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I was trying to locate the APC/page number in my AIM that points out the relocation of the vacuum relay valve from the upper firewall to the lower RH wheel well on my 69. Was this as a result of a particular option?
Early 1969 Corvettes have the WSW door relay valve on the right side fender well. Later 1969 have it on the firewall.
I don't know the reason that this change was made, but it is possible that it had to do with some interference problem when the valve was located in the fender well. The only interference which could have been caused would be when A/C was installed. Even then, I doubt that the valve would have been a problem at its original location.
John,
This was another case of a part or procedure being changed, and then being changed back, and then being changed again to the original. Sorta of a stutter syndrome. (This previous is not intended to denigrate anyone with a speech impediment or learning disability.) It’s similar to the front removable x-member mounting procedure.
1968-Early 1969 put the relay valve on the RH fender skirt.
Late 1969-1970 Naaaaaa put the relay valve on the LH firewall.
1971-1972 Naaaaaaa put the relay valve on the RH fender skirt
1973-1982 Naaaaa get rid of the darn thing altogether.
I don’t know why, but I have go cook dinner. The boss gets home soon.
Geoffrey
Thanks Again - Weird stuff - With no documentation available, whats your "best guess" for fastening the the relay to the wheel-well? I've sort-a seen a dual nut/bolt setup in one of the restoration rags...
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