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What Have I Broken?

Smity42

By Smity42,
in Engines & Forced Induction

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Smity42 Grand Master

Smity42

Posted
Posted

So I was doing an oil and filter change yesterday, and this thing came out stuck to the magnetic sump plug: :(

201008211465.jpg

201008211475.jpg

201008211466.jpg

201008211469.jpg

What is it, and should I be worried? Can I keep driving the car?

Possibly (part of) an oil squirter?

What is involved in fixing it?

Engine is an RB25DET, NEO block and S1 head

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https://www.sau.com.au/forums/topic/333774-what-have-i-broken/
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blinksta Enthusiast

blinksta

Posted
Posted

Hey,

That does look like an oil squirter and if so its not good, if you continue to drive since that has come off the piston will start to develop hot spots as the underside of the piston is no longer getting cooled and ping off its head.

The engine needs to be pulled apart to get at it, I am going through the same problem except mine was due to incorrect clearences when it was being re-built http://www.skylinesaustralia.com/forums/Sn...58#entry5396958

lachlanw Veteran

lachlanw

Posted
Posted (edited)

is that seroiusly an oil squirter ? what holds it in? which bit of it squirts . looks like the end off an oil can . even then its a bit crude

and it looks nothing like the other ones in the link above . or any i have ever seen

Edited by lachlanw
PaulosECR33 Community Regular

PaulosECR33

Posted
Posted

LachlanW i reckon it looks like the end of an oxy torch lol. let us know how you go as i want to know how hard it is to change this (IE in car or engine out)

good luck with it i would get squirters to suit your block

Smity42 Grand Master

Smity42

Posted
  • Author
Posted
i have seen this a couple of times on the forums, is it a common thing? what causes it?

I have no idea how common it is, but it is seems it is either caused by the piston being installed backwards, or the clearance between the piston and the squirter being incorrect, either one causes the piston to hit the squirter and break it.

is that seroiusly an oil squirter ? what holds it in? which bit of it squirts . looks like the end off an oil can . even then its a bit crude

and it looks nothing like the other ones in the link above . or any i have ever seen

Yeah, I looked up the part number in fast (NEO ones are different to all other 20/25 :P) and a bit of googling found the following picture:

Maslyanaya_forsunka_ohlazhdeniya_yubki_porshnya_RB25_NEO.jpg

It's not the best picture, but to me its clearly the same thing.

Unfortunately they are approx 75 bux a pop trade price, and have to come from japan, couldn't give me an ETA :(.

LachlanW i reckon it looks like the end of an oxy torch lol. let us know how you go as i want to know how hard it is to change this (IE in car or engine out)

good luck with it i would get squirters to suit your block

One of my mates has a 25 on a stand atm, so I'm going round this arvo to have a look and try and get an idea of how hard it will be to change in car. If it's too hard, I might just not bother :)

Sprints on Sunday, it won't be fixed by then, so it might blow up and save me having to worry about it ;). A 25 short motor can't be worth too much these days...

Smity42 Grand Master

Smity42

Posted
  • Author
Posted (edited)

banjo bolt is still in, pressure shouldn't have changed. It's broken remember, not come undone. It should just be spraying water oil across the bore, not up to the bottom of the piston

We'll see how we go...

Edited by Smity42
James_03 Mentor

James_03

Posted
Posted (edited)
banjo bolt is still in, pressure shouldn't have changed. It's broken remember, not come undone. It should just be spraying water across the bore, not up to the bottom of the piston

We'll see how we go...

You mean oil... :P

I wouldn't run it but that's me.

Edited by James_03
StealthX Veteran

StealthX

Posted
Posted

I'm pretty sure the oil squirters are to keep the piston temps down, not so much for lubrication, so as long as your combustion temps are ok and your tune is safe, shouldn't have too much of a problem!

Still, Nissan put them in there for a reason...

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