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Oil pressure and oil pressure switch: test > < Cylinder head: Removing and installing

Leon Mk2

Lubrication system components: removing and installing
Lubrication system components: removing and installing
  Note!
Oil level must not be above the max. mark - risk of damaging the catalyst! Marks → Fig..
Check oil pressure → Chapter
Oil capacities:
4.4 l with oil filter
Engine oil specification:
Use oils that comply with the VW 50000, VW 501 01 or VW 50200 rule.
Only in exceptional cases: multigrade oils that comply with API-SF or SG rules.
   
1 - Plug
q   Fit during installation work
2 - Gasket
q   Renew if deterioarated
3 - 0.9 bar oil pressure switch -F1-, 50 Nm
q   Test → Chapter
q   In case of leak, cut and renew the flange O-ring
4 - Oil filter
q   Loosen using special tool -U-40078- or a universal extractor
5 - Pin
6 - Ball
q   For overpressure valve
q   When installing, give a litht tap with an aluminium punch, in order to smoothen the ball's seat
7 - Compression spring
q   For overpressure valve
8 - 5 Nm
9 - Support
q   For coolant hose
10 - O-ring
q   Renew
11 - Oil bleed screw, 30 Nm
12 - 10 Nm
q   Tightening order → Fig.
13 - Oil sump
q   Clean the gasket's surface before fitting
q   Tightening order of the bolts → Fig.
14 - Gasket
q   Renew
q   Before fitting, apply -AMV 188 001 02- to the contact surface between sealing flange and engine block
15 - Oil pump cover with discharge valve
q   Aperture pressure: approx. 4.6 bar
q   Clean the strainer if dirty
16 - Gasket
q   Renew
q   Fit only when there is not sufficient axial play in the oil pump pinions
17 - Pinions
q   Check the axial play → Fig.
18 - Guide tube
q   Remove → Fig.
19 - Oil level dipstick
q   Oil leve must no be above the max. mark!
q   Marks → Fig.

   
Guide tube for oil dipstick: remove
Special tools and workshop equipment required
t  Dynamometric spanner -SAT 8010-
–  Loosen the exhaust manifold securing screw -1- and withdraw the guide tube -2- upwards.
–  Renew the O-ring -3- when fitting.
–  Tighten the securing bolt -1- to a torque of 20 Nm.
  N17-0078
Oil sump: tightening order
Special tools and workshop equipment required
t  Dynamometric spanner -SAT 8010-
–  Tighten the securing bolts in the order shown, to a torque of 10 Nm.
  N17-0079
Oil dipstick marks
1 - Max. mark
2 - Min. mark
a - Area between the upper edge of the marked zone and the max. mark: do not add oil.
b - The level is within the marked zone: oil may be added.
c - Area between the minimum mark and the lower edge of the area marked: oil must be topped up with a maximum of 1.5 l.
  N17-0037
Oil pump, check axial play
Special tools and workshop equipment required
t  G auge
t  Auxiliary setting bar
New axial play: 0.02 ... 0.10 mm Wear limit: 0.13 mm
  Note!
t  If the wear limit is reached, the distribution cover will need to be renewed → Fig., Engine block, crankshaft and flywheel: removing and installing.
t  If there is no axial play, fit the gasket → Item.
t  Once the distribution cover is fitted, check that the pump turns freely.
  N17-0080

Oil pressure and oil pressure switch: test > < Cylinder head: Removing and installing