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Ranse 
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Joined: 11 Mar 2016
Location: Tennessee
Points: 775
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 Topic: Stupid question of the day
Posted: 17 Apr 2018 at 12:13pm |
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The other day I removed the manifold off the D10 to drill and tap the bolt holes that hold the muffler on. Three of the nuts were so rusty they wouldn't come off. The stud came out of the head instead. Two of the holes were the studs were coolant ran out. After removing the manifold, I screwed the studs back in with my fingers and it seemed to stop the coolant, so I figured once everything was back in tight there wouldn't be a problem. I put the manifold back on today and I've coolant seeping out around these two studs. My first question, is this normal, or is my head damaged? I wouldn't have thought those holes went into the water cavity. Second, I need some type of thread sealant to stop the seeping. Is there something I can use that would handle the heat?
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Allis dave
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Joined: 10 May 2012
Location: Northern IN
Points: 3073
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Posted: 17 Apr 2018 at 1:23pm |
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I think it's normal that these go into the water jackets. I put #2 permatex as sealer on mine, but there might be something better.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8665
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Posted: 17 Apr 2018 at 3:30pm |
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even thread tape,but you have to tighten them good in the hole.My 45 goes into water also...
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DiyDave
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Joined: 11 Sep 2009
Location: Gambrills, MD
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Posted: 17 Apr 2018 at 5:25pm |
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its normal, prolly will stop, once the rust starts workin, again... If it bothers you, just dip the studs in blue goo, loctite, shellac, thread tape, whatever is handy. If I were putting new studs in, I'd go with locktite, but that's up to you...
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Michael V (NM)
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Joined: 12 Sep 2009
Location: NM
Points: 2486
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Posted: 17 Apr 2018 at 6:18pm |
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I would use something on the threads that MIGHT let them loose next time
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Ranse
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Joined: 11 Mar 2016
Location: Tennessee
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Posted: 17 Apr 2018 at 7:39pm |
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Thanks everyone, I'm glad to hear it's normal. It's probably something a grown man should have already known, but I didn't. I did use some thread tape because that's all I had handy. I knew it would melt, but I thought it might not matter as long as it gummed up the threads. I ran the tractor about an hour afterwards and it seemed to work. I do plan to get new studs later and I will get something better.
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Clay
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Joined: 11 Sep 2009
Location: Udall, Kansas
Points: 9977
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Posted: 17 Apr 2018 at 7:42pm |
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For holes which are open to the water jacket, I use Permatex #2 Form A Gasket non hardening pliable sealant.
Edited by Clay - 18 Apr 2018 at 12:13am
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Tracy Martin TN
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10830
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Posted: 17 Apr 2018 at 9:05pm |
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Permatex non hardening or Laco pipe dope,or tru blue works best. JMHO
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No greater gift than healthy grandkids!
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bradley6874
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Joined: 05 Sep 2010
Location: salisbury md
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Posted: 17 Apr 2018 at 9:12pm |
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Rantz you put the studs back in without taking the nuts off correct
Edited by bradley6874 - 17 Apr 2018 at 9:13pm
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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john(MI)
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Joined: 12 Sep 2009
Location: SE MI
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Posted: 18 Apr 2018 at 12:38am |
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If you want to remove the nuts, heat them cherry red and then throw cold water on them. This separates the metals. Work great when I did it in my D14. I did overheat a couple too much, but I was planning on using new nuts anyway.
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D14, D17, 5020, 612H, CASE 446
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