Contents: Removal 🠛 Removal the seat height adjustment…🠛 Removal the backrest and seat…🠛 Installation 🠛 Features of installation of…🠛
Removal
Remove the seat and headrest.
Fig. 8.112. Seat adjustment handle
Note: Protect the seat height adjustment handle (using protective tape), give it a light blow with a wooden mallet (on the back of the handle), keeping the handle slightly raised (fig. 8.112).
Fig. 8.113. Unscrewing the front casing mounting screw: 1 – front mounting screw
Loosen the front cover mounting screw (fig. 8.113).
Fig. 8.114. Unscrewing the rear casing mounting screw: 1 – rear mounting screw
Loosen the rear cover mounting screw (fig. 8.114).
Remove the casing.
Removal the seat height adjustment mechanism
Set the seat cushion to the upper position (the spring is completely weakened).
Fig. 8.115. Removing the rivets of the seat height adjustment mechanism: 1 - rivets
Remove the seat height adjustment mechanism rivets (fig. 8.115).
Remove the mechanism and handle.
Disconnect the seat belt pretensioner connector.
Fig. 8.116. Removing the seat belt pretensioner fastening: 1 – connector; 2 – bolt
Loosen the seat belt pretensioner mounting bolt (fig. 8.116).
Fig. 8.117. Removing the headrest guide covers: 1 – lids
Remove the headrest guide covers (fig. 8.117).
Fig. 8.118. Removing the cover of the seat back lumbar support adjustment handle
Using a special tool (Cag. 1597), remove the cover of the seat back lumbar support adjustment handle (fig. 8.118).
Fig. 8.119. Removing the seat back lumbar support adjustment handle
Remove the lumbar support adjustment knob using a flat-blade screwdriver (fig. 8.119).
Fig. 8.120. Removing the casing: 1 – mounting screw
Loosen the cover mounting screw and remove the cover (fig. 8.120).
Disconnect the pretensioner connector.
Fig. 8.121. Removing the seat belt buckle mounting bolt: 1 – bolt
Loosen the seat belt buckle mounting bolt (fig. 8.121).
Fig. 8.122. Seat belt buckle
Note: To disconnect the connector, remove the screws securing both lock covers (fig. 8.122).
Remove the seat back upholstery.
Fig. 8.123. Removing the headrest guides
Remove the headrest guides (fig. 8.123).
Disconnect the wiring harness and the wire from the airbag terminal.
Fig. 8.124. Drilling out a rivet: 1 - rivet
Drill out the rivet (fig. 8.124).
Remove the airbag.
Disconnect the wire from the terminal.
Fig. 8.125. Disconnecting the airbag switch: 1 – switch
Disconnect the switch (fig. 8.125).
Remove the seat cushion upholstery.
Fig. 8.126. Removing the mesh of the seat back lumbar support adjustment mechanism
Remove the seat back lumbar support adjustment mechanism mesh (fig. 8.126).
Remove the drive cable housing retainers.
Fig. 8.127. Rivet of the seat lumbar support adjustment mechanism: 1 - rivet
Drill out the rivet of the seat lumbar support adjustment mechanism (fig. 8.127).
Remove the mechanism.
Fig. 8.128. Loosening the screw securing the seat adjustment handle in the longitudinal direction
Loosen the screw securing the seat adjustment handle in the longitudinal direction (fig. 8.128).
Remove the handle (the operation is similar to removing the seat back adjustment handle).
Fig. 8.129. Removing the locking mechanism drive cable
Remove the locking mechanism drive cables (fig. 8.129).
Remove the front cover.
Fig. 8.130. Removing the seat back lock rod
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Disconnect the seat back locking rod (fig. 8.130).
Remove the cable.
Fig. 8.131. Removing the cable sheath stoppers: 1 – stoppers
Disconnect the mesh and cable sheath stoppers (fig. 8.131).
Removal the backrest and seat cushion frames
Insert the metal rod through the frame hole on both sides, secure it with a belt if necessary.
Before continuing work, make sure that the rod is securely installed.
Fig. 8.132. Frame fastening bolts: 1 – bolts; 2 – metal rod
Unscrew the bolts (fig. 8.132).
Caution: Leave the rod in place when removing the seat.
Fig. 8.133. Removing the seat back frame: 1 – mounting bolts
Loosen the mounting bolts and remove the seat back frame (fig. 8.133).
Installation
Fig. 8.134. Cutting marks for the backrest locking mechanism bracket
Cut the backrest locking mechanism bracket along marks A and B (fig. 8.134).
Attention! Before starting the operation, make sure that the ring is securely fastened; if in doubt, pass the rod through both sides of the frame.
Preliminary and final tightening of frame fastening parts:
- pre-tightening torque of nuts 20 Nm;
- backrest mounting nuts 66 Nm;
- backrest mounting bolts 25 Nm.
Features of installation of anti-slip cushion
tighten the anti-skid cushion mounting bolts to the specified torque of 80 Nm.
Bolt tightening sequence:
- left front bolt;
- right front bolt;
- rear center bolt;
- rear right and left bolts.
The installation of the remaining components is carried out in the reverse order of removal.
Caution: Before installing the seat back cover, check that the Velcro fasteners on the seat back foam padding are securely attached.