A6 Quattro Sedan V6-2.8L (AHA) (1998)
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ABS Hydraulic Unit: Description and Operation
ABS Hydraulic Control Unit Assembly, Overview
WARNING:
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Do not re-use any fasteners that are worn or deformed in normal use.
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Some fasteners are designed to be used only once, and are unreliable and may fail if used a second time. This includes, but is not limited
to, nuts, bolts, washers, circlips and cotter pins, Always follow the recommendations-replace these fasteners with new parts where
indicated, and any other time it is deemed necessary by inspection.
The tightening torque for all of the brake lines on the Audi A6 is 15 Nm (11 ft. lbs.).
1. Brake master cylinder and brake servo
2. Brake line
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Brake master 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
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To be discontinued gradually (will be incorporated in hydraulic control unit)
7. Brake line
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Hydraulic control unit to left rear brake caliper
8. Brake line
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Hydraulic control unit to right rear brake caliper
9. Nut
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10 Nm (7 ft. lbs.)
10. Bolt
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10 Nm (7 ft. lbs.)
11. Bracket
