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1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 21 Aug 2023, 14:51
by DJKING360
Running my van up to temperature.
I get a small weep and intermittent bubbling near the oil Pump and mainly near a brown cable I think for a sensor.
It’s a the back of the block on the bottom left side.
Is the bolt a should nip up on there.
I think the previous owner may have done work there.
iMessage or WhatsApp to see the video.
07379835448.
Thank you
Daniel
Re: 1.9wbx - Oil pump weep near brown wire?
Posted: 21 Aug 2023, 18:25
by DJKING360
Re: 1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 22 Aug 2023, 06:47
by silverbullet
Most likely the switch (its not a sensor) has failed and is passing oil. Replace immediately or they can suddenly let out a jet of oil when running.
Re: 1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 22 Aug 2023, 07:24
by DJKING360
Thank you. I’ll order a replacement today.
Must I go to regular suppliers for t25? It is the grey switch that’s meant to be there right?
Re: 1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 22 Aug 2023, 08:33
by DJKING360
silverbullet wrote: ↑22 Aug 2023, 06:47
Most likely the switch (its not a sensor) has failed and is passing oil. Replace immediately or they can suddenly let out a jet of oil when running.
I’ll need a white one 1.6-2.0bar for this spot right?
Are these fitted with o rings?
Re: 1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 22 Aug 2023, 13:41
by maxstu
Could be black, grey or white. Depends on year of engine. You could simply change like for like.
They are prefitted with a sealing washer.
I've found it far easier to remove 3 bolts and put aside water pump pulley for best access.
Have a read....
https://brickwerks.co.uk/blog/vw-t3-oil ... -switches/
Re: 1.9wbx - Oil pump weep near oil pressure sensor?
Posted: 23 Aug 2023, 23:26
by DJKING360
Thank you.
I did remove the pump wheel annd replaced my belt whilst I was was at it and we’re god to go.
Engine ran to temp and no leaks.