Oil pressure light problems - 1.9tdi

[Animal Mother]

Hi all

My oil pressure light and buzzer keeps coming on in my 80 tdi. I know it is not oil pressure as it only happens under certain conditions so I've got it down to a couple of things.

The conditions for the oil light to come on are revving it to 2050 rpm.

So, I reckon it is one of two problems.

1. Dodgy pressure switch.

I have found one (blue .3 bar?) on the oil cooler/filter housing, and disconnected it (briefly) and it makes no difference. Is there a second one (.9 bar) on the tdi engine which only senses over 2000rpm? If there is, where is it?

2. Knackered control board in the console.

Cheers

[Skull]

it should be under the oil cooler, if not on top.

[Animal Mother]

So both on the oil cooler?

[Skull]

Yes, but the lower one is well hidden, i think you will have to remove it.

[Animal Mother]

Cool, thanks.

[Skull]

Try ti feel the sensor under the oil cooler with you fingers, it is very close to the engine block.

[Marius]

Skull, you mean b4 tdi from 94y?

Is there enough space to place oil pressure sender (for additional instruments), or it needs to make a hole on top of the oil cooler?

[Max M4X WW]

Bit of a late bump here, but do all TDI's have two sensors? I can see one on mine with a white rubber cover on which is full of oil. I need to replace this as it is leaking.

[JMLAudi]

Hi

Yes there are two oil pressure switches on the oil filter housing on on top and one under the housing.....very tight fit.....but can be removed in place........but puttin new one does take patience


I fitted sender for oil pressure gauge on the top sender position , but used an adtpter, witha angle on it

cheers
john