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1 - Fuel delivery unit
❑ Activated by the fuel
pump relay - J17-
❑ Checking fuel pump
⇒ page 139
❑ Removing and installing
⇒ page 131
2 - To Y-piece on supply line
for left suction-jet pump
❑
⇒ Item 11 (page 125)
3 - Supply line for suction-jet
pumps
4 - Connector
❑ Coded connector to
flange
⇒ Item 25 (page 124)
5 - Fuel gauge sender 3 -
G237-
❑ Lever-type sender.
❑ Clipped onto support for
fuel delivery unit.
❑ Checking ⇒ Current
flow diagrams; Fault
finding program; Check‐
ing fuel gauge sender .
6 - Connection
❑ Fuel supply line
⇒ Item 24 (page 122)
❑ Arrow points away from
connection.
7 - Seal
❑ Renew
8 - Connection
❑ For fuel return line
❑ Arrow points towards connection.
9 - Supply and return flange
10 - Locking ring, 60 Nm
❑ Ensure secure seating
❑ Remove and install using wrench - 3087-
11 - Connector
❑ For fuel pump.
12 - Connector
❑ Coded connector to flange
13 - Locking lug
❑ Clipped onto right of fuel delivery unit.
14 - Fuel gauge sender - G-
❑ Plunger-type sender.
❑ Checking: ⇒ Vehicle diagnostic tester.
.
.
⇒ Item 23 (page 121)
.
⇒ Item 25 (page 124)
6-cylinder injection engine - Edition 02.2014
.
1. Parts of fuel supply system
Phaeton 2003 ➤
123
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