Special Tools (Diagnostic)

1996 Chevrolet Chevy Express G3500, Van Passenger Extended, 4.3 WSECTION Special Tools (Diagnostic)

Special scan tools, plugged into the DLC, are used to read trouble codes, and check voltages in system on serial data line. Scan tools can save a great deal of time. Refer to scan tool instructions provided by manufacturer for further information.

RENDER: 1.0x

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Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.