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bunky
Samba Member
Joined: September 11, 2005
Posts: 10
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 Posted: Sat Dec 23, 2017 5:57 pm Post subject: Wheels locked up |
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| All four wheels of the thing are pretty much locked up. Brake pedal is down all the way. Can't release the brake pedal. I'm thinking the master cylinder .what do you guys think?? |
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DerrickfromNC1
Samba Member
Joined: October 24, 2008
Posts: 1300
Location: North Carolina
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| Posted: Sat Dec 23, 2017 6:12 pm Post subject: Re: Wheels locked up |
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| Try opening a bleeder valve and seeing if the system is under pressure! If so then you have a MC problem. |
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bunky
Samba Member
Joined: September 11, 2005
Posts: 10
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| Posted: Sat Dec 23, 2017 6:33 pm Post subject: Re: Wheels locked up |
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| Yeah, I'll open a bleeder in the morning and see what happens. Thanks |
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DerrickfromNC1
Samba Member
Joined: October 24, 2008
Posts: 1300
Location: North Carolina
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| Posted: Sat Dec 23, 2017 7:31 pm Post subject: Re: Wheels locked up |
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| bunky wrote: |
| Yeah, I'll open a bleeder in the morning and see what happens. Thanks |
Had you been driving this Thing regularly or has it been sitting for years? You said “all four wheels are pretty much locked up”. Have you verified this? |
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bunky
Samba Member
Joined: September 11, 2005
Posts: 10
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| Posted: Sat Dec 23, 2017 8:03 pm Post subject: Re: Wheels locked up |
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| Drive it all the time. Just locked up today. All four. Hope it’s the MC easy fix |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50332
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| Posted: Sun Dec 24, 2017 9:16 am Post subject: Re: Wheels locked up |
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| I wouldn't recommend doing any driving until you figure out what is wrong. Opening a bleeder isn't going to fix a thing, maybe give you some diagnostic clues and temporarily relieve a symptom. |
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germanbilly
Samba Member
Joined: October 18, 2013
Posts: 378
Location: Victorville
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| Posted: Sun Dec 24, 2017 10:55 am Post subject: Re: Wheels locked up |
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Check behind the brake pedal and see if the push rod to the master cylinder has came off and is holding pressure to the master cylinder. For all 4 wheels to be locked it can only be the master cylinder.
GB |
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74 Thing
Samba Member
Joined: September 02, 2004
Posts: 7389
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| Posted: Sun Dec 24, 2017 11:14 am Post subject: Re: Wheels locked up |
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| Yeah, I have had the two rear lock up many times due to rain water or washing the wheels and then letting it sit over night and the shoes would rust to the drum, but never the fronts. Got to me master or push-rod related-something is allowing pressure to all 4 or is not allowing pressure to flow back. |
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doublecanister
Samba Member
Joined: September 23, 2008
Posts: 1184
Location: Richmond, Va
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| Posted: Mon Dec 25, 2017 12:22 pm Post subject: Re: Wheels locked up |
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After you fix this issue, may be a good idea to do a brake fluid flush.
From what i've experenced with my many vechicles, doing a brake system fluid flush every few years isnt a bad idea, especially if the car sits any.
Well, I hope it's a simple fix on yours, it does sound like the MC could be the culprit.
T
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2020 - Mustang Eco Boost [High Performance]
1973 - Thing
1966 - Mustang GT- Fastback
1951 - Ford F1 pickup Flathead V8 |
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andk5591
Samba Member
Joined: August 29, 2005
Posts: 16757
Location: State College, PA
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| Posted: Mon Dec 25, 2017 1:02 pm Post subject: Re: Wheels locked up |
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This is interesting though....I assume a Thing is dual circuit...Not sure how the master would lock up all 4, but never ran into it before except on a single circuit car....
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D-Dubya Manx clone - 63 Short pan,1914.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
"John's car" 64 VW woodie - The first ever
Maxine 61 Cal-look bug - Cindy's daily driver.
Max - 73 standard Beetle hearse project - For sale
66 bug project - Real patina & Suby conversion
There's more, but not keeping them... |
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