[s-cars] Re: Rattling heat shields

[Robert Myers]

One additional purpose for the heat shield - that kitty gets HOT!  Hot
enough to possibly ignite dry grasses should you happen to park the car in
the midst of some dry tall (10-12 inch) grass.

At 01:36 AM 6/25/02, Dave Forgie wrote:

>Mike: I presume the reason that no one answered you is no one has
>actually tried to fix the heat shields - other than to pull the rusty
>bits OFF the "Y" pipe.  As I remember the story, the reason for the
>shields is to retain heat upon initial start-up so the catalytic
>converters "light" sooner rather than later (probably a matter of a few
>minutes earlier than without the shield).  I believe that once the car
>is warmed up, and the cat's are at operating temperature, there is no
>real benefit to the shielding (maybe some less heat in the floor of the
>car), if you aren't acutally driving.  If your local "Air Care"  exhaust
>emissions testing facility is like ours in Vancouver BC, they want you
>to have run the car for a least ten minutes before you go for the test
>(by the way, this is now on a 4 wheel dyno for the 4WD (including
>quattro) cars).  As a result, if the air quality don't really care about
>those initial few minutes, then the shields have no real purpose.  Maybe
>it vas different in der Fatherland under strict TUV or DIN-type testing,
>yes?
>
>Dave F.
>
>Mike Bess wrote:
>
>Anyone have a fix for the infamous rotting exhaust heat shield
>situation.
>Going over rough pavement makes my '95 S6 sound like its ready to fall
>apart
>(like my '88 Chevy PU with terminal rot).  I know that the only real fix
>is
>to replace the $$$pipes.  Any ideas about Home Depot fixes such as worm
>clamps, insulation, steel shims, etc.
>
>TIA,
>
>Mike Bess
>
>
>
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Bob
*****
  Robert L. Myers   304-574-2372
  Rt. 4, Box 57,  Fayetteville, WV 25840 USA   WV tag Q SHIP
  '95 urS6  Cashmere Grey - der Wunderwagen    ICQ 22170244
  http://www.cob-net.org/church/pvcob.htm
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