So I determined the cause of my backfire. The valve is not cutting off the air as when I suck on the vacuum line it does not hold air and the valve does not move. Interestingly it is a GM part no 7030761 which I find I can get a replacement according to NAPA (OK it was the only site I could find that actually referenced this number, GM does not) for $55+.
So questions 1. is it worth it - obviously the air pump and check valve still work (and consume power) 2. anybody ever bought this part as it looks like mine has been replaced. 3. I know I can remove the air manifold and block the ports with brass plugs, but how easy is it to get the manifold off ? I am tempted to just dump the air pump etc. But thought that in case anybody needed the info on a new valve for emissions purposes it might be useful. Alan /// [EMAIL PROTECTED] mailing list /// Send admin requests to [EMAIL PROTECTED] /// or try http://www.team.net/cgi-bin/majorcool /// Archives at http://www.team.net/archive /// Send list postings to [EMAIL PROTECTED] /// Edit your replies! If they include this trailer, they will NOT be sent.
