1.4 MPI engine (EA111) · Lubrication · Parts of lubrication system

Removing and installing oil pump

Special tools and workshop equipment required

  • Assembly tool - T10022-
  • Oil seal fitting tool - 3083-
  • Torque wrench (5 … 50 Nm) - V.A.G 1331-

Removing

  • Secure crankshaft toothed belt pulley -1- to crankshaft using old securing screw -2-.
  • Turn crankshaft to TDC No. 1 cylinder.

The ground-down tooth on the toothed belt pulley must align with mark on the oil pump -arrow-.

  • Turn crankshaft and toothed belt pulley three teeth anti-clockwise away from TDC.

Third tooth -arrow- to right of ground-down tooth -A- on toothed belt pulley must align with TDC mark on oil pump housing.

Installing

Condition

  • One of the four follower polygon cams -arrow- on the crankshaft is uppermost.
  • Fit hexagon socket head bolt from 3083 with sleeve -T10022- onto crankshaft and tighten hand-tight.
  • Fit new gasket onto dowel sleeves -A-.
  • Position marking -arrow A- of inner rotor of oil pump at 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 21 (1.2 Assembly overview).
  • Install sump ⇒ 1.3 Removing and installing oil sump.
  • Install main drive tensioning roller, fit and tension toothed belt ⇒ 1.3 Removing, installing and tensioning toothed belt.