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Engine cooling > < Removing and installing cylinder head

Leon Mk1

Removing and installing oil sump
Removing and installing oil sump
Special tools and workshop equipment required
   
t  Socket insert -U-40051-
  W00-2203
t  Torque wrench -SAT 8010-
t  Hand drill with plastic brush
t  Flat scraper
t  Silicone sealant -D 176 404 A2-
Work sequence
–  Remove right-hand insulation tray: → General body repairs exterior; Rep. Gr.50
–  Drain engine oil.
–  Remove cable guide from the sump.
–  Separate front exhaust pipe from exhaust manifold → Chapter, exhaust manifold, front exhaust pipe and catalyst with attachments.
–  Unbolt right-hand drive shaft at gearbox. → Running gear; Rep. Gr.40
–  Remove bolt from front wishbone mounting. → Running gear; Rep. Gr.40
–  Remove cover plate for flywheel.
–  Unbolt sump sealed with liquid gasket.
–  Remove sump, it may be necessary to release sump by tapping lightly with a rubber head hammer.
–  Remove sealant residue on cylinder block with a flat scraper.
  W00-2760
–  Remove sealant residue on the sump with a rotating brush, e.g. a hand drill with a plastic brush (wear protective glasses).
–  Clean sealing surface, must be free of oil and grease.
Installing
  Note!
t  Note the use by date of the sealant.
t  Sump must be installed within 5 minutes of applying silicone sealing compound.
t  Sump can be offered up easier and with greater security if, for guide purposes, M6 studs are inserted into the cylinder block flange at two positions.
  N17-0012
–  Cut off tube nozzle at forward marking (nozzle approx. 3 mm Ø).
–  Apply silicone sealing compound, as shown, to clean sump sealing surface. Sealing compound bead must be:
t  2...3 mm thick.
t  and run on inside of bolt holes -arrows-.
  Note!
The sealing compound bead must not be thicker, otherwise excessive sealing compound will enter the sump and may block the oil suction pipe strainer.
–  Install sump immediately and tighten all sump bolts lightly.
–  Tighten sump bolts to 15 Nm.
  Note!
After installing sump the sealant must be allowed to dry for approx. 30 minutes before engine oil is filled.
  N17-0019

Engine cooling > < Removing and installing cylinder head