Removing and installing fuel delivery unit/fuel gauge, engine codes CFFA, CFFB, CFGB, CLLA — VW

🧭 Before you start

Fits: VW Passat CC (357, 2008–2012)

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• The fuel tank must not be more than 1/2 full when removing the suction-jet pump. Empty fuel tank if necessary.
• Press in securing ring to release fuel lines.
• If delivery unit is to be renewed, drain old delivery unit before disposal.

🔧 Engine codes this applies to

📋 Procedure

1. The fuel tank must not be more than 1/2 full when removing the suction-jet pump. Empty fuel tank if necessary.
2. Remove rear bench seat General body repairs, interior72Rear seats; Removing and installing bench seat / individual seats.
3. Remove cover from fuel delivery unit.
4. First check that connector (arrow) is fitted securely by pulling connector without pressing catch. The connector can cause a fault if it has not been fitted correctly.
5. First press down connector (arrow).

6. Then pull connector catch upwards and disconnect upwards at the same time. [Note: Press in securing ring to release fuel lines.]
7. Unlock and pull fuel line (1) and (3) off flange.
8. If fitted, pull out supply line (2) to metering pump V54. Separate push-on couplings .
9. Open locking ring using wrench T10202.
10. Lift sender flange.
11. Press securing ring and pull fuel line (A) for suction-jet pump off.
12. Press tab (B) of suction-jet pump in (direction of arrow) and unclip from fuel delivery unit
13. Extract the fuel delivery unit from the opening in fuel tank. [Note: If delivery unit is to be renewed, drain old delivery unit before disposal.]
14. Installing the fuel delivery unit is carried out in reverse order of removal. [Note: When inserting fuel delivery unit, ensure that fuel gauge sender is not bent.Insert seal for flange or fuel delivery unit dry into opening of fuel tank.Moisten seal with fuel only when installing flange or fuel delivery unit.Fuel lines are to be installed free of kinks.Do not interchange supply line and return line (return line blue or with blue marking, supply line black).After installing fuel delivery unit, check that fuel lines are still clipped onto fuel tank.Observe installation position of fuel delivery unit .Connections for fuel lines must engage »audibly« when joined.Take note of colour assignment when installing the connections !Ensure push-on coupling is secured properly by pulling.Separate push-on couplings .]

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