volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking oil pressure and oil pressure switch > < Removing and installing oil sump
Removing and installing oil pump
   
Removing and installing oil pump
Special tools and workshop equipment required
t  Assembly tool -T10022-
t  Oil seal fitting tool -3083-
t  Torque wrench -V.A.G 1331-

Removing
–  Remove main drive toothed belt → Chapter.
   
–  Secure crankshaft toothed belt pulley -1- to crankshaft using old securing screw -2-.
–  Set crankshaft to TDC No. 1 cylinder. The tooth with end ground down must align with the mark on the oil pump -arrow-.
  N17-0076
–  Turn crankshaft/toothed belt pulley three teeth anti-clockwise away from TDC: The third tooth -arrow- to the right of the tooth ground down -A- on the toothed belt pulley must align with TDC mark on the oil pump housing.
  Note
This adjustment moves the crankshaft to the correct installation position for the oil pump. One of the four follower polygon cams on the crankshaft is uppermost.
–  Remove main drive tensioning roller.
–  Remove sump → Chapter.
–  Remove suction pipe → Item.
–  Remove crankshaft toothed belt pulley.
–  Remove oil pump.
–  Remove gasket.
–  Remove sealant remnants on cylinder block with a flat scraper.
–  Clean sealing surfaces. They must be oil and grease free.
Installing
  N17-0073
l  One of the four follower polygon cams -arrow- on the crankshaft is uppermost.
  N17-0081
–  Fit hexagon socket head bolt from oil seal fitting tool -3083- with assembly tool -T10022- onto crankshaft and tighten hand-tight.
–  Fit new gasket onto dowel sleeves -A-.
  Note
The inner rotor has two markings.
  N17-0075
–  Align one of the two markings -arrow A- of the oil pump inner rotor with installation position marking -arrow B- on oil pump housing cover.
–  Coat the four crankshaft follower polygon cams with oil.
–  Lightly oil sealing lip of oil pump oil seal.
–  Guide oil pump carefully onto crankshaft follower polygon cams.
–  Align inner rotor to crankshaft follower polygon cams by turning slightly if necessary.
–  Then slide oil pump carefully onto dowel sleeves.
–  Secure oil pump with new bolts. Specified torque: 12 Nm
–  Remove assembly tool -T10022-.
–  Install suction line → Item.
–  Install sump → Chapter.
–  Install main drive tensioning roller, fit and tension toothed belt → Chapter.
  N17-0074

Checking oil pressure and oil pressure switch > < Removing and installing oil sump