Re: Hard Brake Pedal
[Re: JT01]
#1441491
05/24/13 10:16 PM
05/24/13 10:16 PM
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Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
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Posts: 36,041
Lincoln Nebraska
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I'd check how much clearance you have between the rounded nub on the end of the pushrod coming out of the booster & the bottom of the M/C rear piston (thimble). Want ~.060" or a bit less. Might crack a corner bleeder (either side) on the front then on the rear (seperately) & see if you get a full stroke. Might work the pedal & have a helper see how the front calipers are acting & might take off the rear drums & same deal but just a moderate amt of pedal travel when the rear drums are off so he dont pop the rear wheel cyl pistons out
live every 24 hour block of time like it's your last day on earth
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Re: Hard Brake Pedal
[Re: a493demon]
#1441494
05/25/13 10:07 AM
05/25/13 10:07 AM
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Posts: 29 Ohio
JT01
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Quote:
if you take off the master cyl. from the booster the rod should be adjustable , the rod might be adj. out too far try turning it in and see if that helps.
Allready did that never changed anything
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Re: Hard Brake Pedal
[Re: DoctorDiff]
#1441498
05/25/13 08:02 PM
05/25/13 08:02 PM
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JT01
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Quote:
I don't think SSBC provides the correct master cylinder with their brake kits. Measure the bore size to confirm.
You need a 15/16" master for a '73-'75 A-body power disc brake application. [/quote. Where can I get one of these master cylinders and is it a 2 bolt application
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Re: Hard Brake Pedal
[Re: JT01]
#1441499
05/25/13 08:21 PM
05/25/13 08:21 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
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An 89 Dakota 15/16" M/C would be a 2 bolt app. The 73-75 A body 15/16" app would not
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Re: Hard Brake Pedal
[Re: JT01]
#1441500
05/25/13 08:30 PM
05/25/13 08:30 PM
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Posts: 25,871 Rio Linda, CA
John_Kunkel
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Be sure the booster pushrod isn't preventing the rear piston in the MC from fully returning. If the pushrod is adjusted out too far the rear piston won't allow the fluid to return to the reservoir and you'll get a hard pedal.
The INTERNET, the MISinformation superhighway
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Re: Hard Brake Pedal
[Re: John_Kunkel]
#1441501
05/25/13 08:58 PM
05/25/13 08:58 PM
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JT01
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Quote:
Be sure the booster pushrod isn't preventing the rear piston in the MC from fully returning. If the pushrod is adjusted out too far the rear piston won't allow the fluid to return to the reservoir and you'll get a hard pedal.
We adjusted the pushrod all the way in and it still has a hard pedal
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Re: Hard Brake Pedal
[Re: RapidRobert]
#1441502
05/25/13 09:06 PM
05/25/13 09:06 PM
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JT01
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Quote:
An 89 Dakota 15/16" M/C would be a 2 bolt app. The 73-75 A body 15/16" app would not
Would this M/C have the lines going in on the drivers side
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Re: Hard Brake Pedal
[Re: JT01]
#1441503
05/25/13 09:08 PM
05/25/13 09:08 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
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I would think so but I'm not sure. I'd have your parts house pull it off the shelf & let you know
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