I was attempting to rotate my tires today. After completing the left side I moved to the right and with great difficulity was able to break loose the front wheel bolts but two of the rear wheel bolts will not budge. The tow problem bolts are twisting at their neck and are now off center in the bolt hole. The 90lb.ft impact wrench did nothing, the four way lug wrench was worthless and the breaker bar with a five foot extension torqued the shafts. I really do not want ot break these off. Is there anyway to get to the back of these bolts to get some Kroil on them? It currently is drivable and would like to keep it that way as much as possible.
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Dreaming about the 2010 Zero S
2002 BMW R1150RTP (ex CHP) Primary transportation.
1999 E320 Estate AWD Black/parchment. Secondary transportation and tow vehicle for above.
1992 Chevy Corsica, MY first(actually second but the first one I paid for)car, gone but not forgotten.
Vehicle: 96 E-320, 91 190E, various and sundry Euro and American vehicles
Location: N/W Chicago in the cornfields
Posts: 12,141
I havent tried this, but soak em up with wd-40 or another penetrating oil, and come back at them a day later. Not so sure the stuff will get in deep enough to do much good, but it's worth a shot.
Seems like they were way over torqued last time they were installed. Try PB Blaster and soak it, much better than WD-40. I broke one of mine when i first got the car due to the PO's Les Schwab habit. Was able to drill into the bolt end and unscrew it that way.
I have already soaked it with Kroil (better than everything else) from the front. Haven't figured out if I can get to the rear of the rotor to hose it form that side.
Its not due to over torque, i have never let anyone touch my wheels except me, and have always torque them up myself.
When i spoke to the dealer its a very common problem, and they have a shorter bolt as a replacement, and that is what the dealer does when they break on them.
Apparently the only way to get them out is to heat the wheel up and let the bolts release themselves.
I had the bolts over-torque themself as well. Not common issue, but it happens.
I understand that you have the extended head bolts that were coming on those cars in earlier years. If you use single level wrench on them the bending force will bend the head before loosening the thread. There are 2 ways to avoid the problem.
1. find thick socket (impact socket), that will rest in the wheel hole without much play, therefore prevent the head from bending.
2. use impact wrench, or cross bar wrench that is not applying bending force.
The bolt is over torq or miss treted you may truy spraying but may not work get as much torq as you can if she brakes on you remuve the wheel end with bolt stud remuver you will get it out if that to much for you go to a shop they should'nt charg you more .40/hr
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