intake manifold whistling
05-13-2008, 06:15 PM
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intake manifold whistling
So i just replaced my head gasket, thermastat and intake manifold gasket last saturday. Well ever since it makes a whistling noise and sounds like its comming from the manifold some where. It will go away when i acelerate but once i let off the gas to shift it comes back. Also just sitting just letting it run. Any idea's on what it is? Also i have a CEL light since i replaced the stuff. 
05-13-2008, 06:26 PM
#2
Re: intake manifold whistling (d-dub)
sounds like a vacuum leak where you replaced your gaskets, make sure they're still good (no rips and stuff) and the i/m and is torqued to spec 
05-13-2008, 07:10 PM
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Re: intake manifold whistling (Mike_Fugi)
idle seems fine from sound since i have a DX and it dose not come with a rpm gauge in the dash.ALso we never unpluged any of the vacum lines from the maifold we just unbolted it from the head and scooted it back away from the head, so should i still check the lines?
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