seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Valve control > < Checking compression
Renewing balance shaft for exhaust camshaft
Renewing balance shaft for exhaust camshaft
t  Removing → Anchor
t  Installing → Anchor
Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter
Special tools and workshop equipment required
   
t  Extractor -T10394-, see equivalent → Anchor
  W00-10705
t  Extractor -T10055-, see equivalent → Anchor
Removing
  Note
Always renew balance shaft for exhaust camshaft after removal.
–  Remove timing chain cover (top) → Chapter.
–  Remove timing chain cover (bottom) → Chapter.
–  Remove camshaft timing chain → Chapter.
–  Remove balance shaft timing chain → Chapter.
  W00-10115
–  Remove bolt -1- securing balance shaft for outlet camshaft.
  A15-10467
–  Insert the sleeve -T10394/1- of the extractor -T10394-.
  A15-10772
–  Insert puller -T10394- and press locking collar in direction of -arrow-.
  A15-10773
–  Screw extractor -T10055- into extractor -T10394- and press out balance shaft.
Installing
  Note
It might be necessary to cool the balance shaft before installing due to the minimal clearance between balance shaft and cylinder block. Check if it is possible to insert the balance shaft into the cylinder block without applying force. If this is not the case, the balance shaft must be cooled before installing.
l  Tightening torque → Chapter
  A15-10774
–  Check the position of the balance shaft tube -arrow-.
Lug -arrow- must engage in slot.
–  Put new balance shaft for 30 minutes into freezer compartment or spray with chilling agent (commercially available) if necessary.
–  Lubricate balance shaft bearing with engine oil.
  A15-10468
–  Install new balance shaft for exhaust camshaft.
–  Make sure that balance shaft is in full contact with crankcase before tightening bolt -1-.
  Note
Repeat insertion of tube for balance shaft if the balance shaft is not in full contact.
Further assembly is basically the reverse of the dismantling sequence. The following should be taken into account:
–  Install balance shaft timing chain → Chapter.
–  Install camshaft timing chain → Chapter.
–  Install timing chain cover (bottom) → Chapter.
–  Install timing chain cover (top) → Chapter.
–  Install poly V-belt tensioner → Chapter.
–  Installing the Poly-V belt → Chapter.
  A15-10467

Valve control > < Checking compression