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willysmjeeps.com :: View topic - WANTED: M38A1 PARKING BRAKE ASSEMBLY
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WANTED: M38A1 PARKING BRAKE ASSEMBLY

 
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dpcd67
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Joined: Nov 25, 2016
Posts: 187
Location: Iowa

PostPosted: Tue Nov 09, 2021 5:55 pm    Post subject: WANTED: M38A1 PARKING BRAKE ASSEMBLY Reply with quote

I find myself in possession of an M38A1 from which the previous owner thoughtfully removed all traces of a parking brake, from lever to drum and everything originally thereto attached. He, or She, did leave the holes in the floor.
So, I am looking for someone with an M38A1 who is parting it out, and can get me the parking brake assembly. I have seen some of the vendors sell new parts, but when you add it up, it becomes, a lot of $.
Thanks, PM me.
_________________
M38 23100 June 51
M38 34523 Sep 51
M606/CJ3B 1964 Kaiser 57348 118458
M37B1 1963
Willys MB 1944
Ford GPW 1942
Dodge WC63 1943
Dodge Power Wagon WM300 1967
Plymouth Barracuda, 1973, 340 4 barrel
All ground up restored by me.
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RICKG
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Joined: Aug 31, 2010
Posts: 1739
Location: SO IDAHO

PostPosted: Thu Nov 11, 2021 6:16 pm    Post subject: Reply with quote

Not mine. There's a fellow over on the cj2a page offering this.
https://www.thecj2apage.com/forums/cj5-parking-brake-assembly_topic50254.html
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a
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dpcd67
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Joined: Nov 25, 2016
Posts: 187
Location: Iowa

PostPosted: Fri Nov 12, 2021 9:52 am    Post subject: Reply with quote

Thanks for the tip; but access is denied, and the M38A1 parking brake is unique to it, having both an internal and external shoe, levered against the drum from both sides.
He is selling a CJ5 brake setup which uses the common internal shoe type of system. The M38A1 design is actually the best type.
_________________
M38 23100 June 51
M38 34523 Sep 51
M606/CJ3B 1964 Kaiser 57348 118458
M37B1 1963
Willys MB 1944
Ford GPW 1942
Dodge WC63 1943
Dodge Power Wagon WM300 1967
Plymouth Barracuda, 1973, 340 4 barrel
All ground up restored by me.
Lots of others.
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RICKG
Member


Joined: Aug 31, 2010
Posts: 1739
Location: SO IDAHO

PostPosted: Fri Nov 12, 2021 10:25 am    Post subject: Reply with quote

Sorry about that! not being A1 familiar I just assumed and you know what happens. Embarassed
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a
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wesk
Site Administrator
Site Administrator


Joined: Apr 04, 2005
Posts: 16218
Location: Wisconsin

PostPosted: Fri Nov 12, 2021 10:45 am    Post subject: Reply with quote

The M38A1 emergency brake system was innovative yes. The best of any brake system NO! It was prone to rattle since it's parts were prone to wear and shoes & hinged linkages being exposed to the elements fell victim to many issues.



The buildup of rust on the external face of the drum always accelerated wear on the outer shoe.


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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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dpcd67
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Joined: Nov 25, 2016
Posts: 187
Location: Iowa

PostPosted: Fri Nov 12, 2021 12:51 pm    Post subject: Reply with quote

Yes they do tend to get loose and rattle, but still seem to be the most effective jeep brake if you want a truly solid "emergency" brake: a term I cringe when I hear it applied to most jeep parking/hand brakes. If you are really in an emergency, best to jump out. Not nearly as good as the Dodge brakes of the period that had a 5 to 1 mechanical advantage. You can fairly easily stop an M37 or WC with them.
The inner and outer shoes are forced into the drum by some relatively good mechanical advantage. But to my knowledge, this system was not used on any other vehicle. They were used for the life of the M38A1 though.
Anyway, the previous owner of this jeep completely removed the whole thing.
I guess he liked a "clean" look.
_________________
M38 23100 June 51
M38 34523 Sep 51
M606/CJ3B 1964 Kaiser 57348 118458
M37B1 1963
Willys MB 1944
Ford GPW 1942
Dodge WC63 1943
Dodge Power Wagon WM300 1967
Plymouth Barracuda, 1973, 340 4 barrel
All ground up restored by me.
Lots of others.
Back to top
View user's profile Send private message
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