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Camshaft seal: replacing > < Valve seats: Reworking

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Camshaft: removing and fitting
Camshaft: removing and fitting
t  Removing → Anchor
t  Fitting → Anchor
t  Torque values → Anchor
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
   
t  Torque wrench kit -SAT 8010-, see equivalent → Anchor
  L00-10226
t  Counterhold -T20018B-, see equivalent → Anchor
t  Sealant -AMV 174 004 01-
Removing
–  Remove the upper part of the inlet manifold → Chapter.
  Note
Cover the intake channels of the lower intake manifold element using a clean cloth.
–  Remove the notched belt → Chapter.
–  Remove the camshaft sprocket. To loosen the bolt, immobilise the sprocket with the counterhold -T20018B-.
–  Remove the camshaft pin.
–  Removing the cylinder head cover → Chapter.
–  First remove the bearing caps 5, 1 and 3. Loosen bearing caps 2 and 4 diagonally and alternately.
–  Remove the camshaft.
Fitting
l  The pistons must not be positioned at TDC.
  Note
t  On fitting the camshaft, the cams on cylinder 1 must be pointing upwards.
  L00-10001
t  When fitting the bearing caps, note the hole offset. Before fitting, position the bearing caps and determine the correct position.
–  Oil running surfaces of both camshafts.
–  Fit the camshaft.
–  Fit bearing caps 2 and 4 and tighten alternately in diagonal sequence.
–  Apply a little sealant -AMV 174 004 01- to the touching surface of bearing caps 1 and 5.
–  Fit bearing caps 3, 1 and 5 and tighten.
–  Fit the camshaft sprocket. To tighten the bolt, immobilise the sprocket with the counterhold -T20018B-.
  Note
The crankshaft must not be at TDC when the camshaft is turned, as the valves or piston heads could be damaged.
–  Fit and tension notched belt → Chapter.
Continue the fitting, following the reverse order of the removal process.
  Note
Engine is not to be started for approx. 30 minutes after fitting camshafts. The hydraulic compensation parts must settle (otherwise the valves would hit the pistons).
Torque values
  V15-0098
ComponentNm
Bearing caps 2 and 420 → Note
Bearing caps 3, 1 and 520
Camshaft sprocket bolt100 → Note
Cylinder head cover bolt10 → Note

1)  Tighten alternately in diagonal sequence.
2)  Fit new bolt.
3)  Tighten diagonally
   

Camshaft seal: replacing > < Valve seats: Reworking