yeah, it's a great buy
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Originally Posted by CRX Millennium
Situational update: dealer replaced the rear wheel stud, due to not being able to find any clear instructions on DIY. According to the dealer, wheel bearing, brake caliper, and hub assembly all had to be removed to get one little bolt replaced. Thanks to great Mazda engineering! 2 hr labor charge ~!@$
Bought the good-quality McGard 64002 (M12x1.5) from PepBoys for $8/4-lug-nuts and anti-seize. Torn about applying anti-seize due to overwhelming recommendations from those of you who swear by the lubricant, while tons of warnings can be found against the practice. See: NASA Stress Test http://www.tundrasolutions.com/forum...lug-nut-studs/ ScoobyMods http://www.scoobymods.com/forums/arc...hp/t-2884.html TireRack http://www.tirerack.com/tires/tirete....jsp?techid=39 MotorAge http://www.findarticles.com/p/articl...4/ai_n15692083 One thing for sure, I will try to use air compressor to clean the stud thread and enclosed lug nuts. Theoretically, the lube reduces the amount of torque required to get the correct pre-load in the bolt. So, if you use anti-seize and use the full 108 ft-lbs specified by Mazda you are stretching the studs by a greater amount than Mazda intended and putting greater forces into the hub. Whether or not this is a problem is hard to say. Fatigue failures are notoriously hard to predict. But it's equally hard to predict how quickly the studs will degrade due to friction & contamination in the un-lubed state. Galling can also cause failures, as already noted. I run 90 ft-lbs with anti-sieze as a compromise. Don't know if it's right or wrong, just a guess. :dunno: |
Agreed.
I worry more about galling threads than breaking the stud through over-torquing. |
Originally Posted by CRX Millennium
Is that so? The bolts sit atop of brake shield in the attached pdf. How would hammering affect the wheel bearing? If I was to cut the damaged bolt short, than backing it out should by easy. The problem is putting the new long bolt in with limited clearance space.
I think the board will benefit in a huge way, if Jason can do a DIY on the rear. The front is here in case anyone is interested: https://www.rx8club.com/series-i-do-yourself-forum-73/diy-replacing-front-wheel-studs-73670/ How would hitting your average hole in the highway at 80mph with a 3000lb car on top of it affect it. :) |
Originally Posted by ULLLOSE
(Post 1484185)
I have done one of each, it is easy. Give it a wack with a hammer and it will pop out. Then use a spare nut and some washers to pull the new one in. If you rotate it to the right spot both front and rear can be done with only taking off the wheel.
Please help a fellow racer with issues at the track. This experience has made me hate and fear tire changes. Right now, if there were issues at the rear, I'm done for the weekend....which is an awful feeling. Thanks. |
anti-seize your studs, use 90-95 ft-lb torque, replace the OE nuts with a set of McGard or Gorrilla lug nuts, and pray
otherwise the rear hub will need to be disassembled one member did manage to swap one out without disassembly by grinding down the stud heads on one side so that it could be slid out/in from behind the hub |
:uhh:
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Originally Posted by TeamRX8
(Post 1951979)
anti-seize your studs, use 90-95 ft-lb torque, replace the OE nuts with a set of McGard or Gorrilla lug nuts, and pray
otherwise the rear hub will need to be disassembled one member did manage to swap one out without disassembly by grinding down the stud heads on one side so that it could be slid out/in from behind the hub 1) Cut the disc cover 2) Filed down the stud head on one side to get past the rear knuckle 3) Used a hammer. Lightly ;) Even after rotating the hub, cutting the disc cover, and filing the stud head, it still was a huge pain to get the stud past everything. If I had to do it over again, I would consider just disassembling the hub. I will do everything I can to prevent this from happening again. Tommorow, I'm buying McGard lug nuts for my autox wheels and some anti seize... I already picked up a fresh set of Dorman lug nuts to replace my crappy street lug nuts. Any experiences w/ Dorman lugs? Should I go online and get a real set? The Dormans were the only set the local store carried that fit my silly heavy bling SSWs. |
cutting the disc is not what most people want to do, but it would prevent having to remove the hub
get the Gorilla nuts with the small 17mm hex if you can, these are what Tirerack provides with SSR wheels, they are great and relatively light, lets almost any socket fit in the tightest wheel holes |
Originally Posted by TeamRX8
(Post 1976599)
get the Gorilla nuts with the small 17mm hex if you can, these are what Tirerack provides with SSR wheels, they are great and relatively light, lets almost any socket fit in the tightest wheel holes
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I hate spline lug nuts ...
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