1983 Isuzu Impulse AutomaticFACTORY OEM SERVICE PROCEDURE

Load (Lock Torque) Test

Mount starter in a test stand to perform torque measurement test. Follow manufacturer's instructions for test stand operation. With voltage adjusted, ammeter reading and torque should be within specifications.

HITACHI STARTER LOAD TEST SPECIFICATIONS (1)

Application Maximum Amps Volts Torque Ft. Lbs. (N.m)
Impulse 200 9.1 3.4 (4.6)
P'UP
Gasoline 200 7.4 3.6 (4.9)
Diesel (2) (2) (2)
(1) At minimum turning speed of 1100-1200 RPM.
(2) Information not available from manufacturer.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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