Volkswagen CJDA Workshop Manual page 211

Disconnecting fuel return lines
– With engine switched off, carefully pull return line connec-
tions off injectors. To do this, press both clips downwards
-arrow A- and simultaneously pull release pin upwards
-arrow B-.
Check catches
Caution
● Carefully pull fuel return lines upwards vertically when
disconnecting, as the 4 catches -arrow- can fracture.
● After disconnecting, check the 4 catches -arrow- to see
whether they are fractured or have broken off.
● Always replace damaged fuel return lines.
● A damaged fuel return line that becomes loose when en-
gine is running causes damage to injection valve (piezo
injector). The injection valve (piezo injector) must then
be replaced.
Attach fuel return line
– Apply a thin coat of diesel fuel to new O-rings on return-line
connections.
– Attach fuel return line and press the two clips downwards as
far as they will go -arrows-.
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Industriemotoren - Industrial Engines 2009 ▶
3
1 Cylinder head 195