Cleaning the catalytic converter
Title: 2 people to remove a cat?
<p>In most modern car's the exhaust bolts aren't the easiest to get to, they're often at funny angles which require a little bit of thought and some perseverance to get to and crack off. I have removed hundreds of cat's and never needed the resources that you described to remove one.</p> <p>And on the generic catalyst subject, yes, on occasion bends are required, these can be either fabricated with an angle grinder / welder, or pipe bender if you want to be professional about it, or simply weld in bends from old exhaust pipe. These procedures are not that complicated. If you can't operate an angle grinder then it's probably best that you don't try welding.</p> <p>The cat in the picture is melted / face plugged, this cat should be replaced, the overtemperature has damaged the substrate and could cause it to break up and become lodged in the exhaust during engine operation.</p> <p>In answer to the question about the complexity of a cat, the mesh that you see is a ceramic brick, this is the expensive part, they aren't mechanically complicated, they're expensive because the wash coat applied to the substrate uses expensive precious metals and procedures.</p> <p>To be honest though, if you couldn't remove the exhaust on your own you probably should have stopped there and taken it to someone with more than 3 spanners in their toolbox.</p>
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Page last modified 12-Dec-12 22:09:54 EST
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