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 MANUALSAUDI1996A4 BASE, STANDARDREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGSTEERING SYSTEM - POWERSYSTEM TESTINGPOWER STEERING PUMP TEST1.8L TURBO (ENGINE CODES AEB, ATM & AWM)
1996 Audi A4 Base, Standard
1.8L Turbo (Engine Codes AEB, ATM & AWM)
1996 Audi A4 Base, StandardSECTION 1.8L Turbo (Engine Codes AEB, ATM & AWM)
- Pinch off suction and return lines using 3094 hose clamps. See Fig 1 .
- Disconnect pressure line from power steering pump. Screw VAG1402/3 adapter into power steering pump in place of banjo bolt. See Fig 2 . Close pressure gauge shutoff valve (lever set to left). Remove 3094 hose clamps.
- Start engine and top off fluid in reservoir (if necessary). Measure pressure reading at idle speed. Specified value should be 1595-1740 psi (110-120 bar).
- If specified value is not attained, check hydraulic fluid level. See FLUID LEVEL CHECK under LUBRICATION. Check steering system for leaks. Bleed steering system. See STEERING SYSTEM BLEEDING under BLEEDING. If necessary, replace steering pump. See POWER STEERING PUMP under REMOVAL & INSTALLATION.
NOTE:
DO NOT measure pressure for longer than 10 seconds while engine is running.
RENDER: 1.0x
NO RELATED
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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.