Checking vacuum hose to vacuum unit on exhaust gas recirculation cooler — AUDI

🧭 Before you start

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

• Renewed: leaking vacuum hose

🔧 Engine codes this applies to

📋 Procedure

1. Pull vacuum hose (2) off at central connection of exhaust gas recirculation cooler changeover valve N345.
2. Connect hand vacuum pumpVAS 6213 to removed end of vacuum hose and generate a partial vacuum of 0.6 bar.
3. Observe pressure gauge of hand vacuum pumpVAS 6213 for approx. 30 seconds.
4. Bring lock carrier into service position General body repairs, exterior50Lock carrier - bringing lock carrier into service position and moving it back.
5. Pull off vacuum hose (arrow 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 exhaust gas recirculation cooler .

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