Coolant pipe thread size?
- Thread starter JD Dave
- Start date
Thanks, that's kind of what I was thinking but I just thought if I could get a plug it would be simpler and I wouldn't have to take it off the truck.
Good luck finding a plug. I don't remember the size (30 x 1.5) sounds right. I couldn't find one. I drilled and tapped the check valve or whatever for 3/8 npt which would work in theory, but there were clearance issues, so it's just welded up with a plate.
Its 30x1.5. Whoever needs one let me know I just picked one up for someone else on this site. They are like $6.
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Steel plug. Pretty sure thats what the pipe is MS as well. Most Ive seen welded were MIG welded shut with mild steel. I could call a hydraulic shop that makes my oil lines for me they may have a brass plug but its not easy to find one that big let alone the material you want.
I've been using an aluminum plug with an H-ring groove that seals nicely with the H-ring on there. I can get a picture up sometime tomorrow for you.
Reece has run the same one for a few years with no problem and its the same one I run Im sure it will be fine. On edit looks like the place I buy them from can get them in 316 as well as brass. Brass are about $10 and the 316 is around $25. I also use a washer with integrated o ring that seals perfectly. $2 for that from local hydraulic place. PM guys who want one its on the other end of town and I wish I would have picked up a few but I figured just Mr. Mafia would want one.
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