Glow Plug: Testing and Inspection

Ceramic Glow Plugs, Removing, Installing And Checking







Special tools, testers and auxiliary items required
- Hinged socket 3220
- Torque wrench (5 to 50 Nm) V.A.G 1331
- Portable multimeter V.A.G 1526 A
- Test adapter kit V.A.G 1594 C

Conditions
- Engine is cold
- Ignition is switched off

Work sequence

NOTE: When removing and installing, do not deform ceramic glow plugs. Damaged components must be removed

- Disconnect connectors from ceramic glow plugs.
- Remove ceramic glow plugs using hinged socket 3220.

Installation is performed in the reverse sequence, when doing this note the following:
- Before installing, cylinder head bore for glow plug and threads must be cleaned completely of sediments.

NOTE: The threads of the cylinder head bore and the ceramic glow plugs are not to be oiled or greased.

- Thread ceramic glow plug into cylinder head by hand using hinged socket 3220
- Tighten ceramic glow plugs. Tightening torque: 15 Nm

CAUTION: After installing and before the starting the engine, test the resistance of all ceramic glow plugs with the engine still cold.

Specification: max. 1 Ohm

- If specified value is exceeded, replace faulty ceramic glow plug.

NOTE: If the faulty ceramic glow plug is broken, remove the broken pieces from the engine, otherwise engine damage will occur.