Landon Posted March 25, 2019 Share Posted March 25, 2019 The air compressor sounds fine when you first start up the truck and is good until it gets to about 115 lbs then has a loud rattle until the drier pops off. After that it'll sound normal for a bit then begin to rattle again until the drier pops off. What should I look for or replace? Quote Link to comment https://www.bigmacktrucks.com/topic/56346-e9-air-compressor-rattle/ Share on other sites More sharing options...
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