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Turbo Not Spooling

sogeCEO

By sogeCEO,
in General Maintenance

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sogeCEO Enthusiast

sogeCEO

Posted
Posted

hi guy as the tittle states i've lost pressure some where and the turbo no longer spool's.

"The back story" The car when bought was standard 138xxx's, just 3 days ago I decided to add a FMIC and BOV.

I dont know if these additions have actually helped to send it on it's way, but straight after the FMIC was added, driving it away i lost all pressure but then came back

2-3 minutes later and was back to normal, the next day after starting the car and driving away the turbo made a strange whistling sound while spooling under load

but when free reving in neutral nothing this sound lasted for another 2-3 minutes but the went away and all was normal.

Last night when i started the car and started my driving the whistling sound grew louder and turned into a slight siren like sound, the car still spooled but would not go into

positive on the boost gauge, it would struggle all the way to 0 and still set the BOV off but the higher i rev the louder the sound got.

This was happening right from 0RPM till 2500-3000RPM which is about when i changed gears, then my mate fxxxed it trying to force it into positive on the boost gauge

and thats when all pressure was lost, now the car just feels like it an NA, the car's standard boost gauge for some reason still says that the turbo is spooling and building

it up to the mid point which is 0 but is this only cause of the air passing through the airfilter?

Can anyone please help as i dont know JACK!! about mechanics as for the car its a

Series 2 R33 GTS-T with the new additions aside its still got the stock ECU, should i have replaced it before adding these item or atleast remapped the standard one?

Someone told me i blew a seal in the turbo "on the inside" i dont know if this is true, another told me a compression leak.

Did i just blow mine up? Could i rebuild a busted turbo or should i just buy a new one

Man i dont know but i really appreciate all of those who take the time to read and reply

Cheers

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blind_elk Grand Master

blind_elk

Posted
Posted

Have you set up the BOV correctly? If it's whistling, then maybe you are simply pumping any boost straight out of the BOV. Put the original back on!

And have you checked ALL the intercooler plumbing joints?

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