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Thermostat Removal/Installation: Notes

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Remove and install all parts when the engine is cold, otherwise they can cause severe burns or serious injury.
  1. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION .)
  2. Remove the battery cover.
  3. Disconnect the negative battery cable.
  4. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  5. Remove the battery, battery box.
  6. Remove the secondary air control valve. (See SECONDARY AIR INJECTION (AIR) CONTROL VALVE REMOVAL/INSTALLATION .)
  7. Before positioning the drive belt out of the way, loosen the water pump pulley installation bolt.
  8. Position the drive belt out of the way. (See DRIVE BELT REPLACEMENT .)
  9. Remove the water pump pulley. (See WATER PUMP REMOVAL/INSTALLATION .)
  10. Remove in the order indicated. See Fig 1.
  11. Install in the reverse order of removal.
  12. Add engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  13. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION .)
    Fig 1: Removal Order Of Thermostat
    G01345685Courtesy of MAZDA MOTORS CORP.
    Fig 2: Removing/Installing Thermostat
    G01345686Courtesy of MAZDA MOTORS CORP.
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