1.4 TSI engine (EA211) · Lubrication · Crankcase ventilation

Crankcase ventilation

3.1 Assembly overview - crankcase breather system

  • 1 Hose
    • For crankcase ventilation.
  • 2 Cover
    • For oil separator
  • 3 Oil separator
  • 4 O-ring
    • Renew after removal
  • 5 Union
  • 6 Hose
    • For crankcase ventilation.
  • 7 Bolt
    • Self-locking
    • Renew after removal
    • 9 Nm

Oil separator - specified torque and sequence

  • Tighten bolts in the sequence -1 … 9- to 9 Nm.

3.2 Removing and installing oil separator

Special tools and workshop equipment required

  • Applicator gun - VAS 6966-
  • Scraper
  • Commercially available studs, M6x20 mm, qty. 2
  • Sealant remover
  • Sealant ⇒ Electronic Parts Catalogue

Removing

  • Remove noise insulation ⇒ General body repairs, exterior; Rep. gr. 66; Noise insulation.
  • Unscrew bolts -arrow- and push charge air cooling pump - V188- to one side.
  • Pull off crankcase breather hose -3-.
  • Release fasteners -2- -arrow- on cover -1- for oil separator and detach cover.
  • Loosen and unscrew bolts in the sequence -9 to 1-.
  • Carefully release oil separator from bonded joint.

Installing

Install in reverse order of removal. The following should be observed:

  • Cover open parts of engine so that lubrication system does not become contaminated.
  • Remove sealant residues from cylinder block with a flat scraper.
  • Remove any oil and grease from sealing surfaces.
  • Screw 2 M6x20 mm studs a few turns into holes -arrows-.
  • Observe use-by date of sealant.
  • Cut off nozzle on tube at front marking (∅ of nozzle approx. 2.0 mm).
  • Apply bead of sealant -arrow- onto clean sealing surface of oil separator using applicator gun - VAS 6966- as illustrated.
  • Do not make sealant bead thicker than specified.
  • Apply bead of sealant -arrow- onto clean sealing surface of oil separator as shown in illustration.
  • Width of sealant bead: 2.0 mm.

The oil separator must be installed within 5 minutes of sealant being applied.

Further installation is carried out in reverse order of removal. Observe the following:

  • Install noise insulation ⇒ General body repairs, exterior; Rep. gr. 66; Noise insulation.

Torque settings