Rattle Nosie From Exhaust Heat Shield on Mitsubishi Galant

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 90,833 (13,000–260,000)
Exhaust & Emissions affected: 2.4L 4 Cylinder
9 model years affected: 2001, 2003, 2004, 2005, more2006, 2007, 2008, 2009, 2011
65 people reported this problem
Viewing 1 - 20 of 26 comments
A rattle (vibration) noise when car is idling and when you accelerate.
When the car is put in reverse or drive the rattle from a heat shield or something else becomes very loud
my local independent repair shop simply removed the heat shield.
rattles on cold start, but after it worms up, it stops.
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.
heat shield making a tinny noise on acceleration taking it to dealer hope it is covered under 5/yr 60k
Exhaust heat shiel rusted through on clamp closer to engine. Rattles almost constantly
My vehicle has the same problem. When taken to a mechanic, they can't find the problem.
Shield at exhaust manifold rattles when cold.
I too had the rattle noise from a heat shield. The dealer corrected the problem.
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.
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.
Car jerks when out into drive but only then, has the "low on transmission fluid" smell and makes this rattle noise when I accelerate. Idling in park it just makes a little noise. I haven't had it fixed yet but I'm assuming it needs transmission fluid and one other thing. Possibly heat shield replacement?? I know nothing about cars so I'm hoping too fix the issue soon.
Heat Shield Rattling, Rusting and fell off.
Heat shield between exhaust manifold and starter completely loose. All bolts missing
Rattle noise
Strong noise when accelarate
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.
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.
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.