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 MANUALSAUDI2012S4 QUATTRO SEDAN (8K2) V6-3.0L SC (CCBA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSVACUUM SYSTEM, CHECKINGGENERAL, TECHNICAL DATA
2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)
General, Technical Data
2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)SECTION General, Technical Data
Vacuum System, Checking
Special tools, testers and auxiliary items required
• Hand Vacuum Pump (VAS 6213)
Procedure
- Check all vacuum lines in the vacuum system for:
• Cracks
• Damage caused by animals
• Crimps
• Leaks
- Check the vacuum line leading to and from the solenoid valve.
- If there is a fault stored in the Diagnostic Trouble Code (DTC) memory, check the vacuum lines for the named component, but also check all the vacuum lines.
- If using the (VAS 6213) does not produce any vacuum or if the vacuum drops again right away, then check the hand vacuum pump and the connection hoses for leaks.
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.