Ceramic Glow Plugs

Ceramic Glow Plugs

Special tools, testers and auxiliary items required

• SW 10 hex ball socket (3220)

• Torque wrench (V.A.G 1331)

• Hand multi meter (V.A.G 1526 C) or Multi meter (V.A.G 1526 A)

• Connector test set (V.A.G 1594 C)

Test Conditions

• Engine is cold

• Ignition is switched off

Removing

CAUTION!
• The ceramic glow plugs => [ Visual Characteristics of Ceramic
Glow Plugs ] Application and ID, are very sensitive to impacts and bending.

• For this reason, do not use sheathed element glow plugs which have dropped (even from a height of approximately 2 cm) under any circumstances, even if no visible damage can be detected.

• Installation instructions must be performed in sequence, otherwise there is a danger the plug breaks and will cause damage to the engine.

• When removing and installing, do not bend the ceramic glow plugs. Remove components which hinder installation.

- Remove engine cover.

One Piece Engine Cover





Pull the one piece front engine cover - arrows A - upward with a quick jerk and then pull the lower mount - arrow B - forward.

Two Piece Engine Cover





On the two piece engine cover, first pull the outer cover upward with a quick jerk - arrows in the upper illustration -, then pull the inner engine cover upward with a quick jerk - arrows in lower illustration -.

- Disconnect glow plug connectors from glow plugs.

- Remove ceramic sheathed element glow plugs using flex wrench (3220).

Installing

Installation is performed in reverse order. When doing this note the following:

- Cylinder head bore and thread must be completely cleaned of deposits before installing.

• Never oil or grease thread of bore in cylinder head and ceramic sheathed element glow plugs.

- Screw ceramic sheathed element glow plugs into cylinder head by hand using flex wrench (3220).

- Install the glow plugs with the hinged socket (3220) and tighten them to 15 Nm.

CAUTION!
• After installing and before first engine start with a cold engine, always perform a resistance test at all ceramic sheathed element glow plugs.

• If the malfunctioning ceramic sheathed element glow plug is broken, remove all broken pieces from engine, otherwise they can cause damage to engine.

• Specified value: max. 1 ohms

- If specified value is exceeded, replace malfunctioning ceramic sheathed element glow plug.