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Old 04-27-2012, 09:45 PM   #1
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brakes locking

97 tj with a v8 4.8

The right front caliper was locking up yesterday. I stopped and let it cool and made it home. I plan on taking it apart to check it out. I had bleed the brakes a few weeks ago and they worked fine just felt a little spongey, I figured I didnt get all the air out. The front calipers are fairly new about 3000 miles new pads .

Could the air cause the locking caliper?

Thanks
Lowell

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Old 04-28-2012, 12:59 PM   #2
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Air will not cause them to lock. Probably a stuck caliper. For $20 at Advance Auto you can own a new one....I replaced the right caliper on my Dads 06' two weeks ago. They will need a core deposit. DONT over tighten the bolts that hold the caliper on. I've read of the threaded portion in the knuckle stripping out. Its a very small about of ft lbs....like 15-17# ??? on the 5/16" bolts.

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Old 04-28-2012, 01:05 PM   #3
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^x2 you can easily overtorque the bolts and rip up the threads.

how bad are the divots in the sliders of the knuckles?
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Old 04-28-2012, 02:13 PM   #4
Knows a couple things...

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Quote:
Originally Posted by timberland View Post
Air will not cause them to lock. Probably a stuck caliper. For $20 at Advance Auto you can own a new one....I replaced the right caliper on my Dads 06' two weeks ago. They will need a core deposit. DONT over tighten the bolts that hold the caliper on. I've read of the threaded portion in the knuckle stripping out. Its a very small about of ft lbs....like 15-17# ??? on the 5/16" bolts.
11 ft-lbs.
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Old 04-28-2012, 07:38 PM   #5
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Had the same problem on my '97 TJ. Replaced both calipers, and now she brakes like a champ. It's a very inexpensive fix. Like Timberland said, $20 at Advance Auto with core deposit. Takes just a few minutes.
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Old 04-29-2012, 01:07 PM   #6
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Thanks I bleed them again today and did a test drive. So far no lock but they do pull left at first then straight. It also acts like it no going to stop!
I will take apart when home

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