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Discussion Starter #1
99.5jetta mkIV ,manual
I get this howling noise,high pitched between 2000 and 2500 rpm under load especially in 1st through third gear,sounds like a stuck pcv valve on a BMW ,engine performance seems to be normal
Anyone experience anything like this
 

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20 Posts
check your trans fluid level. I would consider changing it as well. Check for loose clamps or damaged hoses in the intake stream.
 
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