Rear CROSSMEMBER Removal/Installation: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Verify that the rear crossmember is securely supported by a jack. If the rear crossmember falls off, it can cause serious injury or death, and damage to the vehicle.

CAUTION:

Performing the following procedures could cause an open circuit in the rear ABS wheel-speed sensor wiring harness if it is pulled by mistake. Before servicing, disconnect the rear ABS wheel - speed sensor and set it aside so that the wiring harness will not be pulled by mistake.

NOTE:

Mark the position before removing the rear upper arm.
Align the rear crossmember and rear upper arm markings when installing the rear upper arm.
Tighten the rear upper arm inner bolt completely before installing the rear crossmember component to the vehicle.

Switch the ignition ON (engine off). (With electric parking brake)
Release the electric parking brake. (With electric parking brake)
Switch the ignition off. (With electric parking brake)
Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Remove the wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
Disconnect the wiring harness clips and connector installed to the rear crossmember. (With auto leveling sensor)

Fig 1: Locating Wiring Harness Clips
Courtesy of MAZDA MOTORS CORP.
Remove the auto leveling sensor. (See AUTO LEVELING SENSOR REMOVAL/INSTALLATION .)

Fig 2: Removing Auto Leveling Sensor
Courtesy of MAZDA MOTORS CORP.
Disconnect the rear ABS wheel-speed sensor wiring harness installed to the hub support and set it aside. (Without electric parking brake)

Fig 3: Removing Rear ABS Wheel-Speed Sensor Wiring Harness
Courtesy of MAZDA MOTORS CORP.
Disconnect the rear ABS wheel-speed sensor wiring harness and the electric parking brake motor gear unit connector and set it aside so that it does not interfere with the servicing. (With electric parking brake)

Fig 4: Removing Rear ABS Wheel-Speed Sensor Wiring Harness
Courtesy of MAZDA MOTORS CORP.
Jack up the vehicle to the unloaded condition, and support the rear trailing link component using a jack.

Fig 5: Supporting Rear Trailing Link Component Using Jack
Courtesy of MAZDA MOTORS CORP.
Align the rear crossmember component and rear upper arm and mark them.

Fig 6: Aligning Rear Crossmember Component And Rear Upper Arm
Courtesy of MAZDA MOTORS CORP.
Remove the TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Remove the rear lateral link. (See REAR LATERAL LINK REMOVAL/INSTALLATION .)
Remove the rear coil spring. (See REAR COIL SPRING REMOVAL/INSTALLATION .)
Remove the rear lower arm. (See REAR LOWER ARM REMOVAL/INSTALLATION .)
Remove the protector.

Fig 7: Protector And Bolts
Courtesy of MAZDA MOTORS CORP.
Remove in the order indicated in the table.
Install in the reverse order of removal. (See Suspension Links Installation Note .)
Inspect the wheel alignment and adjust it if necessary. (See REAR WHEEL ALIGNMENT .)

Fig 8: Exploded View Of Rear Stabilizer Component

Courtesy of MAZDA MOTORS CORP.

COMPONENT DESCRIPTION

1	Rear cross member component (See Rear Crossmember Component Removal Note .) (See Rear Crossmember Component Installation Note .)
2	Rear stabilizer component
3	Rear upper arm (See REAR UPPER ARM REMOVAL/INSTALLATION .)
4	Rear crossmember mudguard (See Rear Crossmember Mudguard Installation Note .)
5	Rear crossmember (See Rear Crossmember Component Installation Note .)
6	Insulator (U.S.A. and Canada)
7	Dynamic damper (U.S.A. and Canada)