiring diagrams in this manual are drawn to show each circuit end to end with its connectors, splices and grounds. Alongside them sit the diagnostic routines, component test procedures and the specifications and torque values for the engine and chassis work that surrounds them.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Showing the 8 most recent of 76 technical service bulletins on file with NHTSA.
THE SPEEDOMETER ON MY 2004, CHEV TAHOE IS ACTING ERRATIC. AT A STOP ITS SHOWING 85 MILE A HOURS AND I ALSO RAN OUT OF GAS THREE TIMES NOW. *TR
