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Date: 10 Dec 2004 20:47:36 GMT
From: Dave Hinz <>
Subject: Re: steam at radiator (c900)

On Fri, 10 Dec 2004 20:41:23 GMT, John B <> wrote: > > I got a good look at it in mid-steam yesterday, since I was lucky enough to be > parking after a short trip just as it started. Steam seemed to be coming from > all over the radiator, particularly the top half of the radiator. Not > especially from near either the top or bottom hose. Ah well, I really should > flush the system sometime in the next few months, so maybe I'll take advantage > of that opportunity to replace the radiator anyway. Well, if there's a pinhole leak, the flush may very well expose that leak into a more pronounced hole, so yeah. > In any event, I have a more pressing issue now: it sounds like I just rusted > myself a hole somewhere in the exhaust plumbing. One practically requires ear > protection to drive the car now. Not sure if the leak is at the exhaust > manifold, or down towards the catalytic converter. Any pointers on how to > pinpoint it? An exhaust manifold crack (between #2 and #3, almost always) is more of a hiss than a roar. If you have a roar, I'd suspect the header pipe, probably where the support that goes off to the back of the transmission is welded to it. Ahem, just a guess. > If it's something I can reach in the engine compartment I might > try to fix it myself, otherwise I'll probably give it to a mechanic. Exhaust work would be a snap if not for rust. It's one of the few things I won't do on my cars, and I do nearly everything else. I especially dislike rust falling into my eyes while I'm working on stuff, safety glasses or no. Dave Hinz

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