Posted by Keith in Washington [172.68.132.56] on Saturday, April 17, 2021 at 20:27:08 :
In Reply to: vacuum source posted by Karl [162.158.74.146] on Saturday, April 17, 2021 at 18:07:43 :
Yes there is a threaded hole in the rear top of the intake manifold. My truck which is original taped into that hole for the wipers. I it’s not being used it needs to be plugged with the appropriate sized plug with is has a standard pipe thread.