My car makes a hollow rattle when in gear and idling as well as when I start and stop the engine. Any idea? - Quora
muffler rattle at idle - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
![2016 outback rattle noise in front end when idling or going less than 30mph - what is it? : r/subaruoutback 2016 outback rattle noise in front end when idling or going less than 30mph - what is it? : r/subaruoutback](https://external-preview.redd.it/4NKTMyJleGTHarLYYtfjfNGLekHVg9pBfX54anQVcxo.png?width=640&crop=smart&format=pjpg&auto=webp&s=ad216984497ca4215c5f9d2272f85637284cfaa6)
2016 outback rattle noise in front end when idling or going less than 30mph - what is it? : r/subaruoutback
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2018 Forester exhaust rattle at idle after driving. Anyone else dealing with this? If so, any advice on culprit or how to fix? : r/subaru
![2010 Mazda 6 rattling noise on the underside of car when idle. Noise stops when in higher rpms but returns when on park. Any advice or ideas as to what this might 2010 Mazda 6 rattling noise on the underside of car when idle. Noise stops when in higher rpms but returns when on park. Any advice or ideas as to what this might](https://external-preview.redd.it/0-A2EocETLlCgoHvXO78fNJzYuhJSt86BOZYvY4aNh4.png?format=pjpg&auto=webp&s=44d95451b55459b7bf0671638a43a6d843e96b22)