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Heater Unit Removal/Installation

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  3. Remove the dashboard. (See DASHBOARD REMOVAL/INSTALLATION .)
  4. Remove the cooling unit. (See COOLING UNIT REMOVAL/INSTALLATION  .)
  5. Remove in the order indicated in the figure.
    Fig 1: Removing Heater Hose
    G01914671Courtesy of MAZDA MOTORS CORP.
    Fig 2: Heater Unit Components Removal Chart
    G01914672Courtesy of MAZDA MOTORS CORP.
    Fig 3: Removing Heater Unit Components
    G01914673Courtesy of MAZDA MOTORS CORP.
  6. Install in the reverse order of removal.
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