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Registered
Join Date: Feb 2003
Location: Philadelphia
Posts: 537
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mangled tube on heat exchanger
The PO of my had new stainless heat exchangers put about 2.5 years and 3000 miles ago. The paper/aluminum hose on the driver's side won't stay on. I took a look and found that the tube is mangled. You can see where somebody tried to crimp the metal.
The problem is that the tube isn't really cylindrical. It's got a bit of a cone shape. I can fit the hose over it but as I tighten the clamp, because of the cone shape, it just slides back off. Shouldn't there be a metal elbow on the heat exchanger? There's one on the passenger side. Thanks Dave 
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1980 911SC Targa 1990 S2 Cabrio (sold) 2004 C4S (sold) 2006 Boxster (sold) |
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02-12-2013, 04:59 PM
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I think I would be trying to straighten that crimped metal and then sliding a short length of stainless exhaust tube into the heat exchanger thats long enough for the hose clip to attach firmly. The stainless pipe to be a force fit into the heat exchanger.
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1972 911T Coupe with a '73E MFI engine and 'S' pistons 10 year resto mostly completed, in original Albert Blue. ***If only I didn't know now what I didn't know then*** |
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02-12-2013, 09:12 PM
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,526
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That doesnt get flex hose, there is a 90 degree L that goes on to the heat box that the hose clamps to.
Bruce |
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02-13-2013, 05:14 AM
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Registered
Join Date: Feb 2003
Location: Philadelphia
Posts: 537
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Thanks guys. I guess the mechanic that installed it mashed it down to get the flex hose on to it. The PO paid $600 for each heat exchanger plus installation - OUCH. I'll order an elbow and see if I can straighten it out without making it worse.
Dave
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1980 911SC Targa 1990 S2 Cabrio (sold) 2004 C4S (sold) 2006 Boxster (sold) |
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02-13-2013, 05:18 AM
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cycling has-been
Join Date: Sep 2004
Location: Jersey Shore
Posts: 7,244
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looks like one of those 'muffler expanders' from the parts store would return it to a point where it would workable again.
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73 911T MFI, 76 912E, 77 Turbo Carrera |
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02-13-2013, 06:18 AM
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Go-Kart Mozart
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Ouch. That kind of butchery ought to generate an a$$ chewing. On the bright side, you don't have to have a perfect seal on the heat exchangers like you would a fuel or oil line. A small 6" crescent wrench with the jaws closed down will work well to allow you to reform the opening. -J
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02-13-2013, 06:54 AM
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1972 Porsche 911T
