Home » Cummins ISX 3164001 Injector Leak Test Kit Alt.

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Tillman Tools

Cummins ISX 3164001 Injector Leak Test Kit Alt.

SKU: SLN0983-L
$142.99

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Cummins ISX 3164001 Injector Leak Test Kit Alt. (0983-L, AM-3164001)

This kit includes high-quality aftermarket alternatives for:

  • Test Adapter Plate
  • Barb Hose Fitting
  • Flexible Tube (Tygon - Diesel Resistant)

Applications:

  • Cummins ISX
  • Cummins Signature

Usage: The kit is used with a manometer to test injectors for leaks that cause slow shutdown or excessive run-on after key-off.

Test Procedure:

  • Leak Detection: Checks for combustion gas leaks through the injector rail check valve or other conditions allowing gas leakage into the fuel rail.
  • Backpressure Creation: When the engine is barred over, the piston on the compression stroke creates backpressure against the injector.
  • Pressure Measurement: If the rail check valve leaks, the air is pushed into the fuel rail. Pressure is sensed at the test fixture, replacing the metering actuator. A manometer connected to the test fixture measures pressure as air escapes through the leaking valve. Alternatively, using a container of water will show bubbles as air escapes.

Cylinder Identification:

  • The overhead set marks on the damper identify which cylinder is on the compression stroke, helping to pinpoint the malfunctioning injector if a change in manometer pressure or bubbles is observed.

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