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Old 03-24-2012, 08:30 PM   #1
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bleed brakes after caliper replacement?

I was told that you don't have to bleed the breaks after you replace the caliper. Any truth in this?

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Old 03-24-2012, 08:31 PM   #2
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Yes it must be bleed. Very important to bleed the new caliper even best to bleed all.

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Old 03-24-2012, 08:35 PM   #3
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You have been lied to.
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Old 03-24-2012, 08:42 PM   #4
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I was told that you don't have to bleed the breaks after you replace the caliper. Any truth in this?
I was told that people who don't know how to work on brakes shouldn't.
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Old 03-24-2012, 08:58 PM   #5
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That is the most unsafe advice I've heard in a while.
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Old 03-24-2012, 11:26 PM   #6
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Thanks guys! I have changed brakes hundreds of times but have NEVER been successful at bleeding them. Now, if it isn't a simple pad changing, I wont do it.
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Old 03-25-2012, 12:01 AM   #7
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ANY time you enter brake hydraulic system is the perfect time to completely bleed whole system and flush out old fluid with new.

And no, I ain't sayin you gotta do it this week, then again next week, but usually, by the time a hydraulic component fails, your fluid needs changed, so just do it.
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Old 03-25-2012, 06:29 AM   #8
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if you dont bleed them ,, let the guy that gave you that information test drive it 1st !! Then ask him again
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Old 03-25-2012, 06:46 AM   #9
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Smitty, it ain't magic and if you can change pads, then you can bleed brakes just like or better than the high school drop out with his greasy ass crack showing that you pay to bleed them for you.

If you ain't got a helper, then you'll have to invest a few bucks in a hand pump and get creative, but trust me, it's do-able.

If you got one of the few TJ's out there with ABS then I'll cut you some slack, but otherwise there ain't no excuse a red blooded American boy can't get er done if he applies himself.
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Old 03-25-2012, 07:02 AM   #10
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Smitty, it ain't magic and if you can change pads, then you can bleed brakes just like or better than the high school drop out with his greasy ass crack showing that you pay to bleed them for you.

If you ain't got a helper, then you'll have to invest a few bucks in a hand pump and get creative, but trust me, it's do-able.

If you got one of the few TJ's out there with ABS then I'll cut you some slack, but otherwise there ain't no excuse a red blooded American boy can't get er done if he applies himself.

Do you have to bleed them differently with ABS?
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Old 03-25-2012, 07:30 AM   #11
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Do you have to bleed them differently with ABS?
Hell, I guess you do cause that's the only time I ever gave up and paid the guy with the greasy ass crack cause he had dealer rig....not sayin all ABS is that way, but it whupped my butt....looked like someone took a mile of brake lines and wadded them up and then connected them to a bunch of blocks and fittings and sensors and stuff...maybe new ABS is mobetter and easier.
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Old 03-25-2012, 10:56 AM   #12
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Do you have to bleed them differently with ABS?
Not unless you run the master dry. I'm not sure on the jeep master cylinder, but my mustang has a bleed port up there. It has antilock and I've never done anything special. I usually slam on the brakes and trigger the antilock just to make sure nothing funny happens.
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Old 03-25-2012, 01:55 PM   #13
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You can greatly reduce bleed time/effort if you first 'bench bleed' new system components. I use a small syringe to fill new calipers while tapping them with a wrench to force air bubbles up to open hose connection...plus, when possible don't disconnect old caliper until ready to replace it, then quickly remove hose and install on new caliper to reduce fluid loss and air entrance up hose.

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