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 Post subject: Front drum brake help
PostPosted: Fri Mar 16, 2018 3:13 pm 
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lives at LUVTruck.com

Joined: Wed Nov 24, 2004 9:37 pm
Posts: 295
Location: Apex, NC
So, I am trying desperately to get my 74 LUV, all stock, back on the road. Rock Auto had everything I needed for the hydraulic part of the brake system, and it was reasonably priced as well. I'm having a really hard time getting any sort of pedal out of it now, it had a decent pedal before I did anything to it, and if I block the front brake lines with line clamps, I have a rock solid pedal. I've tried several different ways of bleeding the front, and adjusted the front shoes several times. Is there some sort of secret to getting them right that I haven't done yet? Rarely do I say this, but I am at a complete loss on this one. Any input would be greatly appreciated.


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PostPosted: Fri Mar 16, 2018 5:41 pm 
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Joined: Wed Sep 06, 2017 6:40 pm
Posts: 137
Location: Bellingham, WA
Edit, just saw the title and realized you were operating drums, not disk. My comment doesn't apply.


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PostPosted: Fri Mar 16, 2018 8:53 pm 
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Joined: Tue Oct 07, 2008 8:07 pm
Posts: 880
Location: N W Arkansas
There is a rod between the brake booster & master on disc setups that must be adjusted to an exact length in order for the master piston to travel the correct distance with each stroke of the pedal, I assume the type same adjustment is found on drum applications . A FSM will have the dimension, it will be similar to the attached pictures. I fabricated a test gauge/tool from aluminum flat stock, but a credit card would also work.


Attachments:
LUV booster adjust.jpg
LUV booster adjust.jpg [ 274.08 KiB | Viewed 525 times ]
Trooper brake booster rod adjust 001.jpg
Trooper brake booster rod adjust 001.jpg [ 290.08 KiB | Viewed 525 times ]

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'78 Chevy LUV,1.9,4sp,headers,31's,SAS Dana 30,Dana 20,SOA rear w/Aussie Locker, rough body, bought new 12/4/78.
'87 Trooper,2.3,5sp,headers,31's,ball joint flip & spacer,Aussie Locker rear,Superwinch hubs,brush guard w/5.5K winch,more to come.
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PostPosted: Sat Mar 17, 2018 8:28 pm 
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lives at LUVTruck.com

Joined: Wed Nov 24, 2004 9:37 pm
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Location: Apex, NC
I'll give that a shot. Thanks!


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PostPosted: Sun Mar 18, 2018 1:06 pm 
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Joined: Sun Jun 06, 2004 11:48 pm
Posts: 6192
Location: Whittier, (So). Cal.
Did you r&r the wheel cylinders? Make sure the bleeder is at the top. If they can be (I'm not for sure) but if they can be installed wrong, with the bleeder at the bottom, it would create the problem you're having.

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PostPosted: Tue Mar 20, 2018 9:05 pm 
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lives at LUVTruck.com

Joined: Wed Nov 24, 2004 9:37 pm
Posts: 295
Location: Apex, NC
That's a great point, rondog! I need to check that.


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