They say that there are no dumb questions ... so here I go
We have a 71 LS5 that is almost 100% orginal ... I know that there is a system that "pulls" gas fumes from the gas tank area up to and through a carbon filter by using vac. from the carb ( PCV system) .. I just noticed the other day that there is NO seal on the under side of the gas cap .. yet it is marked "sealed"
My question is should there be a gasket of some type on the gas cap under side
What happens if the vac line leading down to the carbon filter is "plugged off" and the gas cap is left without the seal .. The entire reasoning for the questions is that I smell gas fumes from the area of the carbon filter and I am thinking that the system no longer works as it should .. so I was thinking of plugging the vac source, leaving the gas cap without the seal and plugging the line that runs along the drivers side of the car UNTIL I can get all the parts to repair properly .. we are leaving from Bowling Green in 2 days and I don't have time to do any major repairs
We have a 71 LS5 that is almost 100% orginal ... I know that there is a system that "pulls" gas fumes from the gas tank area up to and through a carbon filter by using vac. from the carb ( PCV system) .. I just noticed the other day that there is NO seal on the under side of the gas cap .. yet it is marked "sealed"
My question is should there be a gasket of some type on the gas cap under side
What happens if the vac line leading down to the carbon filter is "plugged off" and the gas cap is left without the seal .. The entire reasoning for the questions is that I smell gas fumes from the area of the carbon filter and I am thinking that the system no longer works as it should .. so I was thinking of plugging the vac source, leaving the gas cap without the seal and plugging the line that runs along the drivers side of the car UNTIL I can get all the parts to repair properly .. we are leaving from Bowling Green in 2 days and I don't have time to do any major repairs
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