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914World.com _ 914World Garage _ Rear brake rotor removal

Posted by: 1.8914 Mar 10 2007, 05:47 PM

Hi guys...trying to get a wheel bearing and brake job done on my 74. Is the castle nut holding on the stub axle supposed to be super tight or am I missing something? I've never had one put up this much of a fight but never have done a bearing/cv replacement either.

Thanks! - Jeremy

Posted by: davep Mar 10 2007, 05:58 PM

I have a couple that I have not been able to remove. I guess they just need more heat and a bigger impact gun.

Posted by: Bigbohr Mar 10 2007, 06:03 PM

Had one that I couldn't get off either. Had to get help of an impact wrench to get it loose. Even then the darn thing still put up a (very brief) fight before letting go.

Posted by: So.Cal.914 Mar 10 2007, 06:09 PM

QUOTE(davep @ Mar 10 2007, 03:58 PM) *

I have a couple that I have not been able to remove. I guess they just need more heat and a bigger impact gun.


agree.gif Or a breaker bar and a long piece of pipe and lots of heat, a ox /acetylene or even mapp gas torch.

Posted by: Twystd1 Mar 10 2007, 06:24 PM

I keep an old 5 foot long piece of 2 inch galv pipe in my garage for just such occasion.

With a quality breaker bar and a propane torch. I can dam near flip a car over.

Go Home Depot and buy a stick of galv pipe. get a short one and long one.

You will have cheater bars for life.

And the short bar works bitchin for rolling fenders.....!!!!

C

Posted by: Dave_Darling Mar 10 2007, 06:29 PM

QUOTE(1.8914 @ Mar 10 2007, 03:47 PM) *
Is the castle nut holding on the rotor supposed to be super tight or am I missing something?


I dunno, it's "only" spec'ed to about 250 lb-ft. Plus however much it takes to overcome the rust that holds the nut and stub together.

Plus however much it takes to break the cotter pin... (D'OH!)

--DD

Posted by: Aaron Cox Mar 10 2007, 06:39 PM

make sure you remove the cotter pin first chairfall.gif

recently i was taking apart some 68 911 arms....after breaking both cotter pins off... and tapping em out... the nut fought my impact for a while. soak in wd40....
came back... worked great smile.gif

Posted by: jr91472 Mar 10 2007, 08:14 PM

wheaties....eat your wheaties.... biggrin.gif

Sorry....seriously solvents and physics are your friends (aka PB Blaster and a long breaker bar). I slipped the 4 foot handle off my floor jack over my 2 ft breaker bar to increase the leverage. Oh and chalk the wheels - I pretty much rolled my car out of the garage before mine gave it up.

good luck

Posted by: 1.8914 Mar 10 2007, 09:32 PM

Hi guys...thanks for the help. Didn't need to worry about the cotter pin as whomever was in there last didn't put it back in! I stopped to watch some tv and drink a beer beerchug.gif with the neighbor as it soaked in liquid wrench. It broke loose right away after that.

On to the bearing removal!!! biggrin.gif

Posted by: mikez Mar 10 2007, 09:36 PM

I just had the worst ever nut on the 58....I broke a 1/2 breaker bar when using my 3 foot cheater bar. I used heat (MAPP AND Propane) and PB Blaster.

I ended up buying a 3/4 breaker bar with the afore mentioned cheater and a 1 7/16 six point socket.....when it let go it sounded like a .357 going off....

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