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Volkswagen Workshop Service and Repair Manuals

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Removing and installing cylinder head > < Removing

Polo Mk5

Installing
Installing
Prerequisites
l  The pistons must not be positioned at TDC.
l  Camshaft pulleys locked into camshaft housing fitting holes with camshaft lock -T10016- and secured against turning.
–  Remove sealant residue from cylinder head and camshaft housing with commercially available sealant remover.
–  Also prevent dirt and residual sealant from entering cylinder head.
–  Clean sealing surfaces carefully. They must be free of oil and grease.
   
–  Apply a thin and uniform layer of sealant to clean sealing surface of camshaft housing.
  Note
Sealant must not be applied too thickly; otherwise excess sealant can enter oil channels and cause damage to engine.
  N15-0075
–  Ensure that all roller rocker fingers contact valve stem ends -1- correctly and that they are clipped into their respective support elements -2-.
–  Screw two studs (M 6 x 70) into cylinder head before installing camshaft housing.
  N15-0076
–  Carefully fit camshaft housing vertically from above onto studs -arrows- and cylinder head dowel pins.
  Note
Ensure that no residual oil can drip onto coated sealing surfaces.
–  Evenly tighten new camshaft housing securing bolts from inside to outside alternately and diagonally.
Ensure that camshaft housing is not canted. Specified torque: 10 Nm + 1/4 turn (90°) further.
  Note
After installing the camshaft housing, wait about 30 minutes for the sealant to dry.
Further assembly is basically the reverse of the dismantling sequence.
Specified torque for securing bolts of camshaft housing cover (engine code BUD only): 10 Nm
  N15-0173

Removing and installing cylinder head > < Removing