Golf IV R32 :: Rattling Sound Like A Heat Shield
Jun 5, 2010
I have a major rattling sound from under my car... it sounds exactly like a heat shield. I have been up under my car 5 times and I can not find a loose shield anywhere. the cat insulator mesh is still in perfect condition and it now seems the sounds is coming from somewhere in the back of the car, perhaps the muffler area.
This car does have the flapper mod done... could there be something inside the muffler itself? the car only has 40k on the ODO and I have not hit anything or do not have a dented muffler. As a fellow VW'er I do not want to be the only one running around town rattling...
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So, I have discovered my first rattle in my GTI (8500 miles). Seems to be from the underside, sounds like a heat shield rattling, certainly sounds metallic. Did some spirited driving yesterday and hear the rattle today. Any target areas to check when I take a look under it?
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Looking for a cure for a heat shield that continually loosens, and causes a annoying rattle? I have been up under the car and re-tightened the suspected shield a couple times, the screw that holds the clip is not damaged, and the clip itself is not damaged... and on top of it all, I can never quite get that clip on tight enough to stop the rattle all together. is there a tool to get it tighter? i use micro needle nose pliers that fit and tighten it that way.
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I have a 42 DD tb exhaust. And so far I've used a 3" exhaust clamp over the last hanger (after the muffler) which raised the exhaust all the way up against the heatshield, eliminating the rattle over the rear axle beam. But the exhaust was rattling against the heatshield.
So I bought 15 ft of exhaust wrap and wrapped the section that comes in contact with the heatshield. It worked a bit but it still rattles a little! I hate this rattling! How to get rid of the rattling? Should I just use more exhaust wrap?
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Got a rattle from the car, I think it's the catalytic converter heat shield. Looking for any pictures of what it looks like? I don't know if it is a full cover on our Toyota's, or a half cover. I will post a picture of what mine looks like now that it is rattling later today. Hoping it's an easy fix.
2009 Corolla CE 1.8L.
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Ordered my TBE couple of weeks ago, installed last week. I have been running the 100 octane tune for an entire week. Decided a couple of days ago to put it back to stock to see the difference. When I was running the 100 oct, I was pretty much on it the whole time. When I went back to stock I noticed some heat shield noise so I took it back to have them take a look. While on the lift I noticed a lot of soot in three different places.
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I have what I think is a heat shield rattling at around 2500-2700 rpm. or maybe not? It's not that noticeable but it's driving me mad
Is there a more simple answer that it could be? Keep in mind I claim very very little mechanical knowledge.
I am going to my dealer tomorrow for something unrelated and I kinda want to get a head start when I go to talk to the service dudes.
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I can't recall whos makes them. What are our options? I have the VMR intake if that matters.
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I have a CTS Turbo intake and have recently purchased a heatshield. It did not come with instructions. I tried installing it this weekend and it was a no go. I'm assuming the pieces for the factory engine cover in the rear is what the heatshield needs to replace to bolt on. I couldn't get those off for the life of me.
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The catalytic converter shield is tack welded on the front end but free on the rear end. There was originally some braided wire packing at the rear to keep the shield from rattling against the pipes. Mine was deteriorated and had been damaged, I think, when I sustained some oil pan damage last summer -- big jolt to the system when running over a muffler on the highway.
The fix is simple. Bought a foot of 3/16" braided stainless steel cable. I used about 8 inches and layed in the lower bead line on the catalytic converter shield (see picture below). You can see a bit of the cable thru the gap in the upper/lower shield on the left side. (1/4" cable would be a better fit, but this will work for a long time.) Cost: $1.84
The local VW parts man dug out an exploded drawing of the system but it showed NO parts or packing for this problem.
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I am very mechanically inclined and up until now I can usually hear a noise and know exactly what the problem is, given enough time to listen..
The best I can describe the noise I am hearing, sounds like a cross between heat shield rattle or a syncro somehow stretched out and is loosely spinning around once in gear.. Hard to explain, but all gears shift perfectly..clutch was replaced at 102K and I am currently at 130K. Also I might be crazy but it sounds like I am starting to hear the noise in 3rd as well. I would post a sound clip, but its so faint it doesn't show up on my iphone..
