Rattle Nosie From Exhaust Heat Shield on Mitsubishi Galant

A rattle type noise may develop from one of the exhaust heat shields. Replacement of the affected heat shield may be required to correct this issue.

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Average mileage: 77,524 (13,000–156,000)
Exhaust & Emissions affected: 2.4L 4 Cylinder
8 model years affected: 2001, 2004, 2005, 2006, more2007, 2008, 2009, 2011
54 people reported this problem
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problem details
2008 Mitsubishi Galant 48,000 mi,
A rattle (vibration) noise when car is idling and when you accelerate.
2004 Mitsubishi Galant 65,000 mi,
my local independent repair shop simply removed the heat shield.
2006 Mitsubishi Galant 64,120 mi,
When the car is put in reverse or drive the rattle from a heat shield or something else becomes very loud
2011 Mitsubishi Galant 50,000 mi,
Exhaust heat shiel rusted through on clamp closer to engine. Rattles almost constantly
2006 Mitsubishi Galant 96,000 mi,
Shield at exhaust manifold rattles when cold.
2005 Mitsubishi Galant 108,000 mi,
My vehicle has the same problem. When taken to a mechanic, they can't find the problem.
rattles on cold start, but after it worms up, it stops.
2007 Mitsubishi Galant 13,000 mi,
I too had the rattle noise from a heat shield. The dealer corrected the problem.
2009 Mitsubishi Galant 45,000 mi,
Repair heat shield by finding exactly where the vibration is coming from, replace heat shield or repair by welding the lose part of the heat shield.
2007 Mitsubishi Galant 71,000 mi,
Exhaust heat sheild rattles once in a great while, but hasnt done it to much yet, butwill fix soon sometimes on those you only need to tightend something or bend something a little bit away from what its rattling against.
2011 Mitsubishi Galant 53,000 mi,
heat shield making a tinny noise on acceleration taking it to dealer hope it is covered under 5/yr 60k
2004 Mitsubishi Galant 112,000 mi,
Notice rattling noise.I was told a type of sheild was missing.It was repaired with some type of clamp. I paid $60 for repaires.The heat shild wasnt replaced.The rattling sound is back now.
2008 Mitsubishi Galant 54,000 mi,
Noise in rear. Mitsubishi dealer thought it was muffler hitting trailer hitch. Only happens when I travel for some time so I believe that heat has something to deal with it.
2011 Mitsubishi Galant 29,000 mi,
heard the rattle. independent dealer removed it. He is calling Mits. to see if warranted. Has not been repaired yet. No idea how this will progress...betting mits won't cover it.
2004 Mitsubishi Galant 115,000 mi,
Loud rattle noise coming from the heat shield. More noticeable when RPM's get higher between each gear. I tried clamps and exhaust wrap, but nothing would stop the rattle!
2007 Mitsubishi Galant 72,000 mi,
I had a rattle that continued to get worse as I reached approximately 2400-2600 RPMs no matter what gear I was in. This was more annoying than anything else. I had the local shop rip it off the bottom and no vibrations or noise since.
rattle and bery annoying sound due to loose heat shield.
2009 Mitsubishi Galant 38,000 mi,
Same rattle. Is the heat shield needed???
2005 Mitsubishi Galant 85,000 mi,
Rattling Heat shield. Developed suddenly...very loud.