RE: [doc] Heat Sheild under the CAT

["Paul" <willinot@xxxxxxxxxxxxxx>]

Thanks,

I was putting the "off a cylinder" down to the damp weather and uncovered
coil cos it runs fine in the dry.  I have replaced the distributor and rotor
arm when I replaced the coil, leads and plugs.

Paul J
2493

-----Original Message-----
From: doc-uk@xxxxxxxxxxxxxxx [mailto:doc-uk@xxxxxxxxxxxxxxx] On Behalf Of
Richard Hutchinson
Sent: 16 May 2006 08:31
To: doc-uk@xxxxxxxxxxxxxxx
Subject: RE: [doc] Heat Sheild under the CAT

My cat heat shield did exactly the same thing. If you install the cat
bypass you can do away with it as there is plenty of air space around
it.

If you keep the cat, you do ideally need the shield otherwise the engine
could suffer localised heating around the area.

If the coil area is dry, there's no reason why the damp weather should
affect it - the coil cover is not exactly watertight.

Check/replace the connections on the coil. Check/replace the connections
on the ballast resistors. What about the dizzy cap/rotor?

Rich H
DOC 365 VIN 1274


> -----Original Message-----
> From: doc-uk@xxxxxxxxxxxxxxx [mailto:doc-uk@xxxxxxxxxxxxxxx] On Behalf
Of
> Paul
> Sent: 16 May 2006 00:26
> To: doc-uk@xxxxxxxxxxxxxxx
> Subject: [doc] Heat Sheild under the CAT
> 
> Hi Guys,

> I was driving up the road today and all of a sudden noticed smoke
coming
> out
> from my engine bay.  As you can imagine I was not impressed and
quickly
> pulled over to the hard shoulder to investigate.
> 
> It turned out that the heat shield under the cat had became soaked (it
was
> raining quite heavily and the roads were drenched) and had started to
> disintegrate and seemed to be burning oil off it or something.  There
does
> not appear to be any oil leaks (checked levels after car was sitting
for
> five hours and everything seemed ok, also had no oil on garage floor)
so
> not
> sure if it was just a build up over the years that when the shield
broke
> down caused it to burn off.
> 
> The car is running of a cylinder up till about 4000revs but im putting
> that
> down to not having a coil cover and the dampness (correct me if im
wrong)
> cos I replaced all the HT leads and plugs and the coil.
> 
> My main query is, do I need that heat shield and if I do, could I do
> without
> it if I installed the cat bypass pipe.

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