Removal and Installation

WARNING:

Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.

CAUTION:

Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Disconnect the battery negative cable. .
Remove the air cleaner.
Remove the air cleaner outlet pipe.

Fig 1: Disconnecting Electrical Connector
Courtesy of MAZDA MOTORS CORP.
Disconnect the electrical connector.

Fig 2: Disconnecting Brake Lines
Courtesy of MAZDA MOTORS CORP.
Disconnect the brake lines.

Fig 3: Removing Bolt
Courtesy of MAZDA MOTORS CORP.
Remove the bolt.

Fig 4: Removing Bolts And HCU
Courtesy of MAZDA MOTORS CORP.
Remove the bolts and the HCU.

Fig 5: Removing Screws And Control Module
Courtesy of MAZDA MOTORS CORP.
NOTE:
- The 4x2 and 4x4 modules are not interchangeable. Before installing a module, verify its application.
Remove the screws and the control module, if necessary.
NOTE:
- Bleed the HCU after performing this procedure. .
To install, reverse the removal procedure.