Diagnostic Tools

1982 Chevrolet Chevette Base, 2D Hatchback, 1.6L Eng VIN C, Standard Trans, Trans Mfr CD MY1SECTION Diagnostic Tools
  1. The CCC system does not require special tools for diagnosis. A dwell meter, tachometer, test light, ohmmeter, digital voltmeter with 10 megohms impedance (minimum), vacuum pump, vacuum gauge and 6 jumper wires 6" long (1 wire with female connectors at both ends; 1 wire with male connectors at both ends; 4 wires with male and female connectors at opposite ends) are only tools necessary for diagnosis.
    NOTE: If dwell meter causes a change in engine operation when connected to M/C solenoid "DWELL" lead (green connector near carburetor), it CANNOT be used. The following tach/dwell models should not be used: G, GA, TDT 1, 2 or 5, 216 and 216/1.
  2. A test light, rather than a voltmeter, must be used when indicated by diagnostic chart.
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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.