Audi Q5: Driver/Front Passenger Seat Lumbar Support Adjustment Switch -E176-/-E177-, Removing and Installing
Removing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- Remove the seat side sill panel trim.
- Front seat manual. Refer to → Chapter "Sill Side Trim, Removing and Installing, Standard/Sport Manual Seats".
- Front seat power. Refer to → Chapter "Sill Side Trim, Removing and Installing, Standard, Comfort Seat, Sport Seat Power Seats".
- Disconnect the connector -4-.
- Remove the bolts -2-.
- Remove the lumbar adjustment switch -1- from the trim -3-.
Installing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
Install in reverse order of removal. Note the following:
- Route the wires as close to the connector -4- as possible.
Note
Make sure the connectors are installed correctly and are secure.
WARNING
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.
DANGER!
When working on vehicles with the ignition already switched on or that are ready to drive there is a danger of the engine starting unexpectedly and of being poisoned by gas in enclosed areas. Risk of body parts and/or clothing being clamped or pulled.
Perform the following before switching on the ignition:
- Move the selector lever into P.
- Activate the parking brake
- Turn off the ignition.
- Open the hood
- Connect Battery Charger -VAS5095A- to the battery jump start terminal.
- Turn on the ignition.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
Note
If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again → Vehicle diagnostic tester.
Seat Height Adjustment Motor, Removing and Installing
Removing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- Raise the seat to make it possible to pretension the torsion bar.
- Remove the front seat. Refer to → Chapter "Front Seat, Removing and Installing".
- Attach the front seat to the Engine/Transmission Holder - Seat Repair Fixture -VAS6136-. Refer to → Chapter "Front Seat, Mounting on Fixture for Seat Repair".
- Disconnect the connector -2- from the seat height adjustment motor.
- Remove the locking nut -arrow-.
Caution
Danger of damaging the threaded hole or the bushing in bearing point.
- The bushings cannot be replaced with workshop materials.
- If the bushings are damaged, the corresponding assembly parts must be replaced.
- A second technician is needed to be pushing on the seat via the backrest while removing the following screws.
- Remove the bolt -1-.
- Make sure the bushing -5- in the bearing point is not damaged.
- Remove the screw -3- and remove the seat height adjustment motor -4- from the bracket.
Installing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- When installing the screw -1- a second technician must push down on the seat via the backrest.
- Make sure the bushing -5- in the bearing point is not damaged.
Install in reverse order of removal. Note the following:
Note
Make sure the connectors are installed correctly and are secure.
WARNING
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.
DANGER!
When working on vehicles with the ignition already switched on or that are ready to drive there is a danger of the engine starting unexpectedly and of being poisoned by gas in enclosed areas. Risk of body parts and/or clothing being clamped or pulled.
Perform the following before switching on the ignition:
- Move the selector lever into P.
- Activate the parking brake
- Turn off the ignition.
- Open the hood
- Connect Battery Charger -VAS5095A- to the battery jump start terminal.
- Turn on the ignition.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
Note
If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again → Vehicle diagnostic tester.
Height Adjustment Motor, Removing
Note
Before removing the seat height adjustment motor, check the electric and electronic components as well as the wiring to prevent any unnecessary repair costs. Refer to → Wiring diagrams, Troubleshooting & Component locations.
Remove if the seat height adjustor motor is faulty
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, disconnecting the 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 → Chapter "Front Seat, Removing and Installing".
- Attach the front seat to the Engine/Transmission Holder - Seat Repair Fixture -VAS6136-. Refer to → Chapter "Front Seat, Mounting on Fixture for Seat Repair".
- Disconnect the connector -4- from the seat height adjustment motor.
- When removing the screw -6- a second technician must push down on the seat via the backrest.
- Remove the screws -2 and 5- and remove the seat height adjustor motor -3-.
- Remove the locking nut -arrow-.
- Rotate the spindle -1- backward until the screw -7- is accessible.
- Remove the screw -7- for the spindle nut and remove the nut.
Installing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- Install the seat height adjustor motor.
