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Adjusting Brakes
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Richbo
Posted 2019-01-12 11:18 AM (#576646)
Subject: Adjusting Brakes


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Hi all.
I found that a 11mm 6point socket fits very snug on those rusty brake adjusters, better than the 7/16 normally used.
Just don't tell anyone you used a metric tool on a classic Mopar !!! ;-)
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56D500boy
Posted 2019-01-12 12:01 PM (#576651 - in reply to #576646)
Subject: RE: Adjusting Brakes



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Richbo - 2019-01-12 11:18 AM

Hi all.
I found that a 11mm 6point socket fits very snug on those rusty brake adjusters, better than the 7/16 normally used.


Good to know.

Just to check the math 7/16 inches x 25.4 mm/inch = 11.11 mm So 11 mm = snug. Your 7/16" adjustment cam head must be a bit worn.

What I want/need for adjusting the center plane brakes is something like this offset box head wrench:



I think the original shop tool for adjusting was something like this:



Based on this:



REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=68135&...


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finsruskw
Posted 2019-01-12 2:03 PM (#576663 - in reply to #576646)
Subject: Re: Adjusting Brakes


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Use a 6 point socket for good results
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wizard
Posted 2019-01-12 2:48 PM (#576667 - in reply to #576646)
Subject: Re: Adjusting Brakes



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I have the adjuster tool in the picture - 6-point.

The 12-point ones gives too much freeplay.

Adjust according to the instructions, apply the brakes several times and recheck. On cars with PB - start the engine and apply the brakes a couple of times and recheck.
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56D500boy
Posted 2019-05-04 3:40 PM (#581767 - in reply to #576667)
Subject: Re: Adjusting Brakes



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Couldn't find a proper center-plane brake adjuster or even a 3/8" breaker bar last week so I was used a 1/4" ratchet with a 7/16" deep socket. Worked but painful when you have to change the direction of the ratchet. Yesterday I finally found a 3/8" breaker bar and bought it and a deep 6-point 7/16" socket. This will be my new brake adjusting tool.

I am going to review this video (I get lost where I am at on the adjusting cam sometimes):

https://www.youtube.com/watch?v=gkaINRQ4uOA&feature=youtu.be





(BrakeAdjustingTool7_16DeepSocketAnd3_8thsBreakerBar.jpg)



Attachments
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Attachments BrakeAdjustingTool7_16DeepSocketAnd3_8thsBreakerBar.jpg (77KB - 421 downloads)
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rebel
Posted 2019-05-05 6:36 PM (#581830 - in reply to #581767)
Subject: Re: Adjusting Brakes


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The very best that I've found is the Snap-On B1460B brake bleeder wrench.
It has the perfect offset so you aren't hitting the backing plate.
Plus you have the desired 6 point. You might not need the other end, which is 3/8, but you will have it if you do!

Edited by rebel 2019-05-05 6:38 PM




(Brake Adjusting and Bleeder Wrench 001.JPG)



(Brake Adjusting and Bleeder Wrench 002.JPG)



(Brake Adjusting and Bleeder Wrench 003.JPG)



Attachments
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Attachments Brake Adjusting and Bleeder Wrench 001.JPG (93KB - 418 downloads)
Attachments Brake Adjusting and Bleeder Wrench 002.JPG (79KB - 423 downloads)
Attachments Brake Adjusting and Bleeder Wrench 003.JPG (79KB - 419 downloads)
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56D500boy
Posted 2019-05-06 9:42 PM (#581884 - in reply to #581767)
Subject: Re: Adjusting Brakes



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56D500boy - 2019-05-04 12:40 PM

I am going to review this video (I get lost where I am at on the adjusting cam sometimes):



Re-watched the video and learned/remembered that to "lock" the brake shoe, turn in the direction of the forward wheel direction, i.e. up on the rear adjuster(s) and down on the front adjuster(s). Lock the brake shoe to the drum and then back off until you hear very little (or no) drag. Bingo.

Worked a treat with my "new" direct drive brake adjuster breaker bar and 7/16" deep socket.

Too quote Bob Seger, the brakes are now "Way up, firm and high".



Edited by 56D500boy 2019-05-06 10:15 PM
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56D500boy
Posted 2021-01-25 11:34 AM (#608163 - in reply to #581830)
Subject: Re: Adjusting Brakes



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rebel - 2019-05-05 3:36 PM
The very best that I've found is the Snap-On B1460B brake bleeder wrench.
It has the perfect offset so you aren't hitting the backing plate.
Plus you have the desired 6 point.


That would be good. I've been using my solution (7/16" deep socket on a non-ratcheting 3/8" drive breaker bar) and it works fine.

But recently, while cruising 56 Chrysler stuff on eBay, I found and have just purchased the tool shown in the Master Tech videos, The MAC S-84:





Edited by 56D500boy 2021-01-25 4:04 PM




(MAC_S84_7SixteenthsBrakeTool_1.jpg)



(MAC_S84_7SixteenthsBrakeTool_2.jpg)



(MAC_S84_7SixteenthsBrakeTool_3.jpg)



(MAC_S84_7SixteenthsBrakeTool_4.jpg)



(MAC_S84_7SixteenthsBrakeTool_5.jpg)



Attachments
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Attachments MAC_S84_7SixteenthsBrakeTool_1.jpg (18KB - 282 downloads)
Attachments MAC_S84_7SixteenthsBrakeTool_2.jpg (15KB - 279 downloads)
Attachments MAC_S84_7SixteenthsBrakeTool_3.jpg (17KB - 280 downloads)
Attachments MAC_S84_7SixteenthsBrakeTool_4.jpg (15KB - 273 downloads)
Attachments MAC_S84_7SixteenthsBrakeTool_5.jpg (20KB - 285 downloads)
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jboymechanic
Posted 2021-01-25 4:02 PM (#608175 - in reply to #581884)
Subject: Re: Adjusting Brakes



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56D500boy - 2019-05-06 8:42 PM

56D500boy - 2019-05-04 12:40 PM

I am going to review this video (I get lost where I am at on the adjusting cam sometimes):



Re-watched the video and learned/remembered that to "lock" the brake shoe, turn in the direction of the forward wheel direction, i.e. up on the rear adjuster(s) and down on the front adjuster(s). Lock the brake shoe to the drum and then back off until you hear very little (or no) drag. Bingo.

