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Showing results for tags 'boost whining'.
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Background: Serviced my truck the other day and did oil change, oil filter, took off the BHAF and hit with air compressor. Went for a drive and noticed a whining sound once the boost started to build (never heard this before). Went back to the house immediately and pulled the BHAF/intake elbow and found rubber behind turbo silencer ring (see picture). I am not 100% sure where it came from. My helpful two year old could have put something in there while it was sitting on the ground, or it could have been a rubber tip that came off the air compressor attachment. Just not sure. Anyway, I ended up taking off all boots before and after intercooler to blow out/check the lines as well as pulled the intercooler to hit with compressed air and try to blow out any debris (only got a small piece of rubber out). Replaced everything, and whining is still present. So, I am still trying to figure out whats causing this sound... can't stand it!! The sound happened right after the service, so that leads me to believe its not a boost leak on a boot. Any help would be greatly appreciated. I am open to try anything. Photo of rubber attached. Youtube link to see video and hear boost below. https://youtu.be/FvXuhI38BME Thanks in advance! Video_Feb_04,_11_19_00_AM.mov
