Rb25 Oil Leak

[horrace]

Hello!

I have oil leaking/weeping from the front of this sensor just below and to the left of my oil filter. Can anyone tell me what sensor it is (oil pressure?) and if I should replace the whole thing? I have had no luck tightening the screw at the front which is where it is leaking, at the very front just behind the screw.

Thanks for any help

Rhet

[Moodles2]

Your oil/water exchanger is in the picture, it might be leaking oil from there.

[horrace]

Your oil/water exchanger is in the picture, it might be leaking oil from there.

it was leaking from there but I replaced the seal and its no longer leaking that's on old photo, I'm actually watching it leak from the sensor with the engine running.

[Dobz]

Don't over tighten it, you might wreck the thread. Take it off, clean the oil off the thread on the sensor and in the water/oil exchanger with a can of brake or carby cleaner. Use some gasket sealer on the thread of the sensor to help seal it when you do it back up.

[horrace]

Don't over tighten it, you might wreck the thread. Take it off, clean the oil off the thread on the sensor and in the water/oil exchanger with a can of brake or carby cleaner. Use some gasket sealer on the thread of the sensor to help seal it when you do it back up.

I have only tried tightening the screw on the very end of the sensor not the whole sensor screwing into the block but yeah I didn't move it much and it didn't help. Do you have any idea what the sensor is? if i'm going to remove it i may as well replace it, id hate for it to leak if I cleaned it and put it back on

[Dobz]

It's leaking from the thread isn't it? You don't need to replace the sensor if it is.

[horrace]

It's leaking from the thread isn't it? You don't need to replace the sensor if it is.

Not the thread where it screws into the block no, the sensor itself is leaking from in front of the black plastic part behind the silver screw that's circled in the pic

[Dobz]

I should have checked the picture first I guess. In that case, yes it does need replacing. Not sure how much a new one costs but it might be worth looking for an auto wreckers that has a decent second hand one.

[horrace]

any ideas WTF sensor it is? it's on a 1997 stagea

[Dobz]

Oil pressure

[Miguelone]

It is oil pressure.

[horrace]

thanks for the help fellas

[DVS JEZ]

Replace the oil pressure sensor, have had to replace them for due to a leak

[horrace]

got it from Nissan $20! did you use and sealer on the thread?

[Miguelone]

got it from Nissan $20! did you use and sealer on the thread?

Yep, unless you want a leak again . Only a small dab on the thread though, you don't want it getting into the oil hole

[horrace]

cool I'll give it a crack tomorrow morning

[horrace]

now I'm having an interesting and annoying problem lol, the new sensor fits in a 1 inch socket but the old one is slightly larger, a 26mm is to small and a 27mm is too big as is a 1 and 1/16! WTF it's driving me mad I think I'm gonna chuck vice grips on it if it's possible I'm so damn angry haha.

[jiffo]

Doesn't look like the normal Rb oil pressure sensor, looks more like an ordinary oil light switch????

And at, $20 sounds like an oil pressure warning light switch.

[horrace]

well I described the part while they we're looking in fast and that's what they gave me, I looks the same except the connector is slightly different. I think it may be and updated part whatever it is

[Miguelone]

Is your new one larger with a yellow plug/end?