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4-cylinder injection engine (2.0 l engine, turbocharger) > < Characteristics of ceramic glow plugs
Removing, installing and checking ceramic glow plugs
   
Removing, installing and checking ceramic glow plugs
Special tools and workshop equipment required
t  Jointed spanner -3220-
t  Torque wrench (5... 50 Nm) -V.A.G 1331-
t  Hand-held multimeter -V.A.G 1526 A-
t  Auxiliary measuring set -V.A.G 1594 C-

Test prerequisites
l  Engine is cold
l  Ignition switched off
Procedure
  Note
Do not cant ceramic glow plugs when removing and installing. Remove any components hindering assembly.
–  Pull connectors off ceramic glow plugs.
–  Remove ceramic glow plugs using U/J extension and socket, 10 mm -3220-.
Installation is carried out in the reverse order. When installing, note the following:
–  Before installing the drilling in cylinder head and the threads must completely cleaned of all deposits.
  Note
Do not oil or grease thread of cylinder head bore or of ceramic glow plugs.
–  Screw ceramic glow plugs into cylinder head by hand using U/J extension and socket, 10 mm -3220-.
–  Then tighten the ceramic glow plugs. Specified torque: 15 Nm.
  WARNING
t  After installing and before the engine is started, perform a resistance test on all ceramic glow plugs when engine is cold.
t  If the defective ceramic glow plug is broken, remove all fragments from the engine, otherwise these can cause damage to the engine.
t  Specification: max. 1 Ω
–  If the specification is exceeded, renew the defective ceramic glow plug.
   

4-cylinder injection engine (2.0 l engine, turbocharger) > < Characteristics of ceramic glow plugs