Featured 6.2L/6.5L GM Diesel Service & Repair Tech
Step-by-step guide to replacing the glow plugs on a 6.2L or 6.5L GM diesel. Covers both naturally aspirated and turbocharged engines, which feature the same glow plug system.
How to service the cooling system on a 6.5L GM diesel, including a coolant flush, radiator hose replacement, and thermostat replacement. Additionally, gain insight into converting from GM's pink engine coolant to a more resilient, maintenance free ELC.
Information regarding PMD/FSD relocation. The location of the Pump Mounted Driver is a serious flaw found on all 6.5L turbodiesels. While there are various relocation options, we outline one of the more popular techniques.
Step-by-step guide to testing and reading the fuel pressure on a 6.5L diesel. The engineers at General Motors were kind enough to place a dedicated port on the engine where air could be bled from the fuel lines and the fuel pressure could be tested with ease.
How to drop the fuel tank and replace the in-tank sending unit filter, also referred to as the fuel tank sock or strainer. The fuel tank sock is one of 3 filters found on the 6.5L diesel and can cause a low/no fuel pressure condition should be become clogged.
How to service the New Venture NV4500 5 speed manual transmission, including important information about this transmission's strict fluid specification(s).
How to service the Dana 80 rear differential. The Dana 80 is a heavy duty, high capacity, full floating rear differential found on select trucks equipped with the 6.5L GM diesel in addition to many applications by other automakers.
How to disassembly and rebuild the king pin front axle on C3500HD model trucks. The king pin rebuild includes new bushings, bearings, and all new hardware.