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r33 RB25 whining

Hey guys,

Recently bought an r33, pretty standard beside a FMIC, exhaust and a pod filter., but it is making this weird whining/metal sort of noise whenever you accelerate. I cant get a good video of it but i found someone who managed to, but dont visit the forum anymore so i cant ask them what it was!

Video is here

First turbo/import ive ever owned and my knowledge is pretty small when it comes to cars, and for the life of me i cant figure out what the sound is. Car still drives fine, boosts fine (no gauge yet but should be arriving tomorrow) but the noise is really annoying and can be heard over the engine while driving.

Any ideas? cheers

Edited by Aestysu
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https://www.sau.com.au/forums/topic/467958-r33-rb25-whining/
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8 minutes ago, GTSBoy said:

Wait.  Is the noise independent of you twirling the steering wheel?

Nothing to do with the steering, its pretty much purely when i accelerate, and gets louder the more i give it.

Could be sitting in neutral hands out the window revving the car and it happens. 

Probably timing belt since that gets whiney and noisy if: 1- the belt is a gates racing or similar. 2 - is too tight. 3 - probably both. Take off the top timing belt cover (after you carefully remove the CAS) and tell us what you see. I'm guessing a blue belt.

Pull ancillary belts one at a time. I'm putting money on power steering pump or alternator bearing.

Remember: Fan belt also drives water pump so don't run the car too long with this one off

Edited by 89CAL
Extra Info

thanks guys ill have a look hopefully tomorrow, ran into another issue gotta fix that first.

was driving, then all of a sudden lost all power, and car starts hopping. pretty much undriveable and just jumps every few seconds in bursts. it idles and revs alright in neutral, and also does reverse fine, but as soon as i use the accelerator it just hops around. thinking coils misfiring or TPS?

ok so didnt fix the new issue and seems to be worse now. Car turns over and starts, then pretty much instantly stalls, if i manage to start it, it doesnt want to rev past 2500, at first though it was coils/spark plugs but didnt fix it, then found the 2500 limit, so im thinking air sensor.

Cleaned out the maf, didnt do anything, let the car idle while i packed up and stalled, and still wouldnt go past 2500. going to try a new one and hopefully that fixes it otherwise im stumped.

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