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DCAC 
Orange Level
Joined: 20 Oct 2018
Location: east central SD
Points: 529
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 Topic: washers
Posted: 11 Apr 2021 at 12:48pm |
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What are your opinions on using washers under head bolts if there were no washers from the factory? How about thread sealant on the bolt heads? I used never seize under the head and on the threads, but haven't torqued anything down yet, just finger tight.
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Jim.ME
Orange Level
Joined: 19 Nov 2016
Location: Maine
Points: 972
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Posted: 11 Apr 2021 at 1:03pm |
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If it didn't have washers and there is not a service bulletin, or other qualified instruction, saying to add them, I would not add them. Sealant and lubrication should be spelled out in the service manual if needed. I follow the manual instructions. Run a tap in the holes and blow them out to clean them. Wire brush the head bolt threads if they are being reused. Light wipe with oil at the most, if nothing is specified. Cast by it's makeup provides its own lubrication. JMHO
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Robert Musgrave
Silver Level Access
Joined: 11 Sep 2009
Location: SE Wisconsin
Points: 246
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Posted: 11 Apr 2021 at 1:39pm |
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For general fastening, if machinery came with lock washers, Dad would always re-assemble with added FLAT washer first, then the lock washer then the nut. When nylon infused nuts came out, I would see him throw them away and go to the flat washer, lock washer and standard hex nut routine. He would "coast" nuts on by hand then give them a torque with the wrench. He passed on last year at 97 years old. R. Musgrave
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 90826
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Posted: 11 Apr 2021 at 4:06pm |
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head bolts get a couple drops of oil and assemble.. thats it.... you only use sealer on things like manifold bolts or water pump bolts that go into the water jacket.
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Like them all, but love the "B"s.
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DCAC
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Joined: 20 Oct 2018
Location: east central SD
Points: 529
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Posted: 11 Apr 2021 at 7:57pm |
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Thanks guys, I certainly appreciate your input! Maybe was a dumb question, but it can't hurt to ask
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MACK
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Joined: 17 Nov 2009
Points: 7664
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Posted: 11 Apr 2021 at 8:44pm |
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Only use harden washers under any thing that gets torqued. No hardware washers. MACK
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DCAC
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Joined: 20 Oct 2018
Location: east central SD
Points: 529
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Posted: 12 Apr 2021 at 6:40am |
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Thanks Mack!
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