Not sure if this will help you or not… https://www.thetruckersreport.com/truckingindustryforum/attachments/1mm-2ks-2ws-6nz-7cz-pdf.262561/
https://www.supermiller.com/pdf/sk25762.pdf
Is it possible you have a rubber plug go bad that sets in lower part of block? There is 2 per side but one hole is used as your dipstick tube.
My 06 Pete did that same stunt. When I was going down the road with the cruise on and applied the brake it just kept going. It turned out the...