Boost Leak I Just Cant Find!

[chef_stagea]

hey all ive gota boost leak in the 260. i blocked the BOVS (under my battery) for a bit of shits and giggles when i got the bar replaced and ever since then i have a this weird boost leak from 3 grand upwars, its hits fairly loud at 3 grand and sliughly increases as it gains rpm. i just CANNOT find the bastard! any hint or ideas on how to trace it back. im guna completly pull it out and put it back togeather sum stage this week...

[lachlanw]

spray soapy water on everything and see what you can find

[msports180]

Oh the joys i had the same damn problem.

Why did you block the BOVS off? the factory ones are some of the best out there?

I did it in 2 ways, a can of carby or throttle body cleaner, spray it around hoses, gaskets etc while the engine is idling, the engine revs will rise or drop if you hit the spot.

The other way was to remove the afms and pressurize the system, as in get a air compressor set the regualtor real low and blow compressed air into the intake system, you should hear the leak.

[Tangles]

firstly unblock the gtr factor bov, or I'll have one plz

also, dont you have a leaking gasket at the turbo / exhaust ?? blocking the bov would make this more pronounced....

[pintaline]

check turbo to manifold gaskit... had same problem in my silvia, after ALOT of searching, couldn't find the leak anywhere in the pipes, checked the turbo and BAM! nuts were loose. nipped them up, problem solved.

D.

[M I K E]

use the carby cleaner method and or get a length of hose, hold one end to your ear and move the other around areas you think the leak may be coming from - it amplifies the sound

[rb30dett]

hey all ive gota boost leak in the 260. i blocked the BOVS (under my battery) for a bit of shits and giggles when i got the bar replaced and ever since then i have a this weird boost leak from 3 grand upwars, its hits fairly loud at 3 grand and sliughly increases as it gains rpm. i just CANNOT find the bastard! any hint or ideas on how to trace it back. im guna completly pull it out and put it back togeather sum stage this week...

" i blocked the BOVS (under my battery) for a bit of shits and giggles_ and ever since then i have a this weird boost leak"

I think you answered your question with that statement. I would start there champ.

Edited March 11, 2009 by rb30dett

[chef_stagea]

ive unbloicked em just went for a quick boogie up the st with them blocked. but ever since then i cant find it... ill have a crack sat i hope. but its such a hard spot to get to thanx guys!!!