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Home >> Mazda >> 2003 >> B2300 Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Controls [Removal & Installation] >> Engine Sensors & Switches >> Engine Coolant Temperature Sensor >> Removal (B3000 & B4000)

Removal (B3000 & B4000)

  1. Disconnect negative battery cable.
  2. Partially drain the cooling system.
  3. Disconnect Engine Coolant Temperature (ECT) sensor harness connector.
  4. Remove the ECT sensor. See Fig 1 or Fig 2.
  5. To install, reverse removal procedure. See TORQUE SPECIFICATIONS .
Fig 1: Removing & Installing ECT Sensor - B3000
G00256141Courtesy of MAZDA MOTORS CORP.
Fig 2: Removing & Installing ECT Sensor - B4000
G00256142Courtesy of MAZDA MOTORS CORP.