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Date: Mon, 30 Apr 2007 23:48:51 +0100
From: "Charles C." <c.k.christacopoulos.removeme.nospamee.ac.uk>
Subject: Re: Bosal Exhaust ... rear silencer, intentional pin hole or not?


Charles C. wrote: > Hi, > > Crossposting to alt.autos.saab and uk.rec.cars.maintenance. > > The car is a SAAB 9000 (year 97, 2.0 LPT). Today I had a mid and rear > section exhaust fitted by Kwick-Fit (Partco parts if it matters). > > The 2nd (last) silencer has a pin hole at its rear plate. By rear plate > I mean the end that connects to the mid section. The pin hole appears > intentional (I could only feel it not see it) and is low down in the > middle of the back plate. > > http://www.catalogue.bosal.com/pages/exh_system_list.php?query_nr=6&make=saab&model=9000&body=Hatchback&cartype=2.0&fuel=B&year=1997 > or > http://tinyurl.com/2t4fsu > > Just imagine a pin hole around 1 mm in size on the left plate (as you > see it) of the final silencer. > > I am told that Vauxhalls (what a coincidence) tend to have such a hole > and it is to help the rear silencer stay dry so it does not corrode > internally. Does it sound true? > > I can understand the issue of corrosion, but I don't see how that hole > will help in any way but ... it does not feel like a drain hole. > > Any comments appreciated. > > Regards > Charles > > PS. For my SAAB friends. When I looked around 2000 for a complete Bosal > exhaust, Bosal did not make the last section for post 1996 9000s. I > guess by that time GM was sourcing SAAB exhausts elsewhere whereas > before Bosal had been the OEM for SAAB exhausts. > Bad form replying to my own post. Googled again and first hit (why did I search for earlier?) tells me there is a drain hole. If anyone is interested ... http://www.bosal.com/unitedkingdom/downloads/AM02.pdf Sorry for the noise. Regards Charles -- Please remove _removeme_ to reply.

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