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DriftSquad

Turbo Oil Feed Leak?

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just installed a new turbo on my RB20. the latest problem is a slight oil leak i cant get rid of, coming from the oil feed on the turbo side. iv tried new washers and material washers. And it still leaks so slightly. The bolt is a banjo bolt.. has any 1 had this problem before?

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what type of turbo did you install? is it oil cooled only?

if so the oil restrictor needs to be changed as ball bearing units need less oil than plain/journal/oil cooled only, so you need to adjust the restrictor

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just installed a new turbo on my RB20. the latest problem is a slight oil leak i cant get rid of, coming from the oil feed on the turbo side. iv tried new washers and material washers. And it still leaks so slightly. The bolt is a banjo bolt.. has any 1 had this problem before?

Other people have wrote on this forum that it needs to be super tight, so use a breaka bar and use plenty of leverage and tighten the sh1t out of it.

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Don't Do This!!!!!

Other people have wrote on this forum that it needs to be super tight, so use a breaka bar and use plenty of leverage and tighten the sh1t out of it.

Do this.

Anneal the copper washers.

Spot on Trident.

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Do a search on anneal, you may come up with something.

Essentially you use a gas torch or your mum's gas stove to heat your copper washers to a cherry red colour and then drop them in cold water.

I'll see if I can find my diatribe on this topic and add a link.

Go here:

http://www.skylinesaustralia.com/forums/in...4&hl=anneal

Also I agree with Grigor, you use a breaker bar and you risk stripping the thread in your turbo housing, then you will be up that creek and in that barbed wire canoe and not a paddle in sight!!!!!!

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Related topic but I'm not using banjo bolts, using stainless steel 7/16 -24 inverted flare.

I know this is pretty basic but im having trouble sealing the turbo oil feed fitting 100%, its not leaking leaking but after a drive there is a small amount of oil around the fitting half a drop or less you can see slight discoloring.20201004_145114.jpg.db3939fc2e7db3c3dd4add355d61d5f9.jpg

First time, I installed it was worse the fitting leaked slighty so removed and found a small bit of grit in the thread cleaned and reinstalled was much better. After a few drives i found again a smaller amount of oil around the fitting, this time removed cleaned and reinstalled a little bit tighter then before and it was much better but again a very slight amount of oil (less then before) (above pic) around the fitting.

has anyone else had trouble installing a stainless steel  7/16 -24 inverted flare.

How tight are you suppose to tighten the fitting?

Or anything else i can try?

 

Edited by dyl33
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6 minutes ago, hypergear said:

Rub few rounds of thread type on the fitting thread. that should stop the leak.

Thanks hypergear, shouldn't a inverted flare seal though.

And will thread tape stop the inverted flare from seating probly or it doesn't matter

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Oil is coming from under the flared fitting through the thread,  so type on the thread of the fitting not the base of the flare and that should work. 

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2 hours ago, dyl33 said:

Haven't had a chance to try it yet but would a high temperature thread sealant be better then teflon tape? 

No.

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