Oil Pressure Switch B

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the front under cover No. 2. (See FRONT UNDER COVER NO. 2 REMOVAL/INSTALLATION .)
Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents.
Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
Remove the oil pan.
NOTE:
- Always use new oil pan installation bolts when re-installing the oil pan because the oil pan installation bolts cannot be reused.
Remove the oil strainer. (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
Remove the oil strainer O-rings. (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
Insert a precision flathead screwdriver and move it in the direction of the arrow to disconnect the oil pressure switch B connector as shown in the figure.

Fig 1: Disconnecting Oil Pressure Switch B Connector
Courtesy of MAZDA
CAUTION:
- Do not scratch the oil pressure switch B and oil pressure switch connector B with the precision flathead screwdriver.
- When disconnecting connectors, grasp the connectors, not the wiring harnesses. Otherwise, the wiring harnesses may be pulled out of the connector causing poor contact.
Remove the oil pressure switch B.

Fig 2: Removing Oil Pressure Switch B
Courtesy of MAZDA
Install the oil pressure switch B.

Fig 3: Installing Oil Pressure Switch B
Courtesy of MAZDA

Tightening torque

9-10 N.m {92-101 kgf.cm, 80-88 in.lbf}
Connect the oil pressure switch B connector.

Fig 4: Connecting Oil Pressure Switch B Connector
Courtesy of MAZDA
Install the new oil strainer O-rings. (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
Install the new oil strainer. (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
Apply a light coat of silicone sealant (TB1217E or equivalent) to the contact surfaces of the oil pan and transaxle case.

Fig 5: Applying Light Coat Of Silicone Sealant To Contact Surfaces Of Oil Pan And Transaxle Case
Courtesy of MAZDA
CAUTION:
- Clean any remaining silicone sealant on the contact surface of the transaxle case and oil pan, and degrease the sealant area. Otherwise, oil could leak.
Install the oil pan with new bolts before the applied sealant starts to harden.

Fig 6: Installing Oil Pan With Bolts
Courtesy of MAZDA

Tightening torque

8-10 N.m {82-101 kgf.cm, 71-88 in.lbf}
Add the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Perform the "Initial Learning" (oil pressure switch B Replacement). (See INITIAL LEARNING .)
Perform the "Mechanical System Test". (See MECHANICAL SYSTEM TEST .)
Install the front under cover No. 2. (See FRONT UNDER COVER NO. 2 REMOVAL/INSTALLATION .)