Worked a treat with my "new" direct drive brake adjuster breaker bar and 7/16" deep socket.

Too quote Bob Seger, the brakes are now "Way up, firm and high".

:)


Are you working on your car, or your "Night Moves"? Got a kick out of that reference, my all time favorite song.

Edited by jboymechanic 2021-01-25 4:03 PM
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56D500boy
Posted 2021-01-25 4:26 PM (#608176 - in reply to #608175)
Subject: Re: Adjusting Brakes



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jboymechanic - 2021-01-25 1:02 PM
56D500boy - 2019-05-06 8:42 PM
To quote Bob Seger, the brakes are now "Way up, firm and high".

Are you working on your car, or your "Night Moves"? Got a kick out of that reference, my all time favorite song.


LOL. Took almost a year for somebody to notice that reference.

I like that mental image "way up, firm and high". Kind of "perky"

Now back to working on my car (with Rock 101 blaring out of the garage stereo - Night Moves comes on probably once a day).

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56D500boy
Posted 2021-02-09 11:20 PM (#608694 - in reply to #608163)
Subject: Re: Adjusting Brakes



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56D500boy - 2021-01-25 8:34 AM
But recently, while cruising 56 Chrysler stuff on eBay, I found and have just purchased the tool shown in the Master Tech videos, The MAC S-84:


The MAC S-84 finally showed up yesterday (too late to try out). So I tried it today on the left front wheel. Works great. It would work better with smaller tires than the 235/75/15 that I am running.
I had to pull the end of the wrench away from the tire sidewall to get it too work better.

Two photos from today (NOTE: The rub mark on the side wall is not from the MAC tool, it is from the side wall contacting the tie-rod end during some cornering situations (I don't feel or hear it).
When I go to 215/75/15 tires that will probably not be an issue):





Edited by 56D500boy 2021-02-09 11:25 PM




(UsingTheMACS84On56ChryslerCenterPlaneBrakes_RearShoe.jpg)



(UsingTheMACS84On56ChryslerCenterPlaneBrakes_FrontShoe.jpg)



Attachments
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Attachments UsingTheMACS84On56ChryslerCenterPlaneBrakes_RearShoe.jpg (156KB - 268 downloads)
Attachments UsingTheMACS84On56ChryslerCenterPlaneBrakes_FrontShoe.jpg (152KB - 279 downloads)
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Richbo
Posted 2021-05-15 1:24 AM (#611993 - in reply to #576646)
Subject: Re: Adjusting Brakes


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Lots of discussions here -- leaves me just one question --- have you all tried it ??
Have you tried an 11mm 6pt socket ???
If yes -- you're welcome. If not -- why not ???
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56D500boy
Posted 2021-05-15 9:14 AM (#612000 - in reply to #611993)
Subject: Re: Adjusting Brakes



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Richbo - 2021-05-14 10:24 PM
Lots of discussions here -- leaves me just one question --- have you all tried it ??
Have you tried an 11mm 6pt socket ???
If yes -- you're welcome. If not -- why not ???


The nominal size of the adjustment screw is 7/16". With 25.4 mm in an inch, 7/16" = 11.1125 mm. So if the 7/16" hex head on the adjustment screw is a bit worn, an 11 mm hex socket could (should?) work.

I think that the key point, if you are using a 7/16" or 11 mm hex socket (preferably a deep socket), is that you attach it to a small breaker bar, not a ratchet, so you can easily "to and fro" the adjustment without having to switch the ratchet direction.



Edited by 56D500boy 2021-05-15 9:16 AM
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b5rt
Posted 2021-05-15 9:19 AM (#612001 - in reply to #611993)
Subject: Re: Adjusting Brakes



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Richbo - 2021-05-15 12:24 AM

Lots of discussions here -- leaves me just one question --- have you all tried it ??
Have you tried an 11mm 6pt socket ???
If yes -- you're welcome. If not -- why not ???


I just adjusted mine last week with a 6 point, 7/16'' deep well socket... works perfect! Why use anything else? Perhaps if I don't have a 6 point, 7/16 deep well socket then I might try an 11mm in a pinch. But I have 2.
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56D500boy
Posted 2023-10-27 2:21 PM (#632495 - in reply to #608176)
Subject: Re: Adjusting Brakes



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.
Turns out that there is a second version of the MAC S-84 7/16" hex brake adjusting tool.





(MACS_84_SecondVersion_2.jpg)



(MACS_84_SecondVersion_3.jpg)



(MACS_84_SecondVersion_4.jpg)



Attachments
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Attachments MACS_84_SecondVersion_2.jpg (139KB - 44 downloads)
Attachments MACS_84_SecondVersion_3.jpg (128KB - 45 downloads)
Attachments MACS_84_SecondVersion_4.jpg (147KB - 37 downloads)
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