Checking fuel delivery rate of fuel system pressurisation pump G6 — VW

🧭 Before you start

Fits: platform code 1F7

• Special tools named: VAS 6551/1
• Renewed: defective line

Don't miss

• Separate quick-release coupling (A) (completely black or with black marking) of fuel supply line. Detach push-on connectors
• The fuel pump is now activated for 30 seconds.
• Press in securing ring to release fuel line.
• Pull fuel supply line (black or black marking) (A) off fuel delivery unit. Separate connector coupling .

🔧 Engine codes this applies to

📐 48 workshop diagrams for CBAB

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Separate connection (A) from supplementary fuel pump V393 or fuel pump 2V277.
2. Separate quick-release coupling (A) (completely black or with black marking) of fuel supply line. Detach push-on connectors
3. Connect VAS 6551/1 pressure tester cable to fuel supply (A).
4. Guide open end of line into measuring container.
5. Connect diagnosis tester and perform the guided function "“Checking electric fuel pump(s)”". [Note: The fuel pump is now activated for 30 seconds.]

6. After fuel flow, read quantity of fuel delivered on measuring container. Specification: at least 1000 ml/30 s
7. Check fuel supply line between fuel pump and engine compartment for kinks, crushes or damage.
8. If necessary, renew defective line and repeat test.
9. If the line is not kinked, squashed or damaged, proceed as follows:
10. Remove rear bench seat General body repairs, interior72Rear seat; Removing and installing bench seat / individual seats.
11. Fold carpet to the side or forwards.
12. Remove cover from fuel delivery unit. [Note: Press in securing ring to release fuel line.]
13. Pull fuel supply line (black or black marking) (A) off fuel delivery unit. Separate connector coupling .
14. Connect VAS 6551/1 pressure tester cable to fuel supply (A).
15. Guide open end of line into measuring container.
16. Connect diagnosis tester and perform the guided function "“Checking electric fuel pump(s)”". [Note: The fuel pump is now activated for 30 seconds.]
17. After fuel flow, read quantity of fuel delivered on measuring container. Specification: at least 1000 ml/30 s
18. Check voltage supply and current draw of fuel pump.

Other VW procedures

• Removing and installing exhaust gas recirculation control motor 2V339
• TDI injection and glow plug system (4-cyl. 2.0 ltr. 4-valve common rail) — Filling and bleeding fuel system
• Removing and installing pressure differential sender G505
• Filling and bleeding fuel system
• Installing balance shaft assembly, new balance shaft assembly
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures