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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Chassis Tech Forum -> 67 Parisienne pulls left hard! Then works smoothly?!?!
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SGS Welding


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67 Parisienne pulls left hard! Then works smoothly?!?!
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Could this be a faulty master cylinder? I installed new flex hoses and wheel cylinders on both front brakes today Also installed new tires Also installed new moog strut rod bushings Both brakes were bled properly Alignment was just completed Car has never drove or stopped so nice! Then all of a sudden next stop pulls left with a vengeance !! Stomp the pedal out of frustration Then perfect brakes again!! Both front brakes are adjusted properly I am chasing this problem and still not winning Btw rears work perfect all the time Thanks Greg

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SGS Welding


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Just to add even more clarification The shoes are not new but are in almost new condition And have never been leaked on Drums same story they are not new but in like new condition complete with silver caliper paint

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timbuk


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sounds like sticky wheel cyl

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SGS Welding


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Kinda thought when I put the brand new one on yesterday And now the car still behaves the exact same???? I've been studying wondering about a residual valve??? I will admit I'm out of ideas Thanks Greg

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Greaser


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Disc brakes on the 67 ?.........might be a stuck caliper.

other possibilities collapsed brake hose,



-- Edited by Greaser on Sunday 5th of June 2016 10:52:06 AM

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oshawacliff


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Try switching the wheel cylinders from left to right. See if it goes the other way.

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Cliff

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Like the larger type for my eyes. 

 

 
seventy2plus2


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oshawacliff wrote:

Try switching the wheel cylinders from left to right. See if it goes the other way.

 LOL, don't think that'll work as the front wheel cylinders are side specific.



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seventy2plus2


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I'd say either a faulty wheel cylinder or junction block.



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hawkeye5766


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Did you have the brake shoes right off when you replaced wheel cyl? There is a primary and secondary shoe, one is longer than the other. If you took them off,maybe replaced backwards? I would also pull drums and make sure all hardware is still on properly and no broken springs.



-- Edited by hawkeye5766 on Monday 6th of June 2016 12:53:02 AM

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seventy2plus2


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hawkeye5766 wrote:

Did you have the brake shoes right off when you replaced wheel cyl? There is a primary and secondary shoe, one is longer than the other. If you took them off,maybe replaced backwards? I would also pull drums and make sure all hardware is still on properly and no broken springs.



-- Edited by hawkeye5766 on Monday 6th of June 2016 12:53:02 AM

 Good advice.



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Brian


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All suggestions are good ones.
Look at my problem I had with complete rebuild.
canadianponcho.activeboard.com/t40902016/brake-problem/

You never know. still have no problem to this day.

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Sounds similar to a problem I had with my GMC, it was the brake line (flex line) to the wheel.



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SGS Welding


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Thanks for all responses I think I have figured this out When I fixed each side I took some emery cloth and scuffed the glaze off the shoes and drum But I was in a hurry to finish up and did not scuff the other side After about 50 stops things are even again That's my theory .....

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