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HOMESERVICE MANUALSMAZDA2006B4000 BASE, AUTOMATICREPAIR AND DIAGNOSISENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)COOLING SYSTEMWATER TEMPERATURE SENDING UNIT REMOVAL / INSTALLATION - 4.0L
2006 Mazda B4000 Base, Automatic

Water Temperature Sending Unit Removal / Installation - 4.0L

2006 Mazda B4000 Base, AutomaticSECTION Water Temperature Sending Unit Removal / Installation - 4.0L
  1. Disconnect the negative battery cable. See BATTERY DISCONNECT .
  2. Partially drain the cooling system. See ENGINE COOLANT REPLACEMENT - 4.0L  .
    Fig 1: Disconnecting Air Cleaner Outlet Tube
    G04307915Courtesy of MAZDA MOTORS CORP.
  3. Loosen the clamp and disconnect the air cleaner outlet tube.
    Fig 2: Removing/Installing Exhaust Manifold-To-Exhaust Gas Recirculation Valve Tube With Torque Specifications
    G04307916Courtesy of MAZDA MOTORS CORP.
  4. Loosen the fitting and disconnect the exhaust manifold-to-exhaust gas recirculation (EGR) valve tube.
    Fig 3: Removing/Installing Ignition Coil Bracket Bolts With Torque Specifications
    G04307917Courtesy of MAZDA MOTORS CORP.
  5. Remove the ignition coil bracket bolts.
    Fig 4: Removing Intake Manifold Bolts
    G04307918Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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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.