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.
Control Line To Turbocharger, Checking
- Disconnect the hose on the center connection on the wastegate bypass regulator valve -arrow in I- and on the turbocharger vacuum diaphragm -arrow in II-.
- Seal off the opening in the hose with a plug.
- Connect the hand vacuum pump VAS 6213 to the other end of the hose and generator a vacuum of 0.6 bar.
- Watch the pressure gauge on the hand vacuum pump for approximately 30 seconds.
- The vacuum must not drop.
If the vacuum drops:
- Replace the vacuum hose.
If the vacuum does not decrease:
- Connect all the vacuum hoses.
- Install the engine cover. Refer to ENGINE COVER .
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.