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8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 4), mechanics > < Checking glow plug system

A4 Mk2

Removing and installing glow plugs
Removing and installing glow plugs
Special tools and workshop equipment required
   
t  U/J extension and socket, 10 mm -3220-
Removing glow plugs
–  Switch off ignition.
–  Detach glow plug connectors from glow plugs.
–  Clean glow plug openings in cylinder head; make sure no dirt gets into cylinder.
  Note
t  Cleaning procedure:
t  Use a vacuum cleaner to remove coarse dirt.
t  Spray brake cleaner or suitable cleaning agent into glow plug openings, let it work in briefly, and blow out with compressed air.
t  Then clean the glow plug openings using a cloth moistened with oil.
–  Before removal, detach any ancillary components which restrict access (e.g. top and bottom sections of intake manifold).
  W00-0329
–  To slacken the glow plugs use special tool U/J extension and socket, 10 mm -3220-
Installing glow plugs
–  To tighten the glow plugs use special tool U/J extension and socket, 10 mm -3220- with a suitable torque wrench.
–  Then tighten glow plugs to specified torque.
l  Tightening torque: 17 Nm
–  Attach glow plug connectors correctly and make sure they are securely fitted.
–  Install any ancillary units that were previously detached.
–  Erase fault memory of engine control unit.
  W00-0329

8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 4), mechanics > < Checking glow plug system