Skoda Octavia 1997 Workshop Manual page 64

28
Checking glow plugs
Special tools, test and measuring equipment
and aids required
Diode test lamp (e.g. -V.A.G 1527 B-)
Flexible-head wrench for glow plugs (e.g. -3220-)
Test condition
• Battery voltage at least 11.5 volts
Test sequence
–
Switch off ignition.
–
Remove engine cover.
To do so remove the front and rear engine cover up-
wards with a sudden motion.
–
Remove glow plug connectors from the glow plugs.
–
Connect the wire of the diode test lamp to battery pos-
itive (+).
–
Apply test prod of the diode test lamp to each glow
plug in turn.
If the diode lights up: Glow plug is O.K.
If the diode does not light up:
–
Replace glow plug.
–
If necessary remove and install glow plugs with flexi-
ble-head wrench (e.g. -3220-).
Tightening torque: 15 Nm
28-1 2
page
OCTAVIA 1997 1.9/74 kW (TDI) Engine, Fuel Injection and Glow Plug System
Testing preheating system
S28-0118
Edition 12.03
S00.5139.52.20