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Engine cooling > < Hydraulic pushers: replacement

Leon Mk1

Assembly diagram
   
Assembly diagram
1 - Cover
2 - Gasket
q   Replace if damaged
3 - Dipstick
q   Verification → Fig.
4 - Dipstick tube
q   Remove this for siphoning the oil
5 - Oil pressure switch -F22-, 25 Nm
q   0.3 bar switch
q   Brown colour
q   Verification → Chapter
q   If the sealing ring is leaking, nip open and replace the o-ring
6 - Seal bolt, 25 Nm
q   For other engine identification letters
7 - O-ring
q   Replacement
8 - To the turbocompressor from the exhaust gases
q   For other engine identification letters
9 - Oil pressure switch -F1-, 25 Nm
q   0.9 bar switch
q   Grey
q   Yellow cable
q   Verification → Chapter
q   If the sealing ring is leaking, nip open and replace the o-ring
10 - Oil filter bracket
11 - 25 Nm
12 - Gasket
q   Replacement
13 - O-ring
q   Replacement
14 - Oil cooler
q   To remove, first take away the oil filter → Item
q   Lubricate the contact surfaces with the oil filter support outside of the join ring using -AMV 188 100 02-
q   Ensure that there is enough space to the outer components
15 - 25 Nm
16 - Oil filter
q   For separation, use the oil filter spanner -U-30043-
q   Follow the fitting instructions printed on the filter
q   For fitting, tighten by hand
17 - Oil pump pinions
q   Removing
–  Remove the oil sump → Item
–  Remove the bolts → Item attaching the oil pump
q   Check the play between gear teeth flanks → Fig.
q   Check axial play → Fig.
18 - Oil pump cover
q   Opening pressure: 5.7 ... 6.7 bar
q   Pressure regulator valve included
19 - 10 Nm
20 - Sump
q   Removing
–  Removing the sound proofing tray: → Rep. Gr.50
–  Remove the lower clutch housing protection
–  Remove the bolts attaching the sump to the gearbox using the -U-40051A- or -U-40051+/1+/2- tool
–  Remove the bolts → Item
q   Clean sealing surface before installing
21 - Oil purge bolt, 30 Nm
22 - 20 Nm
23 - Oil sump gasket
q   For other engine identification letters
q   Replacement
24 - Baffle plate
q   Removing
–  Remove the oil sump → Item
–  Remove the suction pipe → Item
25 - Suction pipe
q   Clean filter if soiled
26 - Baffle plate
q   With gasket
q   Replace the gasket if it is deteriorated
27 - 10 Nm
q   Fit using -AMV 188 100 02-
28 - Oil injector
q   For piston cooling

   
Check the play between the gear teeth flanks
To carry out the test of the play between flanks, the oil pump has to separated from the engine.
–  Remove the bolts attaching the cover to the pump carcass.
–  Use a thickness gauge to measure the play between the gear teeth flanks.
t  New pump: 0.05 mm
t  Wear limit: 0.20 mm
  V17-0005
Check the axial play of the oil pump
To carry out the test of the axial play, the oil pump has to separated from the engine.
–  Remove the bolts attaching the cover to the pump carcass.
–  Check the axial play using a thickness gauge and a precision ruler.
t  Wear limit: 0.15 mm
If the axial play exceeds the wear limit, proceed in the following manner:
–  Measure the width of the pinion, this should be equal to 36 mm; if the measurement is inferior then replace the pinion.
–  If the measurement of the pinion is equal to 36 mm, replace the carcass of the oil pump.
  V17-0006
Checking the oil level
Test conditions
l  The oil level should only be checked when the engine is hot (oil temperature more than 60 °C)
l  When measuring the oil level the vehicle should be horizontal. Once engine is switched off, wait a few minutes so that the oil can return to the sump
Checking process
–  Remove the oil dipstick, clean with a clean rag and replace fully.
–  Next, remove the dipstick and read the level:
1 - Max. mark
2 - Min. mark
a - Area between the upper border of the engraved area and the Max. mark: Do not add oil.
b - The level is in the engraved area: oil can be added.
c - Level between the Min. mark and the lower border of the engraved area: Fill with a maximum of 0.5 Litres of oil.
The oil level should not be over the Max. mark.
  N17-0037

Engine cooling > < Hydraulic pushers: replacement