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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI1996A4 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSIS & TESTINGHYDRAULIC PRESSURE TEST
1996 Audi A4 Base, Standard
Hydraulic Pressure Test
1996 Audi A4 Base, StandardSECTION Hydraulic Pressure Test
- Remove one front wheel. Remove bleed screw from brake caliper. Connect and bleed Pressure Gauge Set (VW 1310). Press brake pedal until pressure gauge reads 725 psi (51 kg/cm2 ). Hold pedal firmly. If pressure drops more than 58 psi (4 kg/cm2 ) in 45 seconds, replace hydraulic modulator. If pressure drop is less than 58 psi (4 kg/cm2 ), release pedal. Go to next step.
- Press brake pedal until pressure gauge reads 87 psi (6 kg/cm2 ) and hold firmly. If pressure drops more than 14.5 psi (1 kg/cm2 ) in 3 minutes, replace hydraulic modulator.
NOTE:
Following tests must be performed in numbered sequence. Battery LED should stay on during all tests. If light goes off, check voltage supply circuit.
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.