RE: exhaust going?

["Titus, Brian (NJAOST)" <BTitus@njaost.ml.com>]

Confirmed today: it's a broken stud. So, it's back to the shop next week....
Also, had a flaky temperature gauge thing happening that turned out to be
the thermo-switch (not the thermostat, as I the novice mechanic suspected).
Amazingly I will get out of the shop for under $100.00 -- may be a first for
my 5K!

Brian
885ksq


> -----Original Message-----
> From:	DeWitt Harrison [SMTP:de@aztek-eng.com]
> Sent:	Monday, March 16, 1998 11:36 AM
> To:	BTitus@njaost.ml.com
> Cc:	quattro@coimbra.ans.net
> Subject:	Re: exhaust going?
> 
> On Sun, 15 Mar 1998 18:00:16 -0500, Brian Titus wrote:
> >I've recently detected a much 'sportier' sound coming from my 885ksq --
> >sounds like the beginnings of an exhaust leak, but I haven't been able to
> >find it yet. Seems to go away after warm up. Just wondering if there is a
> >well-known exhaust manifold failure mode on the NA 5Ks, or anything else
> I
> >should be looking for...
> 
> Noisy when cold, quiet when hot; sounds like EM leak to me. The
> possibilities are loose EM nuts, broken EM stud(s) and cracked EM.
> All of these are to be expected sooner or later on the MC engine -
> sooner if you flog it with some regularity.
> 
> DeWitt Harrison    de@aztek-eng.com
> Boulder, CO
> 88 5kcstq