A8L Quattro Sedan V8-4.2L (AKB) (2002)
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14. Hydraulic pump for traction control
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Also called the booster pump
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Removing and installing; Refer to ABS hydraulic unit.
15. Bonded rubber bushing, 2 Nm
16. Hexnut, tighten to 10 Nm
17. Brake fluid reservoir
18. Intake hose
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Mount at bracket with white paint markings.
19. Intake line
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Leads to hydraulic pump for traction control
20. Hose clamp
21. Bracket for brake lines
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Allocation of brake lines, Refer to Fig. 1
Fig. 1 Allocation of brake lines in bracket
1. Intake line, hydraulic pump for traction control to brake fluid reservoir
2. From hydraulic pump for traction control to master brake cylinder (primary piston circuit)
3. From ABS hydraulic unit to master brake cylinder (secondary piston circuit)
4. From ABS hydraulic unit to front right brake caliper
5. From ABS hydraulic unit to front left brake caliper