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.
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HOMESERVICE MANUALSMERCEDES BENZ1993400EREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEMREMOVAL & INSTALLATIONHYDRAULIC UNITINSTALLATION
1993 Mercedes Benz 400E
Hydraulic Unit: Installation
1993 Mercedes Benz 400ESECTION Installation
To install, reverse removal procedure. Ensure hydraulic unit does not contact body. Connect brakelines to hydraulic unit. Bleed brake system. Check for leaks. Brakeline identification codes are as follows:
- Code "V" is master cylinder-to-front brake circuit line.
- Code "H" is master cylinder-to-rear brake circuit line.
- Code "l" is hydraulic unit-to-left front brakeline.
- Code "r" is hydraulic unit-to-right front brakeline.
- Code "h" is hydraulic unit-to-rear brakeline.
RENDER: 1.0x
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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.