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Volkswagen Workshop Service and Repair Manuals

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Checking hydraulic bucket tappets > < Removing

Golf Mk4

Installing
Installing
–  Oil running surfaces of both camshafts.
  Note
   
t  When installing the camshafts, the recess for the camshaft chain sprockets -arrows- must face upwards.
t  When installing bearing caps, ensure that the identification mark is readable from the exhaust side of cylinder head and that the arrow points to the vibration damper side.
  N15-0112
Installing camshaft cylinder bank 1, 3 and 5 and camshaft cylinder bank 2 and 4
The following applies for long camshaft:
–  Tighten bearing cap 3 with bearing cap 5 to guide camshaft alternately and in diagonal sequence to 20 Nm.
–  Tighten bearing cap 1 also to 20 Nm.
The following applies for short camshaft:
–  Tighten bearing cap 4 with bearing cap 6 to guide camshaft alternately and in diagonal sequence to 20 Nm.
–  Install bearing cap 2 and tighten also to 20 Nm.
–  Clean sealing surfaces on cylinder head and cover part.
  N15-0111
–  Remove old sealant from 3 mm holes in cylinder head gasket -arrows-.
  Note
With the cylinder head installed, the holes in the cylinder head gasket are only half visible.
–  Install camshaft chain sprockets with camshaft timing chain → Chapter.
–  Fill 3 mm holes in cylinder head gasket with sealant AMV 188 001 02.
–  Coat sealing surface of cover part with AMV 188 001 02.
  Note
Ensure that O-ring is installed for sealing oil channel in cover part.
–  Install cover, insert all securing bolts and tighten lightly.
–  First tighten M8 securing bolts to 25 Nm and then tighten M6 securing bolts to 10 Nm.
–  Install chain tensioner for camshaft timing chain and tighten to 40 Nm.
  Note
When new bucket tappets have been installed the engine must not be started for about 30 minutes. Hydraulic compensation elements must settle (otherwise valves will strike pistons).
  V15-0821

Checking hydraulic bucket tappets > < Removing