Checking Fuel Pressure - Volkswagen CC 2012 Workshop Manual

CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
Fuel supply system, petrol engines - Edition 05.2019
Vehicles with auxiliary heater
– Remove connector -1- from cover -3-.
– Release connectors -1- and pull off.
– Unclip sealing grommet -2- downwards from cover -3-.
– Guide wiring harness out downwards.
– Release and pull fuel delivery line -2- from flange -1-. Separate
plug-in connectors ⇒ page 51
Continued for all vehicles
– Check that connector -1- is fitted securely by pulling connector
without pressing catch. If connector was not inserted correctly,
repeat functional check of fuel pump.
– Release connector -1- and pull off.
– Check contacts on plug and on fuel delivery unit for damage.
If no fault is detected:
Remove fuel delivery unit for checking
⇒ "2.2 Removing and installing fuel delivery unit, fuel gauge send‐
er", page 43 .
– Release fuel line -2- and pull it off fuel delivery unit flange
-3-. Separate plug-in connectors
⇒ "3.1 Separating plug-in connectors", page 51
– Open locking ring using wrench - T10202- .
– Do not cant key - T10202- and press against locking ring firmly.
If the key slips off, the fuel delivery unit can be damaged.
– Check that electrical wires between flange and fuel pump are
connected.
– Check contacts for damage.
If no cable break can be found:
– Renew fuel delivery unit
⇒ "2.2 Removing and installing fuel delivery unit, fuel gauge
sender", page 43 .
8.1.2

Checking fuel pressure

Special tools and workshop equipment required
76
Rep. gr.20 - Fuel supply system
.
.