seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing camshaft oil seal > < Removing
Installing
Installing
  Note
   
t  When camshaft is installed, No. 1 cylinder cams must point upwards.
t  Do not interchange used bearing shells (mark).
t  When installing the camshaft, ensure proper seating of retaining lugs in bearing caps and cylinder head.
t  Before installing bearing caps, ensure that cylinder head bolt washers are inserted in the cylinder head.
–  Oil running surfaces of shell bearings.
  A15-0530
–  Tighten bearing caps 2 and 4 alternately and diagonally to 8 Nm + 1/4 turn (90°) further.
–  Install bearing caps 5, 1 and 3 and also tighten to 8 Nm + 1/4 turn (90°) (renew).
  Note
t  Seal parting surfaces of bearing caps 1 and 5 with sealant -AMV 174 004 01- → Fig..
t  Bearing cap 5 must be flush with outer edge of cylinder head, otherwise leaks can occur at the tandem pump.
–  Install camshaft oil seal → Chapter.
  A15-0532
–  Install injector rocker arm shafts with new securing bolts and tighten, first the inner -2- and then the outer -1-, evenly and in diagonal sequence. Torque setting: 20 Nm + 1/4 turn (90°) further.
–  Set hub on camshaft.
  A15-0531
–  Tighten hub securing bolt -1-. Torque setting: 100 Nm.
–  To do this, use counter-hold tool -T10051-.
  N15-0271
–  Push camshaft toothed belt pulley onto hub.
  Note
The toothed segment -arrow- of the camshaft belt pulley must be on top.
–  Align camshaft toothed belt pulley at centre of elongated holes.
–  Hand tighten securing bolts -1- to camshaft toothed belt pulley so that there is no play.
–  Lock the hub using locking pin for diesel injection pump -3359-.
–  Install toothed belt and adjust valve timing → Chapter.
–  Install tandem pump → Chapter.
–  Install cylinder head cover → Chapter.
  Note
When new bucket tappets have been installed the engine must not be started for about 30 minutes. Hydraulic valve compensation elements have to settle (otherwise valves will strike pistons).
  N15-0275

Removing and installing camshaft oil seal > < Removing