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4 cylinder Petrol direct injection engine, Mechanics > < Removing and installing parts of exhaust system
Removing and installing ignition coils with output stages
Removing and installing ignition coils with output stages
Special tools and workshop equipment required
   
t  Installation tool -T10118-
  W00-1148
t  Puller -T10094 A-
  Note
The housings for ignition coils with output stages have been modified. As a result, puller -T10094 A- is required for removing these ignition coils. The previous puller -T10094- can continue to be used if processed as described in the following.
  W00-10526
–  Remove marked area -2- using suitable workshop equipment to attain the new nominal dimension -B- of 18 mm.
–  Additionally identify the tool designation with the letter A -1-.
Removing
  N28-10068
–  Lift engine cover panel at points -1- and pull it forwards in direction of -arrow-.
  N10-10281
–  Remove securing bolts -1- from crankcase breather connection and from non-return valve.
–  Disconnect connector -2- from turbocharger air recirculation valve -N249- and pull hose connection -3- off.
  N01-10688
–  Fit puller -T10094 A- on ignition coil with final output stage -arrow-.
–  Pull ignition coil with output stage out slightly.
–  Fit assembly tool -T10118- as shown.
–  Carefully release catch on connector and unplug connector.
Fitting
  Note
t  When fitting new spark plugs, the ignition coil must be regreased using lubricating paste -G 052 141 A2- This will stop the ignition coil sealing hose from »sticking« to the spark plug. The lubricating paste must be distributed on the spark plug when inserting on the ignition coil.
t  New ignition coils with output stage are lubricated when delivered.
  N28-10066
–  Apply a thin line of lubricating paste -G 052 141 A2- around the ignition coil sealing hose -arrow-. The bead must be 1…2 mm thick.
–  Fit puller -T10094 A- on ignition coil with final output stage.
–  Push connector onto ignition coil with output stage until it engages audibly.
  N28-10079
–  Press ignition coil with final output stage into cylinder head in direction of -arrow-.
Further installation steps are carried out in the reverse sequence of removal.
Specified torques of securing bolts for crankcase breather connection and for non-return valve: 10 Nm
  N28-10067

4 cylinder Petrol direct injection engine, Mechanics > < Removing and installing parts of exhaust system