Exploded View

Exploded View

1.	Headrest	2.	Headrest holder (locked)	3.	Headrest holder (free)
4.	Seat cushion inner finisher (LH)	5.	Seat cushion inner finisher (RH)	6.	Reclining lever escutcheon inner
7.	Reclining lever bracket	8.	Reclining lever escutcheon outer	9.	Slide finisher
10.	Seat cushion outer finisher (RH)	11.	Recline lever finisher	12.	Occupant classification system sensor
13.	Occupant classification system harness	14.	Occupant classification system control unit	15.	Occupant classification system control unit bracket
16.	Seat cushion frame assembly	17.	Seat cushion outer finisher (LH)	18.	Seat back frame assembly
19.	Seat cushion pad	20.	Seat cushion trim	21.	Seatback pad
22.	Seatback trim	A.	Side air bag module (not serviceable)	B.	Refer to Removal and Installation

Disassembly and Assembly

Disassembly and Assembly

SEATBACK ASSEMBLY

Warning:

Do not leave any objects (screwdrivers, tools, etc.) on the seat during seatback repair. It can lead to personal injury if the side air bag should accidentally deploy.

CAUTION:

• Before servicing, ignition switch OFF, disconnect both battery terminals and wait at least three minutes.

• Handle the side air bag module carefully. During disassembly, always hold the side air bag module, do not let it hang by the wire harness.

• Always work from the side or back of the seatback assembly, do not work in front of seat.

• Do not use air tools or electric tools for servicing the seat assembly.

• Replace the side air bag module if it has been dropped or sustained an impact.

• Do not insert any objects into the side air bag module.

• Do not attempt to disassemble the side air bag module.

• Do not expose the side air bag module to temperatures exceeding 93°C (200°F).

• Do not expose the side air bag module to any oil, grease, detergent or water.

• During disassembly, do not damage the seatback board, chutes, connectors, retainers, clips, module harness or the side air bag module.

Note:

If the Nissan Sentra vehicle has been involved in a collision and the side air bag module has deployed, the seat assembly must be replaced.

Disassembly

Remove the front seat assembly. Refer to Removal and Installation - Seat Assembly.

Remove the headrest. Refer to Exploded View.

Release the lower seatback trim retainer straps (D) from the bottom side of the seat frame assembly.

Using suitable tool, release J-hook (C).

Unzip the seatback zippers (B).

Remove hog rings (A).

Release the headrest holder locks in order shown and remove the headrest holders.

: Front

CAUTION:

Before removing/installing the headrest holder, check its orientation (front/rear and right/left).

Disconnect the harness connector from the front seat heater (if equipped).

Using suitable tool, release heated seat harness retainers (if equipped) Note:

Take note of harness routing and attachment location for correct installation.

Using suitable tool, release the side air bag module harness retainers. Note:

Take note of harness routing and attachment location for accurate installation.

Release J-hooks (A) from the seat frame assembly.

Remove and discard the two side air bag module nuts (A).

CAUTION:

Do not reuse the side air bag module nuts.

Release the side air bag module studs from the seatback frame and lift the seatback trim and seatback pad as an assembly from the seat frame assembly.

Pull the side air bag module (1) out of the chute (A) and remove from the seatback trim.

CAUTION:

• Replace the seat if side air bag module has been dropped or sustained an impact.

  

• Do not strike the side air bag module.

Remove the hog rings and separate the seatback trim from the seatback pad.

: Hog ring

Note:

Remove all pieces of hog rings and discard them.

Assembly

Assembly is in the reverse order of disassembly.

CAUTION:

• When installing the front side air bag module, make sure the inner cloth (reinforcement cloth) is not caught in a bolt hole.

• Do not reuse the front side air bag module nuts.

• Do not tighten the front side air bag module nuts twice (prevent improper torque).

• Do not damage the front side air bag module harness.

• Always route side air bag module harness in original location. Replace any deformed or damaged clips with the same type and color. Always install clips in the original location in the harness.

• After installation is complete, check that no system malfunction is detected causing the air bag warning lamp to illuminate.

• If a malfunction is detected by the air bag warning lamp after repair or replacement of the malfunctioning parts, perform the SRS FINAL CHECK. Refer to SRS Final Check.

Note:

• Install new hog rings on the seatback trim in original positions.

  

• Use only one hog ring in each designated location.

• Make sure hog rings are correctly fastened around both the seatback trim and seat frame.

• Use NISSAN standard hog rings and tools to assemble.

• Smooth out all wrinkles during assembly.

SEAT CUSHION

Warning:

Do not leave any objects (screwdrivers, tools, etc.) on the seat during seat cushion repair. It can lead to personal injury if the side air bag should accidentally deploy.

CAUTION:

• Before servicing, ignition switch OFF, disconnect both battery terminals and wait at least three minutes.

• Always work from the side or back of the seatback assembly, do not work in front of seat.

• Do not use air tools or electric tools for servicing the seat assembly.

• During disassembly, do not damage the seatback cover, chutes, connectors, retainers, clips, module harness or the side air bag module.

Disassembly

Remove the front seat assembly. Refer to Removal and Installation — Seat Assembly.

Remove the seat cushion outer finisher. Using a suitable tool, release pawls and remove the lift lever finisher (1).

: Pawl

Using a suitable tool, release clip and pawls then remove the seat cushion outer finisher (1).

	: Metal clip
	: Pawl

From under the seat release seatback trim retainer strap from the seat cushion frame and reposition seatback flap.

Disconnect the harness connector from the cushion heater(if equipped)].

Using a suitable tool, release cushion heater harness retainer (if equipped). Note:

Take note of harness routing and attachment location for correct installation.

Using a suitable tool, release seat belt buckle harness retainer. Note:

Take note of harness routing and attachment location for correct installation.

Release the seat cushion trim J-clips then remove the seat cushion pad and seat cushion trim as an assembly from the seat frame assembly. Remove the seat cushion trim and seat cushion pad as an assembly from the seat frame assembly.

Separate the seat cushion trim from the seat cushion pad using the following steps. Remove the hog rings on the underside of the seat cushion trim and pad assembly. Remove the hog rings and separate the seat cushion trim from the seat cushion pad.

: Hog Ring

Note:

Remove all pieces of hog rings and discard them.

Remove the seat cushion outer finisher [LH (1)]. Remove bolt (A). Remove the seat belt buckle (2) and position aside. Refer to Exploded View. Using a suitable tool, release pawls and pull to release the metal clips.

	: Metal clip
	: Pawl

Assembly

Assembly is in the reverse order of disassembly.

CAUTION:

• Always route side air bag module harness in original location. Replace any deformed or damaged clips with same type and color. Always install clips in the original location in the harness.

• After work is completed, check that no system malfunction is detected causing the air bag warning lamp to illuminate.

• If a malfunction is detected by the air bag warning lamp after repair or replacement of the malfunctioning parts, perform the SRS FINAL CHECK. Refer to SRS Final Check.

Note:

• Install new hog rings on the seat cushion trim in original positions.

  

• Use only one hog ring in each designated location.

• Make sure hog rings are correctly fastened around both the seat cushion trim and seat cushion frame.

• Use NISSAN standard hog rings and tools to assemble.

• Smooth out all wrinkles during assembly.