Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) V6-2.8L (ATQ)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSBRAKE SIGNALBRAKE PRESSURE SWITCHSERVICE AND REPAIR
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)
Brake Pressure Switch: Service and Repair
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)SECTION Service and Repair
Sender 1 for brake booster -G201-, removing and installing
The brake pressure sender can be found on the hydraulic control unit -1-.
^ The hydraulic unit -1- is turned 180° on the W8.
This work sequence is for all vehicles, except with W8 engine:
^ Unscrew coolant expansion tank -2- and place to one side with coolant hoses still connected.
This work sequence is for vehicles w/W8 engine:
^ Unscrew power steering reservoir -3- and place to one side with hoses still connected.
Continued for all vehicles
^ Pull connector -1- off brake pressure sensor -2-.
^ Place lint-free cloths under the control module and hydraulic unit.
^ Remove brake pressure sensor.
Installing
Installation is carried out in the reverse sequence
Tightening torques:
Brake pressure sensor 20 Nm
Bleed brake system, Refer to Brakes and Traction Control, Brake Bleeding, Service and Repair
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.