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Old 01-22-2009, 03:34 PM   #1
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Wheel cylinder

I tried to goto work the other day and found out I had no brakes. I pulled the back wheel off and saw it was covered in fluid, so I took it to the garage. They replaced the back brakes and said my wheel cylinder was bad. I'm just curious, how hard of a fix is it to replace a wheel cylinder?

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Old 01-22-2009, 04:34 PM   #2
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If you can take the rear breaks apart you can change a wheel cylinder. Really isn't a whole lot to it. If you have one of the Haynes type repair manuals, they show you the basics of it. Not overly complicated at all.

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Old 01-22-2009, 06:13 PM   #3
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i just did it a week ago. really really easy.

hint of advice...

on mine. the actual mounting bolt for the wheel cylinder was rusted up bad. so instead of taking the old one off and risking breaking or stripping the bolt, i used the inside guts, and the outer rubber seals from the new one.... basically i rebuilt it while it was still mounted to the wheel.

very very easy.

i think the cylinder itself was 10 bucks.

just make sure you bleed the brakes on that side after your done.

just connect a tube to the bleeder on that brake, dip it down into a cup or jar or bottle of brake fluid. slowly pump the brakes. all the way down, all the way up.

this will push out any air, and pull back in fluid.

keep doing it until theres only fluid coming out with no little air bubbles.

good luck
97 TJ, 4cyl, auto, bone stock, 86k miles.
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Old 01-22-2009, 06:17 PM   #4
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did they do the wheel cylinder? there's no reason not to when the rear brakes are off. should've been less than $100 to do both cylinders during the rear brake job.
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Old 01-22-2009, 06:25 PM   #5
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yeah and i was just thinking that would be muffed up if the didnt because you might have to replace the back shoes again if its dripping oil all over them for an extended period of time.

if they didnt do it, get it fixed soon, or do it yourself. you can save the shoes by just cleaning them with brake cleaner. mine had been leaking for 2 days and the shoes cleaned right up.

but yeah the shop should do it for you free since they put new brakes on a wheel thats leaking brake fluid right onto the shoes. thats messed up if they did that
97 TJ, 4cyl, auto, bone stock, 86k miles.
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Old 01-22-2009, 06:29 PM   #6
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97 TJ, 4cyl, auto, bone stock, 86k miles.
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Old 01-22-2009, 06:36 PM   #7
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They are simple to change.They are held in by two bolts and of course you have the line hooked to it.BTW it makes it easier to break the line loss before removing the two bolts.And another note in case your bolts are rusted, before I would trust the worn shell or the inner sleeve of the old cylinder from not leaking I would break the two bolts off and get new ones so the complete wheel cylinder can be installed.Most shops will have 2 bolts to fit the new wheel cylinder or a trip to the local hardware store will work also.

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