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.
Brake line connections: Hydraulic control unit with ESP hydraulic pump
1999 Audi A6 BaseSECTION Brake line connections: Hydraulic control unit with ESP hydraulic pump
NOTE:
The following list refers to items in Fig 1.
- Brake line, left-front
- Brake line, right-front
- Brake line to charging pump of brake master cylinder/primary piston circuit
- Bracket
- Line union, 30 Nm
- Hose clamp
- Hose
- Hose clamp
- Suction line
- Brake line to charging pump
- Brake line to brake master cylinder/secondary piston circuit
- Protective sheathing
- Ring connection
- Only in vehicles with the new version
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.