[W126 Coupe] Catalytic converter

[Steve Nervig]

Usually, if the heat shield is mounted on the underside of the cat,  
its reason to be there is to help prevent a fire starting if you  
happen to park on something flammable, like dry grass, or cardboard  
patch in your garage, for instance.

Steve


On Jul 28, 2008, at 12:16 PM, Jonathan Hodgman wrote:


> That heat shield has rusted off more cars then not @ this point..  I  

> wouldn't worry about it.  If you are worried, it shouldn't be touch  

> for someone to put that back on or bend some sheet metal around your  

> cat etc..

>

> Were it my car I'd just leave it be.

>

> Jonathan

>

>

> On Mon, Jul 28, 2008 at 2:28 PM, Markus Meyer <mfm at meyerprobateproperties.com 

> > wrote:

> Lou,

>

> Should be "re-installable".  I haven't looked under mine in a bit,  

> but I know my truck has a shield that is loose as I saw it hanging  

> the other day.  On that, the shield attaches on both sides and is  

> bolted together around the converter.  I know on the 126's there is  

> heat shielding attached to the body, but possibly to the converter  

> itself as well.  I know on newer equipement I've read the literature  

> that clearly states that many high flow converters and mufflers need  

> shields as they lower under-hood temps but have higher temps of  

> their own than stock pieces.

>

> In your case, if the shield bolted on with 2 or 3 bolts, you'll need  

> to get new ones as I'm assuming they rattled loose, as opposed to  

> the shield shearing or tearing off?  If there are two shields that  

> attach to each other, I wonder if the other piece is still there.  A  

> look under there should confirm the story.

>

> Markus Meyer

>

> -------- Original Message --------

>

> I have a 1990 560 SEC which has been lowered properly and sits on  

> wide AMG Wheels. I have 149,500 miles on the car.

>

> After a visit to my daughter in NYC, and a ride over a few very  

> rough streets, I was greeted with what appeared to be a heat shield  

> on the street outside my house. I had driven about 75 miles, without  

> incident, and in the last 1,5 miles I had a scraping sound as the  

> thing had apparently come loose and was hanging down, scraping  Once  

> the shield was off the car, it was its usual self with no extra  

> noise of rough running at all.

>

> I took the shield to the new MB dealer here in Flemington, and he  

> was able to get a part number from the thing, and it is apparently  

> part of the catalytic converter. I haven't checked under the car  

> yet, but it is actually almost completely intact and looks like it  

> can be straightened out (there is a small dent) and reattached to  

> the bottom of whatever it came from.

>

> Is this possible, or am I going to have to ante up for the entire  

> converter. The rest of the exhaust system looks and sounds  

> completely intact.

>

> Any thoughts or help would be appreciated.

>

> Louis Miller

> millerlh at earthlink.net

>

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