4- cylinder injection engine(1.4 1 direct inction. turbocharger)

Removing and installing oil separator

~2min read

Special tools and workshop equipment required

Flat 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.
  • Unscrew bolts -arrow- and push charge air cooling pump -V188- to one side.
Removing and installing oil separator
  • Pull off crankcase breather hose -3-.
  • Release fasteners -2--arrow- on cover -1- for oil separator and detach cover.
Removing and installing oil separator
  • Loosen and unscrew bolts in the sequence -9 … 1-.
  • Carefully release oil separator from bonded joint.

Installing

Installation is carried out in the reverse order; note the following:

Note

Danger of soiling lubrication system.

Cover open parts of engine.

  • Remove sealant residues from cylinder block with a flat scraper.
  • Remove any oil and grease from sealing surfaces.
Removing and installing oil separator
  • Screw 2 M6x20 mm studs a few turns into holes -arrows-.
Note
Removing and installing oil separator

Observe expiry date of sealing compound.

Removing and installing oil separator
  • Cut off nozzle on tube at front marking (diameter of nozzle approx. 2.0 mm).

Danger of blocking lubrication system with excess sealant.

Do not apply 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 after applying the sealant.
Removing and installing oil separator
  • Fit oil separator onto studs -arrows- and push it onto crankcase.
  • Start securing bolts.
  • Unscrew studs.
  • Oil separator, specified torque and tightening sequence → Fig.
Further installation steps are carried out in the reverse order; note the following:
  • Install noise insulation → General body repairs, exterior; Rep. gr.66.

Specified torques

Oil separator - specified torque and sequence → Fig. „“Oil separator - tightening torque and sequence”“

→ Chapter „Assembly overview - electric coolant pump“

Removing and installing oil separator

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.