K 1500 Suburban 4WD V8-393 6.5L DSL Turbo (1994)
Cranking Speed Check
Tools required: J26999 Compression Gauge
J26999-30 Compression Gauge Adapter
Cranking speed is critical for a diesel to start, either hot or cold. Some tachometers are not accurate at cranking speed. Below is an alternative method of
checking cranking speed or determining the accuracy of a tachometer.
1.
Screw J26999-30 into any cylinder and connect J26999 gauge.
2.
Disconnect the fuel solenoid fuse (F/SOL).
3.
Install the digital tachometer to be checked (if desired).
