Engine Block Heater Removal / Installation - 2.3L

Fig 1: Removing/Installing Engine Block Heater With Torque Specifications

Courtesy of MAZDA MOTORS CORP.

1. With the vehicle in NEUTRAL, position it on a hoist. See LIFTING .
2. Drain the cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L  .
3. Disconnect the connector.
   Fig 2: Disconnecting Connector

   Courtesy of MAZDA MOTORS CORP.
4. Remove the block heater.
   Fig 3: Removing Block Heater

   Courtesy of MAZDA MOTORS CORP.
   NOTE:

   • Do not loosen the screw more than necessary for removal.
   1. Loosen the screw.
   2. Twist and slide the block heater to release the retainer clip and discard the retainer clip.
   3. Remove the block heater.
5. To install, reverse the removal procedure.

Fig 4: Installing Block Heater With Torque Specifications

Courtesy of MAZDA MOTORS CORP.