Cylinder stud removal
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HDF Community Team
Joined: Aug 2019
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From: Santa Ana, CA
Cylinder stud removal
I need to replace the cylinder studs on my motor but am a little nervous about this as I don't want to snap off a stud or screw up any of the threads. I have the stud removal tool but with a 20 year old motor I am assuming this may be a little difficult. I believe Dan at Hammer said these have loctite on them so heat will be required. Anyone done this and have any advice or words of wisdom?
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HDF Community Team
Joined: Aug 2019
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From: Santa Ana, CA
They stretch over time after the head has been removed a couple times. One of my head bolts won't torque down because the bolt is likely bottoming out on the stud due to it being stretched. When I torque the bolt it undoes itself slightly when pressure is released on the wrench.
Seasoned HDF Member
Joined: Apr 2011
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From: W. Texas
It might be that being 20 yrs old the bolt is stuck to the stud. Long shot but who knows.
Just curious why are yo torquing the heads ? Has it been apart ?
What your saying in my mind is a not very likely at all Sir
WP
Just curious why are yo torquing the heads ? Has it been apart ?
What your saying in my mind is a not very likely at all Sir
WP
Stellar HDF Member
Joined: Apr 2016
Posts: 3,323
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From: Masshole
I changed mine on my shovel during a rebuild. I tried with just a remover, nope, wasn't going to happen. Did penetration oil a few times letting it sit for 24hrs. Next day hit it with my induction heater til cherry, blast of penetrating oil and came right out. Had all 8 out in about 30 minutes.
If you don't have a heater, well worth it! Used mine many times. You can find them cheaper on eBay but all from China with long shipping. Sure, this ones China too, but same day delivery!
If you don't have a heater, well worth it! Used mine many times. You can find them cheaper on eBay but all from China with long shipping. Sure, this ones China too, but same day delivery!
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HDF Community Team
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From: Santa Ana, CA
Last edited by OCSpringer; Nov 9, 2023 at 07:15 AM.
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Thread Starter
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HDF Community Team
Joined: Aug 2019
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From: Santa Ana, CA
I changed mine on my shovel during a rebuild. I tried with just a remover, nope, wasn't going to happen. Did penetration oil a few times letting it sit for 24hrs. Next day hit it with my induction heater til cherry, blast of penetrating oil and came right out. Had all 8 out in about 30 minutes.
If you don't have a heater, well worth it! Used mine many times. You can find them cheaper on eBay but all from China with long shipping. Sure, this ones China too, but same day delivery.
If you don't have a heater, well worth it! Used mine many times. You can find them cheaper on eBay but all from China with long shipping. Sure, this ones China too, but same day delivery.
My brother is a marine diesel mechanic. He may have one of these handy tools.
Last edited by OCSpringer; Nov 9, 2023 at 07:30 AM.
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Grand HDF Member
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From: river
I think fueling recommends replacing the studs every time the head is removed because of this.
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HDF Community Team
Joined: Aug 2019
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From: Santa Ana, CA
I agree. It's a great way to sell $120 stud sets. But it does speak to the fact that occasionally they do need to be replaced.