brake squeaks, locks, grabs, side pull, etc.. (57)

[Philippe Courant <accf-club@xxxx>]

I think that at one or another time, the post title is correct for mine 
... ( difference between "squeals" and "squeaks" ?)
I had no time to investigate my front wheels, maybe in some days so i'll 
keep you informed of what i find. Regarding the numerous replies, the 
first thing to check is contamined lining and leaking wheel cylinders.
I precise some infos about my brakes:
Fluid: silicon - Last major overhaul: 3 years old with these new parts: 
master and wheel cylinders, linings, flexible hoses, brake lines. "old" 
parts: return springs, brake support plates . Front drums has been 
turned, i replace (after the problem occured) the left one with another 
original. Seems that problem disapears but after 1 or 2 weeks, the 
"cold" locking came back.

About disc brakes improvement: i tried to find a kit (AAJ) but here is 
their reply:

> We are building a kit for 57-62 Imperial We just picked up a spindle 
> today, we are probably 2 weeks away from having a kit. The kit will 
> use 12" Rotors, 5 on 5 .5" but a 14" wheel will not clear. To use a 
> 14" wheel you can't use a rotor larger then a 11", it won't clear the 
> caliper and as far as I know there is not a rotor being made 11" with 
> 5.5" bolt pattern. Also the 57 Imperial does not share a spindle with 
> the 300C. The 300C shares a spindle with the rest of the 57 - 61 
> Chrysler, DeSoto, Dodge, and Plymouth. At least bearing size, inner 
> being A-6 and the outer being A-2, Imperials use larger wheel 
> bearings A-5 inner and A-3 outer. 

I don't want to buy a set of 15" wheels, a set of 15" tires and a set of 
15" wheelcovers..

About "trigger arm" adjustement, see what says the 57-59 FSM canadian 
version (more pics than in the '57 US FSM) at 
http://www.ifrance.com/c-i-f/images2/brake1.jpg . I think that this 
adjustement could alter the "strenght" of the booster.

Also some tips about "squeaking" brakes , see 
http://www.ifrance.com/c-i-f/images2/brake2.jpg . I don't understand 
very well how grooving the lining !! side to side ? top to bottom ? 
diagonal ? This applies to P30 D64 rear brakes. Not for front brakes ?

Thanks to all who reply, i'll let you know what occurs.

PS: i'm sure i've a contamined lining: it's the ...rear left which was 
cleaned but not replaced after an axle leakage. But it's at the rear ...

-- 

Philippe COURANT (Pau, France)- Webmaster des sites ACCF et C-I-F
Imperial 1957 Crown convertible
Buick 1996 Roadmaster wagon

- American Car Club de France (ACCF) : http://www.accf.com

- Chrysler Imperial France (C-I-F) : http://www.ifrance.com/c-i-f

- Cadillac " Standard of Excellence " : http://www.ifrance.com/accf-cad

- SportsCars : http://www.ifrance.com/accf-sprtcar




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