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drivers side wheel lock up
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Topic: drivers side wheel lock up (Read 5145 times)
DAVID CHAMBERS
Member
Posts: 39
drivers side wheel lock up
«
on:
March 17, 2021, 12:02:44 AM »
I have a drivers side wheel that locks up when it get's hot. I can pull out of the garage fine and goes for 2-3 miles and locks. I can even just pull out of the garage fine and let it idle for 10 mins. and it locks up trying to pull back in. 1969 SS 350 newly restored. Can you help?
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bertfam
Hero Member
Posts: 4492
Re: drivers side wheel lock up
«
Reply #1 on:
March 17, 2021, 12:34:22 AM »
You have a bad flexable brake line. When they get old, they swell inside and keep the fluid from returning to the master cylinder.
If you haven't replaced your rubber brake lines in more than 5 years, do it.
Ed
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DAVID CHAMBERS
Member
Posts: 39
Re: drivers side wheel lock up
«
Reply #2 on:
March 17, 2021, 11:12:40 AM »
Thanks but all the brake system is brand new. Just got it back from the shop that replaced all the brake and exhaust systems and new paint. I double checked the flex line and it is new.
Could it be clogged?
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usa1ti
Member
Posts: 94
Re: drivers side wheel lock up
«
Reply #3 on:
March 17, 2021, 11:50:48 AM »
Front or Back? Disc or Drum?
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Todd, East TN
jvb6648
Member
Posts: 156
716-796-5263
Re: drivers side wheel lock up
«
Reply #4 on:
March 17, 2021, 12:26:58 PM »
Does it lock up by itself or when you apply the brake? What do you do to release it or will it eventually release on its own? Could be either mechanical or hydraulic issue. Broken spring or pad retainer.
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Jim
68 Z/28
DAVID CHAMBERS
Member
Posts: 39
Re: drivers side wheel lock up
«
Reply #5 on:
March 17, 2021, 03:36:20 PM »
Back drum and it does release itself when it cools. I can't get the drum off to check inside. Tried to turn the star adjuster but no luck. I was told if the brakes sat a while before paint was done maybe the pads absorbed moisture and swelled.
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usa1ti
Member
Posts: 94
Re: drivers side wheel lock up
«
Reply #6 on:
March 17, 2021, 03:45:54 PM »
No its most likely the wheel cylinder not releasing and the piston inside locking in place. It either needs rebuilt, was rebuilt incorrectly or the piston is damaged. just change it out.
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Todd, East TN
bobs69z
Member
Posts: 46
Re: drivers side wheel lock up
«
Reply #7 on:
March 17, 2021, 09:39:27 PM »
Did they replace rear brakes during rebuild? The drums should come off. Might need a bigger hammer....I agree with USA1, wheel cylinder is sticking. Id replace both sides. Good luck.
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69 Z28 Hugger Orange, White Vinyl Top
DAVID CHAMBERS
Member
Posts: 39
Re: drivers side wheel lock up
«
Reply #8 on:
March 18, 2021, 10:59:57 AM »
Thanks for your help. Now I know where to focus.
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jvb6648
Member
Posts: 156
716-796-5263
Re: drivers side wheel lock up
«
Reply #9 on:
March 18, 2021, 04:15:02 PM »
Drum may not come off because it's over adjusted. You'll need to go into the slot in the backing plate and push the self adjuster off the star wheel to back off the brake.
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Jim
68 Z/28
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drivers side wheel lock up