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Have anybody else heard of the throttle body leaking with an increadibly high-pitched sound? I have a q45 90mm tb and when I pressure tested my intercooler piping it started whistling at 0.6bar pressure. It seems like it is leaking trough the axle that holds the throttle plate inside and holds the springs and throttle wire lever. At 0.8 bars air pressure the sound was so high I almost damaged my ears =) has anybody opened up the throttle body? is there a way of servicing this or is it on the scrapheap and buy a new one?

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https://www.sau.com.au/forums/topic/167195-throttle-body-leakwhistle/
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