Volkswagen CJDA Workshop Manual page 552

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
1.1 Removing, installing and checking glow
plugs
Special tools and workshop equipment required
◆ Jointed spanner -3220-
◆ Pliers -3314-
◆ Torque wrench (5...50 Nm) -V.A.G 1331-
◆ Hand multimeter -V.A.G 1526- or multimeter -V.A.G 1715-
◆ Auxiliary measuring set -V.A.G 1594-
◆ Current flow diagram
Test prerequisites
● Ignition switched off.
Procedure
– Switch off ignition.
– Remove noise insulation from injectors.
– Pull connectors off injectors -A- and fuel rail pressure sensor
-C-.
– If fitted, unscrew securing bolts of coolant line -arrows- from
intake manifold, and set down coolant line in front of intake
manifold.
Caution
Make sure that no wiring connections are damaged when
disconnecting the connectors. Otherwise the whole wiring
harness will need to be renewed. Do not compress the pli-
ers -3314- too firmly to separate the connectors, otherwise
the support sleeve may be damaged.
– Wires or coolant, fuel and air lines may impair the repair
work. Remove these wires in lines. It may be sufficient to
loosen the fasteners and to lay the lines aside.
536 Repair Group 28 - Glow plug system