Audi A4: Front Suspension
Audi A4 (B9) 2016-2026 Service Manual / Chassis / Front Suspension
- Subframe
- Suspension Strut and Upper Control Arm
- Lower Control Arm and Ball Joint
- Wheel Bearing
- Drive Axle
- Special Tools
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Overview - Subframe
Subframe
Caution
There is a risk of damaging the threads on the subframe
threaded connection to the body.
The subframe bolts on the body must not be loosened or
tightened with an impact w
Subframe, Securing
Special tools and workshop equipment required
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Gearbox Support -T40173-
Locating Pins -
SEE MORE:
General Information - Multifunction Steering Wheel
The button is integrated in the steering wheel for easier
operation of infotainment, telephone and the navigation system.
On Tiptronic, rocker switches are also installed on the left and
right.
The Multifunction Steering Wheel Control Module -J453- (in
the right button) reads out the information
Hydraulic Pressure Sensor 1 -G545- and Hydraulic Pressure Sensor 2 -G546-,
Removing and Installing
Note
The Mechatronic remains installed.
WARNING
The system is under pressure.
The electronic ATF pump must be deactivated every
time before opening the transmission, and the hydraulic
pressure reservoir is drained.
Refer to
→ Chapter "ATF Pump, Deactivating and Draining
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