Glow Plug: Service and Repair

Glow Plugs

Special tools, testers and auxiliary items required

• Socket Insert AF 12 for Glow Plugs 4-Cyl.TDI CR (VAS 6454)

• Pliers (3314)

Removing

- Turn off the ignition.

- Remove the engine cover. Refer to => [ Engine Cover ] Engine Cover.

• Be careful not to damage the wire connection when removing the glow plug connector otherwise the entire wiring harness will have to be replaced.

• When gripping the glow plug with the pliers (3314) , be careful not to grip too hard as the support sleeve may become damaged.

- Open the retaining clips - arrows - from the wiring harness.






- Position the pliers (3314) with the groove - arrow A - on the collar of the protective sleeve - arrow B -.






- Disconnect the glow plug connectors from the glow plugs.

- Clean the glow plug bore in the cylinder head.

• Contaminates must not fall into the cylinder.

• Example for cleaning:

• Extract large contaminants with a vacuum cleaner.

• Spray brake clean or a suitable cleaner into the glow plug bore, let it work and then use compressed air to remove it.

• Then clean the glow plug bore with a cloth dampened with oil.

- Use the socket insert AF 12 for glow plugs 4-cyl.TDI CR (VAS 6454) to loosen the glow plug.

Installing

Install in reverse order of removal. When doing this note the following:

- Reconnect the glow plug connector - 1 - to the glow plug - arrow -.






• Make sure the glow plug connectors are tight.

Tightening Specifications