A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Hydraulic Control Assembly - Antilock Brakes: Locations
Hydraulic unit and brake lines
1. Brake master cylinder and brake booster
2. Brake line
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Brake master cylinder/primary piston circuit to hydraulic control unit
3. Brake line
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Brake master cylinder/secondary piston circuit to hydraulic unit
4. Brake line
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Hydraulic unit to right front brake caliper
5. Brake line
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Hydraulic unit to left front brake caliper
6. Brake line
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Hydraulic control unit to left rear brake caliper
7. Brake line
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Hydraulic control unit to right rear brake caliper
8. Brake Pressure Sensor 1 G201
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Attached to hydraulic subframe
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Torque specification 20 Nm
9. ABS Hydraulic Unit N55 with ABS Control Module J104
10. Combi-nut
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Torque specification 9 Nm.
