Coolant Temperature Sensor (Cts)

1987 Chevrolet Step Van P20, 7.4 W, Automatic, 475/M40SECTION Coolant Temperature Sensor (Cts)

Locate coolant temperature sensor. Disconnect battery negative cable. Drain coolant below level of sensor. Disconnect electrical lead and remove sensor. Handle CTS with care to prevent damage to sensor calibration. To install, reverse removal procedure.

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:

  • 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.