Quote:
Originally Posted by andrewwynn
https://chatgpt.com/share/6a739f2c-2...c-e91ba17e970f
here's what GPT has to say... def. pull the DiSA and start there... mine made a very different sound much faster rattle when it failed but especially since that was a recent repair, it's good to check. when doing the repair, you did track down the little pin from the OE disa correct ?
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The pin was still intact on the valve luckily - i was super careful about not dropping that thing.
Another thing I do want to mention when rebuilding the DISA valve. I noticed the metal clip that holds the vacuum pot lever to the bell crank was a little to low; giving the vacuum pot lever very little play to move up and down. I didn't know the instructions specifically stated not to do that before hand; the vacuum power lever needed a little play to move up and down the bellcrank lever. I was able to pry the metal ring up a little bit to allow for a little play but I didn't couldn't get enough of a grab to allow for more play without bending or breaking the damn thing. I believe thats the cause for the valve flap to drag a little when testing the diaphragm. I suspect driving it like this resulted in having this noise - im not sure yet.
here's a pic to describe what i'm talking about.
https://imgur.com/f7DYyI5