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Post Info TOPIC: Finally Found my Brake Pull


Poncho Master!

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Finally Found my Brake Pull


My 68 2+2 has always had a slight brake pull to the right. Not huge but still there. I fought with it years ago and finally just loosened the brake setting on that side to smoothen it out to a point of being hardly noticeable. Well this past weekend I converted the front over to 70 single piston disc brakes. And taking it apart I did notice the right shoes heat cracked. Anyway when I went to hook up the lines from the master cylinder to the distribution block, I found the front and rear lines opposite. At first I thought ok the blocks are different and I need to use the 70 block. Once I removed it and had it on the bench I could see it was installed backwards.  Its designed to be one inlet and two outlets for the front and one inlet and one outlet for the rear. In backwards, the front inlet supplied the rears and left front. And the rear inlet supplied the right front. Looking closer at the original lines one could see someone bent them to make them fit the backwards block. This block was actually bolted on its bracket backwards so had to have been replaced at one time. Firstly why would you ever have to change one and secondly why would you bend the lines to make them fit? If the lines dont line up maybe there is a problem. I hope it wasnt done at a repair shop. Anyway my pull is gone and most likely would have been gone with the drum system as well. Ill post some pictures later. My phone is going dead. 



-- Edited by JC2+2 on Wednesday 29th of May 2019 12:41:20 AM

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'68 Parisienne 2+2 Convertible Matador Red (Resale Red but not for sale).



Canadian Poncho Superstar!

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Interesting. Who would have thought.

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Jerel


Canadian Poncho Superstar!

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Very weird. How, who and why?



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


Canadian Poncho Superstar!

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Just a heads up, 69 & 70 full size Chevrolet use different junction blocks. The threads for the line to the rear brakes are different between 69 & 70 and the blocks look physically different too. I wonder if your 68 junction block looks like the 69, but it doesn't sound like it.



-- Edited by seventy2plus2 on Wednesday 29th of May 2019 11:52:44 AM

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



Poncho Master!

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Yes Clint they are different. The fitting for the rear outlet line is larger. Thats why I couldnt use it and figured out what was the issue with my original. I did some research and the same block is used drum or disc so reused my original (installed properly this time).

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'68 Parisienne 2+2 Convertible Matador Red (Resale Red but not for sale).



A Poncho Legend!

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Talk about great detective work John, and thanks for maybe sparing someone else the grief of dealing with it!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars

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