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Budd, those head studs can be a pain.. If they all came out but one it probably isn't stuck too bad either.. ~Every case of a stuck stud has to taken on it's own.. They're not always stuck the same or in the same way.. ~If you don't plan on reusing that stud I would start by double nutting it... Then tighten the nuts together [I presume you have already tried that]... If that doesn't work, try turning the stud out with a wrench on the inner nut of the double nut & at the same time put a pipe wrench on the stud close to the block [that will usually will get them out].. If still no luck try heating the block around the stud first & re-trying the above.. If still no luck heat the stud red hot near the block [that will expand it] , then let it cool [that will contract it] , then try the above double nut & pipe wrench again.. If still no luck, try heating the stud again & as it cools apply penetrating oil & at the same time give the nut end of the stud a good couple of strikes with a big hammer, then after it cools try again... ~I always use Lock-Tite 262 when reinstalling those head studs, you don't want them spinning when you remove or re-torque the head nuts. Anything with a slick sealer like Teflon will allow them the chance to work loose at a later time. ~As far as new studs, the replacement Deere studs should be harder than the originals [if they are the dark colored ones].. You might also try Correct Connection to see if they have what you need [you will need to give them the size].. [814-926-2777]. [email protected]
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