Checking vacuum hose to vacuum unit on turbocharger — AUDI

🧭 Before you start

Fits: VW Transporter T6 (7F), VW Transporter T6 (7E)

• Renewed: leaking vacuum hose, turbocharger

🔧 Engine codes this applies to

📋 Procedure

1. Pull vacuum hose (1) off at central connection of charge pressure control solenoid valve N75.
2. Connect hand vacuum pumpVAS 6213 to pulled-off end of vacuum hose (2) and generate a partial vacuum of 0.6 bar.
3. Observe pressure gauge of hand vacuum pumpVAS 6213 for approx. 30 seconds.
4. If fitted, remove noise insulation General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
5. Detach vacuum hose (1) from vacuum unit (2). Seal opening of vacuum hose with clean bung from engine bung setVAS 6122.

6. Connect hand vacuum pumpVAS 6213 to pulled-off vacuum reservoir and generate a partial vacuum of 0.6 bar.
7. Observe pressure gauge of hand vacuum pumpVAS 6213 for approx. 30 seconds.
8. Renew leaking vacuum hose.
9. Connect hand vacuum pumpVAS 6213 to vacuum unit and generate a vacuum of 0.6 bar.
10. Observe pressure gauge of hand vacuum pumpVAS 6213 for approx. 30 seconds.
11. Replace turbocharger .

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