I'm getting ready to replace the transmission vacuum modulator and will need to adjust it properly. What's the size of the bolt where I have to put the nipple to attach the hose with the gauge? PeachPartsWiki says to use an ALDA banjo bolt. But unfortunately I don't have one and there are no diesels in the YJ's close by to grab one from. Thanks.

PeachPartsWiki: Transmission Vacuum Modulator Adjustment

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).