Re: IML: 62 Brake Redo

[PAUL WENTINK <randalpark@xxxxxxx>]

To be completely honest, I don't know the answer to any of your 
questions, but I decided to offer something to this anyway. I know that 
I sound like a broken record (do kids today even know what that 
means??), but I believe that if you read the FSM Service Brake Section, 
it will explain everything there is to know about what should and 
should not be lubricated, caulked, or sprayed with corrosion 
inhibitors. My basic understanding is that the only place that anything 
should be used is a very slight amount of axle grease where the shoes 
rub the backing plate. Otherwise, everything should be bone dry.

As for the bent backing plate, that sounds like the symptom of someone 
pulling the drum off with the shoes tight against it. During the last 
40+ years, most of our cars have been worked on by a variety of people. 
Some of them were not necessarily very smart or very skilled. It is 
hard to say what was done and who did it. All of that aside, the only 
correct way to rebuild the brakes is to follow the steps in the FSM 
very precisely.

Paul W.


-----Original Message-----
From: Joe Strickland <jwstrick426@xxxxxxxxxx>
To: Imperial Mail List <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Mon, 29 Oct 2007 8:54 am
Subject: IML: 62 Brake Redo


To The Group;

I received the brake assembly I ordered from Bob Hoffmeister and 
started working on the left front brake again.  One thing I discovered 
while looking at the original brake shoe support plate assembly was 
that it looked slightly bowed looking at it on edge.  I took my steel 
carpenter's square and held it against one side of the assembly and 
sure enough there was about a 1/32" to 1/16" bow to the assembly.  I 
have cleaned up and freed the brake shoe adjusting cams after applying 
some liquid wrench ti the one I got from Bob.  I cleaned all the 
surface rust I could get to and now I have some questions:

     Should I get all the oil from the liquid wrench off and then treat 
the steel plates with a corrosion protector product?
    
     If corrosion protector is called for, what brand and type would 
you recommend?

     Should the brake cylinders have some 3-M caulking compound placed 
on the mounting surface of the dust shield/back-up plate?
          (The original dust shields that came with the car had no 
caulk around the wheel cylinders, but I have no way to know if it had 
some originally).

Joe


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