4-cylinder Sump, Gasket & Oil Pump

Changing Sump Pan / Oil Pump and fitting Windage tray / Shrick Sump on G60 (plus other 4 cyl's)

Parts

support car on axle stands / lift etc
drain oil and refit sump plug
Leave filter change till end to keep things less messy!
loosen each 10mm bolt in turn using the flexible extension for the ones at the gearbox end
remove all bolts and support sump
loosen sump and remove, note how it goes round pas pipes / brackets to help refit
remove gasket and clean gasket face on bottom of block / and sump if refiiting
If refitting sump also clean and check for debris - any orange plastic in there is from broken dipstick guide tube

if fitting windage tray you will need to remove oil pump (2 x 13mm bolts - the 2 smaller 10mm ones are for the pump housing)
Withdraw pump and empty oil, clean pickup mesh
remove plastic windage piece if fitted
turn pump - will feel notchy with no oil, fill up and place in pan of fresh oil
submerge pickup and turn shaft, oil will rise and notchyness should go
Any doubt then remove pump cover and check for axial play with feeler gauges as per Haynes / Bentley manual or replace unit
If replacing pump, fit pickup line and fill with new oil as above to prime unit
lightly oil new sump gasket / edge of tray
Locate windage tray and fit pump back into place locating shaft and making sure it's correctly seated before bolting back up

Take parts sticker off windage tray / sump and check they are free from swarf
Oil gasket and offer up new pan, gearbox end first and manauvering around PAS pipe work etc, Shrick item is slightly trickier to locate
When in place try and get a bolt in using a screwdriver to move gasket into place
Get a few bolts started arounds the sump and get them all in and treaded before tightening
go round each bolt and do up as tight as posible with one hand using a screw driver (i.e. no torque)
Either use a torque wrench set at 20Nm or go round a second time by hand tightening up
Check new sump plug is tight / replace copper washer if needed