Removing and installing fuel gauge sender 3G237: Audi A6 C5 (AFB, AFN, AJM, AKE, …)

🧭 Before you start

Fits: Audi A6 C5 (4B)

• Renewed: seal

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• The fuel tank must not be more than 3/4 full when removing fuel gauge sender 3 G237. Otherwise a large amount of fuel will escape. — Unscrew union nut using wrench2012 A.
• When removing, make sure you do not bend float arm of fuel gauge sender 3 G237.
• The (arrow) points in direction of travel.

🔧 Engine codes this applies to

📋 Procedure

1. Remove luggage compartment floor lining.
2. If necessary, fold forward right backrest of rear seat bench.
3. Remove left-side section of backrest (1/3 section) 72.
4. Remove left-side trim in luggage compartment and luggage compartment floor trim 70.
5. Detach cover for flange (left-side) (arrows).

6. Unplug electrical connector (arrow) at flange.
7. ⚠ The fuel tank must not be more than 3/4 full when removing fuel gauge sender 3 G237. Otherwise a large amount of fuel will escape. — Unscrew union nut using wrench2012 A.
8. Carefully pull fuel gauge sender 3G237 and seal out of opening in fuel tank. [Note: When removing, make sure you do not bend float arm of fuel gauge sender 3 G237.] [Note: Renew seal.When installing, make sure you do not bend float arm of fuel gauge sender 3 G237.Fuel tank is shown in a cut-away view for illustration purposes.]
9. Insert fuel gauge sender 3G237(item 2) into opening in fuel tank as shown in illustration. [Note: The (arrow) points in direction of travel.]
10. Turn fuel gauge sender clockwise about its axis in direction of (arrow) when inserting. [Note: The (arrow) points in direction of travel.]
11. Fit seal in fuel tank opening (seal should be dry).
12. Check installation position of fuel gauge sender 3 G237: [Note: The (arrow) points in direction of travel.]
13. Tighten union nut.
14. After tightening union nut, check again that arrows align.
15. Plug in electrical connector.
16. Fill fuel tank.
17. Check overall resistance of fuel gauge senders: connect hand-held multimeterV.A.G 1526C to measure resistance between contacts 2 and 3

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