Checking fuel tank breather, engine codes BDL, BKK — AUDI

🧭 Before you start

Fits: VW Transporter T5 (7H), VW Transporter T5 (7J), VW Transporter T6 (7E), VW Transporter T6 (7F)

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• Press in button on hose coupling to do this.
• Operate hand vacuum pumpV.A.G 1390 repeatedly. No vacuum must develop.

🔧 Engine codes this applies to

📋 Procedure

1. Pull breather line (1) off breather line in engine compartment. [Note: Press in button on hose coupling to do this.]
2. Connect vacuum testerV.A.G 1368 to free breather line via union »A«.
3. Connect hand vacuum pumpV.A.G 1390 to vacuum testerV.A.G 1368 connection »B«.
4. Set vacuum tester to position »A/B«.
5. Operate hand vacuum pumpV.A.G 1390 repeatedly. No vacuum must develop.

6. Check all lines, start at activated charcoal filter and work forwards to throttle valve module J338.
7. Pull breather hose (1) off connection (2) on intake manifold.
8. Connect hand-operated vacuum pumpV.A.G 1390 to connection (2) and operate pump several times.
9. heck breather hose (1) between throttle valve module J338 and breather line.
10. When doing this, observe the activated charcoal filter solenoid valve 1N80(2) is closed when not supplied with current.

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