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OIL IN INTERCOOLER

Tech Talk for Nissan owners.

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Posts: 68
Joined: Sat Jul 15, 2006 4:33 pm
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OIL IN INTERCOOLER

Post by mr nismo »

HI GUYS I HAVE A GU 2.8TD AND I PULLED ONE OF THE HOSES OFF MY INTERCOOLER TODAY AND FOUND THERE IS OIL IN THE HOSES AND INTERCOOLER.
I WOULDNT SAY THERE IS HEAPS BUT WAS A LITTLE CONCERNED.
WHAT DOES THIS MEAN??? HAS ANYONE ELSE HAD THIS HAPPEN???
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Post by GQ4.8coilcab »

Could only geuss maybe the seal on the turbo has let some oil in, I would of only thought that would only happen on the exhaust side. Could be just heaps of build up of shit like car fumes sucked in and built up.
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Post by cloughy »

It'll probably be from where the crank case is vented in, the oil vapour leaves a nice messy film inside everything
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Post by mr nismo »

IVE WIPED IT OUT AND TAKEN IT FOR A DRIVE AND RECHECKED IT AND DIDNT APPEAR TO GET ANYMORE IN.
GUESS ILL HAVE TO KEEP AN EYE ON IT

CHEERS GUYS.
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Post by zen »

its normal...dont worry unless real bad...its oil from the crankcase ventilation system.it builds up over time..clean it out to improve intercooler efficieny every year or so.
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Post by nzdarin »

This is one reason I have shifted the vent pipe to a catch can. This way you don't get the oil through the intercooler and also if you lay the truck on its side you can't get oil into the intake and cause serious problems.
93 Nissan Pathfinder / Terrano Turboed VH45, GQ Trans and T-case, coil overs, hydraulic winch and fair bit of other stuff. (Currently a pile of parts in the workshop)
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Post by mr nismo »

WHAT DO YOU MEAN BY A CATCH CAN???
HOW DO YOU FIT THIS???
DO YOU CATCH MUCH OIL IN IT?
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Post by tweak'e »

easy on the caps there. (stop shouting).

a catch can is basicly a can/filter that fits inbetween the vent and the inlet manifold. it seperates the oil which then drain back down to the sump (often by useing the turbo oil return pipe)

quite a lot tend to get fitted to surfs as there known for lots of blow by. theres keeps on the surf forum about it.

one thing to watch is to get a catch can that can flow enough gas. some of the ones advailable in shops are to small and can cause crackcase pressure to go to high (caause the gas can't get out fast enough).
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Post by mr nismo »

are they worth fitting?
where can i buy one???
has anybody made one of these catch cans???
how do you know if there is enough flow??
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Post by raptorthumper »

Just called in to Super cheap today, and they have added a new range of products including intercooler piping, and alloy oil catch cans. All pretty good looking products and cheap cos their made in china.

I must admit i am a fan of Supercheap. Call in all the time for a look around.

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