Switch At Rear Of Engine

[mikeyd 13]

changing an old 180a 1600 engine for a newer b6e 1600. have a switch next to the dipstick in the block on 180 but the hole is plugged on the b6e-what is it and do i need it??oil temp?tho that is on the rear of sump is nt it?

[Ryan 99]

It's an oil level probe. It was only fitted to early engines and was wired up to show the oil level on one of the gauges for a few seconds when you turned the ignition on.

 

It's not needed, and later cars don't have the wiring for it.