As far as I know, the filter is there to make life miserable for people who need to make their '79's smog-legal.
Seriously, the only reason is to keep particulates out of the intake manifold - stuff like rusty bits of muffler... Chuck Kuecker Anthony Toyofuku wrote: > Hi, > > My 1979 fuel injected Super Beetle is equiped with an EGR Filter. > > Does anyone know specifically what this filter is for? I'm not so much > interested in the EGR process itself, as I understand it's used to cut > down NOx emissions. I'm interested in the purpose of the filter. > > Is it used solely to clean soot and particulates from the exhaust gases > before the air is recirculated back into the intake manifold so that the > junk doesn't damage the cylinders, heads, and pistons? > > Or is the filter used to actually aid in cutting down emissions? > > What's in the filter? Charcoal? Has anyone cut one open and cleaned an > old one out? > > Thanks, > Tony > _______________________________________________ vintagvw site list [email protected] http://lists.sjsu.edu/mailman/listinfo/vintagvw
