Volkswagen CJDA, Workshop Manual

Page: 218 / 553

1.4 Assembly overview - cylinder head cover, engine codes CPYA, CPYB,
CPYC, CPYD, CPYE
1 - High-pressure accu-
mulator (fuel rail)
q Do not attempt to
reshape high-pres-
sure lines.
q Removing and in-
stalling high-pres-
sure lines
2 - Bolt, 22 Nm
3 - Fuel return line
q Route fuel return
lines in noise insula-
tion guides
⇒
Item 10
q Cannot be renewed
separately
q To fuel tank
q The fuel return line
must not be kinked,
damaged or
blocked.
q The fuel return lines
must not be disman-
tled.
q Removing
⇒
Fig. on page 203
q Check fasteners
⇒
Fig. on page 204
q Attach
⇒
Fig. on page 204
q Lock
⇒
Fig. on page 204
4 - Injector (piezo injec-
tors)
q When removing and installing, always renew the following components and seals/O-rings: “copper
seal”, “O-ring for injector bore”, “O-ring for injector return connection”.
q If they are to be re-installed, the injectors must always be re-fitted on the same cylinder.
q Before re-using “high-pressure pipe”, perform visual check of taper seats for damage such as trans-
verse scores or corrosion. Always renew pipe if damaged.
q Removing and installing.
5 - O-ring
q Renew
6 - Bolt, turn 8 Nm +180° (1/2 turn) further
q Renew
7 - O-ring
q Renew
8 - Seal
q Renew
3
Industriemotoren - Industrial Engines 2009
▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
202 Repair Group 15 - Cylinder head, valve gear