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Front Wheel Bearing Replacement
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#11
10-27-2023, 07:54 PM
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Quote:
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http://vimeo.com/29896988 “Those that can make you believe in absurdities can make you commit atrocities.” Voltaire. "There is grandeur in this view of life...." Darwin. The mountains are calling and I must go. “The earth has music for those who listen” Shakespeare. You Matter. (Until you multiply yourself times the speed of light squared. Then you Energy) “We’ve got lots of theories, we just don’t have the evidence’. 
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#12
10-27-2023, 11:03 PM
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Don't use power tools to run the Sir Tools screw. A$k me how I know...
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Peter (not "Pete") K. 2016 Cayman S 1999 Miata ("SM") race car 2016 Toyota Highlander--tow vehicle/wife's DD 2017 VW GTI SE (DD) Gone and missed: 1992 Miata ("SSM") race car 2009 911 C2S Coupe 2004 Toyota Prius - sold to son's girlfriend 2006 Dodge Durango 2003 Acura MDX 86 Black 911 Coupe race car 86 Gold 911 Targa 82 WineRedMetallic 911 Targa
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#13
10-30-2023, 08:38 PM
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I had a machinist pal make me a tool specific to Porsche sealed RWB that is something like this set
https://www.amazon.com/Orion-Motor-T...969059348&th=1 Using this type of tool makes this job so easy. I typically clean the inside of the bearing socket in the arm with some emory paper to get any high spots and corrosion off. Once clean, I smear a thin coat of Castrol Optimol (lithium) paste on the inside of the arm race.This keeps the bearing from binding and going in crooked. Heat it with a MAP gas torch and use the tool to pull it back in. Note the first few mm are the most important to make sure the bearing is going in straight. If it gets crooked it will peel some of the aluminum metal and may get wedged when the bearing bottoms out and you won't be able to get the snap ring or bearing cover on all the way. Another tip is to take the dust deal off the sealed bearing and make sure it is greased properly with a good grease. There have many instances of poorly greased bearings failing prematurely due to this. Easy to do I use Mobilth SHC220 grease for the race cars as recommended to me by a Porsche pro race team mechanic and supplier.
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Steve Potomac PCA Co-CI(retired) 89 944 Turbo Race car 85.5 944 NA son's 2015/2019/2020 944Cup and PCA Nat'l Champ racecar 94 968 1 of 11 Iris blue coupes 92 968 1 of 2 Tahoe Blue Cabriolets 98 993 C2S w/Aerokit II 77 911S Vintage race car project 70 Boss 302 86 Mustang SVO 08 F250 SD Diesel 15 Audi SQ5 "Noel spun! Noel spun! Don't do anything stupid, Dad." -the boy on the radio on the last lap of NASA race as the second place car spins behind me in T5 at Summit Point.
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#14
10-30-2023, 09:11 PM
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I did the fronts today. Put the hub in the toaster oven and heated to 375 for 30 mins. Big side went in with a few good smacks with the big hammer and another bunch of smacks just to make sure it was all the way in. Reheated and reapeated the process. Spins nice and smooth. No road test as its raining but confident its good to go.
Made sure I did not over tighten the bearing. I think that was the cause of the failed bearing. Sincere thanks for all the help! Chris
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Chris M 73 911 E 89 Carrera
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#15
10-31-2023, 10:06 AM
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Precision tools of the trade
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Chris M 73 911 E 89 Carrera
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