Allroad Quattro V6-2.7L Turbo (APB) (2002)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
ABS Hydraulic Control Unit, Assembly Overview
ABS hydraulic control unit, assembly overview
Tightening torque for all brake lines on the Audi AS is 15 Nm.
1. Master brake cylinder and brake servo
2. Brake line
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Master brake cylinder/primary piston circuit to hydraulic control unit
3. Brake line
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Master brake cylinder/secondary piston circuit to hydraulic control unit
4. Brake line
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Hydraulic control unit to left-front brake caliper
5. Brake line
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Hydraulic control unit to right-front brake caliper
6. Suction dampers
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Designed to improve pressure build-up during operation of EDL