Front Seat Back Frame Disassembly/Assembly (Us)

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Handling a seat equipped with a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the service information before handling a front seat equipped with a side air bag. (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
If the sliding mechanisms on both sides are not locked after assembling the front seat, it may move unexpectedly while the vehicle is driven, which could result in serious injury. After assembling the front seat, try moving it back and forth to verify that the sliding mechanism on both sides are locked. (Manual seat)

CAUTION:

After the front seat has been removed, if the slider lever is operated and the front seat is reinstalled with the left/right slide positions deviated, the adjuster unit could be damaged. After removing a front seat, do not operate the slider lever. (Manual seat)

Courtesy of MAZDA MOTORS CORP.

Verify that there are no malfunctions in the forward/back slide of the seat and in the adjuster unit after installing a front seat.
When performing the procedure with a front seat removed from the vehicle, perform the procedure on a clean cloth so as not to damage or soil the seat.
When the passenger's seat is removed, perform the seat weight sensor inspection using the M-MDS after installing the passenger's seat. (See SEAT WEIGHT SENSOR INSPECTION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
When the passenger's seat is replaced with a new one, perform the seat weight sensor calibration using the M-MDS. (See SEAT WEIGHT SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)

Remove the front seat belt lower anchor. (See FRONT SEAT BELT REMOVAL/INSTALLATION .)
Remove the front seat installation bolts. (See FRONT SEAT REMOVAL/INSTALLATION (US) .)
Switch the ignition off.
Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION (US) .)
Remove the front seat side cover. (See FRONT SEAT SIDE COVER REMOVAL/INSTALLATION (US) .)
Remove the front seat back component. (See FRONT SEAT BACK COMPONENT REMOVAL/INSTALLATION (US) .)
Remove the front seat back trim. (See FRONT SEAT BACK TRIM REMOVAL/INSTALLATION (US) .)
Remove the side air bag module. (See SIDE AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
Disconnect the lumbar support connector. (Power seat)

Disassemble in the order shown in the figure.

Courtesy of MAZDA MOTORS CORP.

PARTS DESCRIPTION

1	Spring A
2	Clip
3	Suspension mat
4	Spring B
5	Front seat back frame

Assemble in the reverse order of disassembly.