On Car Testing

1980 Triumph SpitfireSECTION On Car Testing

Perform tests at normal operating temperatures. Engine should be accelerated gradually to desired testing RPM and returned to lower RPM as soon as possible. Do NOT race engine.

CAUTION: Never disconnect battery or alternator leads while alternator is running. Reverse polarity or excessive voltage will severely damage the charging system.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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