LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical 6.5L Turbo Diesel - VIN [F] >> Adjustments >> Injection Pump Timing Adjustment >> Preliminary Information (Rotating Pump)

Preliminary Information (Rotating Pump)

Use Injector Pump Rotator (J-29872) to rotate pump. If you rotate the pump one millimeter, the timing changes by about 2 degrees. Correct timing is 3.5 degrees BTDC (before TDC).