richy2jz-gte Posted October 6, 2004 Share Posted October 6, 2004 when my car just starts to boost (1st turbo) theres a knockin sound coming from my blitz solinoid, if it set it to OFF it stops. sounds like a tappet rattle but dont get faster with rpm or boost... any ideas anyone???????? Link to comment Share on other sites More sharing options...
JamesG Posted October 6, 2004 Share Posted October 6, 2004 Yeah, they do make a slight ticking at a fixed frequency as the solenoid pulses on and off. It only operates above a certain boost pressure which is why you don't hear it all the time. If it's making a knocking sound, maybe it's not fixed down properly and vibrating against the bodywork? I used to be able to just hear mine at low revs, but not since I got a nur spec James. Link to comment Share on other sites More sharing options...
richy2jz-gte Posted October 6, 2004 Author Share Posted October 6, 2004 ok maybe its normal i aint really driven it under 4k rpm scince i fitted it, its bolted on top of the drivers side shock so it aint rattling. Link to comment Share on other sites More sharing options...
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