[Mike]

I Think my t25 turbo is starting to puke its guts out! Its making a weird "RREEEEEEEEE" noise at anything above 6psi under WOT. It *dosent* do it on the highway in 5th gear at full boost (set to 12psi most of the time). It just dose it while accelerating hard from 1st gear through 2nd and 3rd. I thought it was an exhaust leak that got loud when the WG was open but it makes the noise while its building boost also. The turbo still builds boost verry fast and holds it like normal.. Any Ideas?

Mike Rally car sounding
RReeeeeee pffff RReeeeeee pffff

 

[Ben]

Does it sound sorta like a balloon squeaking it's air out? If so it's probably your turbo elbow being loose from the turbine housing and making noise. I put my stock exhaust back on and the sound is apparent again. That damned elbow is a PITA.

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Ben98SentraSE
98 Sentra SE TURBO and crashed 93 NX2000

 

[Guest]

It sounds as if your catridge bearings are on the fritz.

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Turbo'd since '97 & this/close to 11's.

 

[Mike]

Well its not the elbo.. That piece is nice and tight. I have been taking it easy and its starting to make the noise when ever its boosts. RIP..t25..RIP..

Now its time for bigger fish..

Mike

 

[Ben]

Ah, so I guess 12psi on a T25 is NOT good, huh?