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#1
02-10-2009, 11:59 PM
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Removing pressed in studs.
Whats the best way to remove pressed in valve studs. I tried stacking washers and using the 3/8 nut tightening it against the washers to pull it out, but all I did was strip the threads on the nut. Do you need to heat the base up?
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#2
02-11-2009, 03:18 AM
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They should pull right out the way you tried- that's basically what the shop manual always said to do, and it's worked for me. Get a better nut, at least grade-8. If you've got some older car parts to search through, find a 3/8-24 nut that's about twice as thick as a normal nut- that's even better.
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) |
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#3
02-11-2009, 09:04 AM
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The factory lock-nuts work well. The best way is to either buy the stud-puller or take it to a shop that has one. We have one that uses threads and an impact "gun". There are also hydraulic stud removers (big $$).
Jim |
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#4
02-11-2009, 11:08 AM
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Press inn stud removal /Pontiac Gregg
You're doing it right, use connecting rod nuts, they hang in there great.
You will be able to pull like 10 studs b 4 you need a new nut. use oil. Give me your address and I'll send you some. Pontiac Gregg 1-303-776-0877
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Greg Merrick |
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#5
02-12-2009, 10:18 AM
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Found I only had a couple threads contacted when trying to pull. I was using the factory nut. I wasn't using any oil to lube so that should help. I will use a stronger nut and give it another try. OINK 1, Thanks for the offer for nuts, I already have some laying around, just didn't think about using them.
Thanks everyone for the info, I'll give it another try. |
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#6
02-12-2009, 04:07 PM
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use a 1/2 inch drive socket for a spacer. A 7/16 to a 9/16 should not be too tall.
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Its ok to giggle and snicker, Dont laugh and point |
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#7
02-13-2009, 11:06 AM
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Finally got them. Got grade 8 nuts, used oil to lube, stacked washers with a big 3/4 nut in between as a spacer. When it let loose it would pop with a cracking sound. Then it was just a matter of adding washers and tightening, until it pulled loose. Man there is a little heat put into the nut while doing this and I used a nut for every 2 studs, then got a new one. I tried the socket in between as suggested but either the 1/2 drive socket was too tall the ones that would go over the stud or the right height ones were too small dia. to go over the stud, so I used a 3/4 nut I had laying around.
Now Iam making a tap guide out of 1-1/4 x 2 x 3 A2 tool steel with an alignment pin so I can bolt it in the push rod guide mtg. hole, align with the pin, tighten down and be able to hand tap straight on the bench with 1/2-13 tap, then remove and finish up with a bottom tap. I love it when a plan comes together. Thanks for all the Help. |
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