The reason I am throwing it out there, is because half of the seriously trusted mechanics I know say it sounds like a bearing in the tranny going out, the other half, (3 of 6) can't even hear what I am talking about but its there.
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I got a heat shield that just will not stop causing me grief. When I installed the headers and pipes I had a heat shield that was too close to the passenger side pipes. I bent it down some to clear the pipe and got rid of a nasty metallic sound I had on the throttle and making left hand turns. Well that little sound returned last week and I crawled under and looked and sure enough the heat shield was touching again.
Who knows why maybe a bit a spring sag. So yesterday I bent it down a little more. Today I start getting a nasty clunk on dips and especially when on a bump why turning. I crawl under there too look and find the same heat shield now has a huge gouge on the under side of it where the leaf spring near the rear bushing is smacking it. I'm sure Ford put it there for a good reason so hate to remove it.
First pic of the hacked up bend job I put on it.
Second pic of the gouge in the bottom of it where it's hitting.
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Didn't touch the downpipe during engine swap of my BEW TDI.
After swap, have code:
17524 - Oxygen (Lambda) Sensor Heating; B1 S1
P1116 - 000 - Open Circuit
The O2 sensor wire disappears above the heat shield above the exhaust. I am used to (Audi 1.8T, 2.7T, 2.8) seeing the O2 sensors coming up with plug on firewall.
Where is the O2 sensor wire going to.
I normally by the generic Bosch O2 if the SENSOR is bad (cut and splice), but suspect that maybe the problem (open circuit) is further 'upstream'.
Obviously, I am a TDI (and Golf/transverse engine) newbie, so bear with me.
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I just had a new downpipe installed and now I am getting a horrible scrapping noise when coming off a dead stop. I got under the car and looks like the downpipe is touching subframe heat shield. My question is should i take it back and have them make some clearance or is there a quicker solution. New downpipe and subframe heat shield.
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I've noticed that potentially my heat shield or whatever guard that is 1 step toward the front of the car from where the inlet pipe connects to the exhaust system may be the reason for my rattle at 2k and 3k rpms. i think its a heat shield but I am not sure. the thing is it seems properly mounted, nothing is cracked/broken/or loose. But when I do try and wiggle it it does make a slight creaking noise that sounds similar to the rattle I get. So I could foresee this as being my issue.
But, is there anyway to fix this rattle w/out just taking off the part? i figure its there for a reason and it looks like its held on in 2 places. But they're not nuts they almost look like spot welds or something. 1 on each side. What to do?
Something to get you all in here:
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I was driving down the PA turnpike and heard rear-end noise. I pulled over and this piece was hanging down on the right side in front of the rear tire and at the back edge of the rear door, right where the muffler is. I did a search and found this to be a common problem with the 330s but did not see anything on the 350s. I drove another 500 miles to the beach and then back home without any noticeable affects, but not that I looked underneath.
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Had an annoying vibration when pulling from a stop til up to speed or if I was going up a hill at low speed. Figured it was the exhaust heat shield so I took it in for service. I was told that it was indeed the heat shield and that there is a service bulletin regarding it. I believe they repaired it with a pair of clamps.
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My heat shield was loose and my dealer said it should be fine, but then it stormed and driving home I ran over a branch and when I got home I noticed the heat shield was ripped and dragging on the ground. It is pretty torn up and I'm thinking of just taking it off. Am I allowed to take it off? If so how should I go about taking it off?
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I have a 2008 Camry Hybrid and the rear muffler heat shield has come loose and is about to fall off. The car is running great and has had no real issues.
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My wife drives a 2001 Suzuki XL7. While she was out, the exhaust heat shield fell off the catalytic converter. My question is does this affect the car's ability to function in any way? Is it still safe to drive? My wife is freaking out over it.
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This noise has me stumped. The frequency of noise seemed like the sway bar bushing. I fixed these and still making noise. Almost sounds like a something vibrating against the heat shield, but nothing. Seems to be front right. in the last year replaced the upper bearing struts. Shocks 4 years old. I have pushed the brakes and sound does not go away. In fact some days i drive the car and there is no noise. I just lowered the car. 132k
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