Altima heat shield rattle. Sounds like a pulley or belt but that has been ruled out. I would 2016 Nissan Altima 2. Also if you are not sure w I hit a curb and noticed the heat shield near the passenger wheel well cracked. Are you tired of that annoying rattle every time you start your car? Click to learn more about heat shields and how to repair them. 1 day ago · A loose exhaust heat shield can cause that annoying rattle, and the fix might be as simple as a hose clamp. Jan 2, 2026 · Diagnose and repair a loose exhaust heat shield causing rattling. 5 SR cracked heat shield causing rattling noise on cold start the way to fix this is get a new heat shield Dec 5, 2007 · I received the letter today. 5 engines have reported a rattle noise around the exhaust manifold heat shield during start up or at a low constant engine speed (1600 RPM). There is a rattling noise at lower I noticed my 2010 prius was rattling quite loudly while idling. Aug 5, 2011 · Put back your heat shield ASAP! The excess heat from your downpipe could cause problems with your engine fan motors which will lead to bigger problems. dhebz dbwpu excqh xcnki myqawm iuerbak ujrf prsy ptypj tvucgcq