Golf IV R32 :: Catalytic Converter - Heat Shield Rattle
Mar 11, 2008
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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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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My wife drives a 2005 Honda accord and the catalytic converter heat shield recently fell off. I am wondering if it is safe to continue driving the car without the heat shield? I have read that the main function of the heat shield is to prevent fires when parking in long grass. Does it also protect the bottom of the car from starting on fire?
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The heat shield on the catalytic converter of my 2005 Honda Civic rusted and was hanging on by one nut, so I decided to rip the bottom part off. Is it necessary to get a replacement or can i go without it?
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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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I have this rattle coming from underneath the car that's been going on for a while.
The car has 110k miles and the rattle is most prominent when I start the car or accelerate hard or just cruising downhill without gas.
I went to one of the well known shops in the area and they said it's coming from the cat and it needs to be replace and quoted me like $1300 for parts and labor which seemed quite steep to me.
They said it's coming from the inside the cat so it needs to be replaced.
Is this a common issue with our cars? I though maybe something is loose and can be just welded together or something.
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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'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 want to replace the auto trans coolant lines on my 2001 F150 4.2L. I discovered I can actually see the top coolant line flare nut from outside the right wheel well, with the wheel and wheel liner removed. The lower line is just a few inches below. See photo, it's a little off, so the line connector is not seen:
The heat shield is just a little bit in the way for my hands, I have to put one through the red circled area. A 1/2" hex head bolt holds the shield to the frame (circled in green). This was easy to remove from the wheel well. After that the heat shield could be moved slightly away from the points I need to access.
I would prefer to unfasten the shield & move it out of the way for my hands. I found another bolt holding the rear end of the shield down to the frame, wasn't able to remove this - the bolt fastens to a U-nut in the frame that broke off & has trapped the bolt. Are there any other bolts fastening the heat shield down?
I was able to remove the old flare nuts with a 5/8" flare nut wrench, but have not been able to start the new nuts into their fittings, just not quite enough visibility and access.
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Heard a funny intermittent rattle and my mechanic told me that my check engine light should be going on any time now as my cat converter is bad. The part is about a thousand bucks! Looked on line and see some aftermarket ones from walker and some other retailers. My car has 103K miles on it,.
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Took my car to a shop today after I'd been experiencing a "tinny clunking" sounding rattle. I was worried it might be my catalytic converter and after couple of bumps on the exhaust system while on the lift, the tech thought this was indeed the case. Replacing the catalytic converter could be a $1500+ job from what I hear if replaced by toyota.
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Hearing a loose heat shield like rattle when hitting bumps...checked everything underneath , can't find anything loose..? 09 GX-470 56K miles
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Recently I have gotten a very loud and annoying rattle coming from my heat shield I think. I jacked the car up and tried to locate where the issue was but that wasn't successful. Do I need the heat shield by the muffler? And do you think it could be my cat rattling?
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I have a 2001 Passat GLS 1.8T Tip 34500 miles... Loose heat shields. Well, I couldn't find anything to fix, so I brought it to the dealer. They said that this was common on 2001 Passats with about 30k miles. All stock.
These were the symptoms that the car was exhibiting: At first it was a minor rattle that occurred at 1200-1400 rpm.......only when the engine was warm, and only when I was in drive. (I could not reproduce it in neutral)...
A few weeks later, it the engine rattled upon startup for half a second. I assumed that this was just the heat shield issue getting worse. Dealer says that I have a bad cam tensioner, and that they will replace it under warranty. However, I had to reschedule the repair for this week because they couldn't fit the 5 hour job in on Saturday.
He said that there is a spring backup for the hydraulic tensioner, but to get it fixed soon. Obviously I was going to have it fixed ASAP. What this cam tensioner does? Isn't there a chain that connects timing belt to cam shaft? Why does this need a tensioner? Does it change in tension?
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I have a 2010 F150 FX4 with the 5.4L, and lately under slow movement (less that 20km/h it is sounding like there is a rattle. I can try to get a video of the sound later, now I'm wondering if the universal bearings in the driveshaft would be making this noise or if it could be the 4wd actuators failing? Would either of these make a loud rattle? (Sounds like a heat shield shaking but all are tight). Had a Ranger up until last year so just learning the ins and outs of F150 life.
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I recently purchased this truck and have towed a couple of times with it. It has 98,000 miles and I do not know if the automatic transmission fluid has been changed. Should I have it flushed or drop the pan and change it? I have a lift so doing the change is no problem, although it might be worth it to pay a transmission shop to do it.
Also, I hear what appears to be like a heat shield rattle or something that sounds kinda like an exhaust leak during loaded acceleration. What to look for to locate the noise? One last question, the air bag light is on sometimes then off sometimes. Any known air bag light issues? I love the truck, hate the gas mileage!
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I have a 2001 VT GTI with 155K miles on it. It is in very good condition. I have loved the car except for the high maintenance costs that typically seem to be associated with VWs.
I found out this week after my check engine light came on that the car needs a new catalytic converter and a new new secondary air pump.
Let's assume that this diagnosis is correct and the repair is accurate for the sake of this posting (and I have no doubt it is). In other words, I don't want to get my question derailed on that issue.
The car has new Michelin tires on it and runs well. The problem is that it will fail the state emissions test I am required to take next December, and I will either be forced to have the car repaired or will not be able to get updated license tabs (isn't that sweet?!).
It seems that I have a few options:
1. Get the repair done (ouch) and keep driving the car for a few more years. Repair cost is about what the market value of the car is (from what I have seen).
2. Sell the car "as-is" between now and December and see what cash I can get out of it. Any buyer will discount the value of the vehicle based on the repairs needed. Of course, then I'll need a replacement vehicle of some sort.
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Took my car in for emissions and says catalytic converter is not ready.
What can I do to make this go to "ready"?
I've recently got my computer flashed with new programming.
Since it's been flashed, I've driven the car over 400 miles.
All of the cars self checks should be complete, I can't figure out why the catalytic converter won't go to ready!
Any thoughts or tricks to make it work?
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Does this mean the DPF is shot? I believe its integral with the cat. whats worth checking first?
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105,000 miles on my R32, starting to get check engine light for catalytic converter. Any cheaper options to VW originals that won't harm performance?
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My exhaust on my 01 was rattling. It was coming from the catalytic converter, I assumed it was the heat shield. Put it up on the lift and lo and behold it was something in the cat that was rattling. I was popping a code for the cat anyways so figured I'd just swap it out. Fast forward to tonight. I get the car back up on the lift and I wiggle the cat but no rattling? I go farther back to the first muffler/resonator now it's rattling. It's not a hanger or a heat shield or metal to metal on the outside, there is obviously something of substantial mass inside of it I can almost feel where it is by wiggling around. I chose to wait and cut the exhaust up a different night because I plan on taking that section out as well now, hoping to get out whatever is rattling. If not I'll just have some spare pipe on hand to replace it.
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