Engine Block Heater Removal / Installation - 4.0L

WARNING: This page is about a different car, the 2007 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Block Heater With Torque Specifications

Courtesy of MAZDA MOTORS CORP.

With the vehicle in NEUTRAL, position it on a hoist. See LIFTING .
Drain the cooling system. See ENGINE COOLANT REPLACEMENT - 4.0L .
Disconnect the connector.

Fig 2: Disconnecting Connector
Courtesy of MAZDA MOTORS CORP.
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.
To install, reverse the removal procedure.

Fig 4: Block Heater With Torque Specifications

Courtesy of MAZDA MOTORS CORP.