Lower Seat Frame, Disassembling And Assembling
Special tools and workshop equipment required
- Engine And Transmission HolderVAS6095
- Engine/Transmission Holder - Seat Repair FixtureVAS6136
Disassembling the lower seat frame
- Follow all Safety Precautions when working with pyrotechnic components. Refer to PYROTECHNIC, ELECTRICAL AND MECHANICAL RESTRAINT SYSTEM COMPONENTS, SAFETY PRECAUTIONS AND TESTING PROCEDURES .
- Before handling airbag units (for example, disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
-- Remove the front seat. Refer to FRONT SEAT, REMOVING AND INSTALLING .
-- Attach the front seat to the Engine/Transmission Holder - Seat Repair FixtureVAS6136.
-- Remove the backrest. Refer to FRONT BACKREST, REMOVING AND INSTALLING .
-- Remove cover with seat pan upholstery:
- for standard seat. Refer to SEAT PAN COVER AND UPHOLSTERY, REMOVING AND INSTALLING .
- for sport seat. Refer to COVERS AND CUSHION, SPORT SEAT .
-- Disconnect the harness connectors if applicable.
Replace the Upper Seat Pan Frame
-- Remove the spring mat with the wiring harness from the upper seat pan frame. Refer to SPRING MAT WITH SEAT PAN WIRING HARNESS OVERVIEW .
Continuation: Upper or Lower Frame, Replacing
-- Remove bolts -1- (quantity: 3).
-- Remove the bolt -4-.
-- Remove the bolt -5-.
-- Remove upper frame -2- upward from lower frame -3- of the seat pan.
-- Be careful of bushings -1- in bearing points.
2 -
Lower Seat Frame
- Do not damage bushings -1- inserted in all bearing points when separating or disassembling upper and lower frame.
- The bushings cannot be replaced with workshop materials.
- If the bushings are damaged, the corresponding assembly parts must be replaced.
-- Remove Driver Seat Height Adjustment Motor -V245- or Front Passenger Seat Height Adjustment Motor -V246-. Refer to Driver Seat Height Adjustment Motor -V245- AND Front Passenger Seat Height Adjustment Motor -V246-, REMOVING AND INSTALLING .
-- Remove the Driver Seat Angle Adjustment Motor -V243- or Front Passenger Seat Angle Adjustment Motor -V244-. Refer to Driver Seat Angle Adjustment Motor -V243- OR Front Passenger Seat Angle Adjustment Motor -V244-, REMOVING AND INSTALLING .
Assembling the Lower Seat Frame
Install in reverse order of removal. Observe the following when doing so:
- Follow all Safety Precautions when working with pyrotechnic components. Refer to PYROTECHNIC, ELECTRICAL AND MECHANICAL RESTRAINT SYSTEM COMPONENTS, SAFETY PRECAUTIONS AND TESTING PROCEDURES .
- Before handling airbag units (for example, disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
-- Install removed Driver Seat Height Adjustment Motor -V245- or Front Passenger Seat Height Adjustment Motor -V246- in new lower seat pan frame. Refer to Driver Seat Height Adjustment Motor -V245- AND Front Passenger Seat Height Adjustment Motor -V246-, REMOVING AND INSTALLING .
-- Install the Driver Seat Angle Adjustment Motor -V243- or Front Passenger Seat Angle Adjustment Motor -V244- in the new lower seat pan frame. Refer to Driver Seat Angle Adjustment Motor -V243- OR Front Passenger Seat Angle Adjustment Motor -V244-, REMOVING AND INSTALLING .
-- Install the spring mat with the wiring harness in the upper seat pan frame. Refer to SPRING MAT WITH SEAT PAN WIRING HARNESS OVERVIEW .
-- Do not damage bushings -1- during further assembly.
- Do not damage bushings -1- inserted in all bearing points when separating or disassembling upper and lower frame.
- The bushings cannot be replaced with workshop materials.
- If the bushings are damaged, the corresponding assembly parts must be replaced.
Make sure the connectors are installed correctly and are secure.
Ignition must be on when connecting battery. If pyrotechnic components (for example, airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.
-- Switch on ignition.
-- Turn on the ignition and connect the battery ground cable. Refer to GROUND CABLE WITH Battery Monitoring Control Module -J367- FROM MY 09, REMOVING AND INSTALLING .
-- If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again using the Vehicle Diagnostic Tester.