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Re: [TR] Brake drum grabbing

To: floridatr6@cfl.rr.com
Subject: Re: [TR] Brake drum grabbing
From: Dave <dave1massey@cs.com>
Date: Wed, 8 Jul 2015 18:10:14 -0400
Cc: triumphs@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
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As I said in my first response, check the brake fluid leakage or other 
contamination of the brake shoes.  You might also have a cracked drum.
 

 

Dave Massey


 

 

-----Original Message-----
From: Joe Burlein <floridatr6@cfl.rr.com>
To: Dave <dave1massey@cs.com>
Cc: triumphs <triumphs@autox.team.net>
Sent: Wed, Jul 8, 2015 4:02 pm
Subject: Re: [TR] Brake drum grabbing


 
That is exactly what happens. So, possibilities?    
  
 
 
  
On Jul 8, 2015, at 16:40, Dave <  dave1massey@cs.com> wrote:  
  
 
 
  
        
      If the brake locks up when the brakes are applied but release instantly 
when the pedal is released I would suspect the problem is not hydraulic in 
nature.     
     
     
      
     
     
     Dave Massey     
      
     
     
      
     
     
      
     
     
-----Original Message-----     
 From: Joe Burlein <     floridatr6@cfl.rr.com>     
 To: Geo Hahn <     ahwahneetr@gmail.com>     
 Cc: list Triumph <     triumphs@autox.team.net>     
 Sent: Wed, Jul 8, 2015 2:22 pm     
 Subject: Re: [TR] Brake drum grabbing     
      
      
       
        
 Thanks Geo.         
        
         
 "         A test would be if the brake releases immediately when you crack 
open the bleeder."        
        
         
         
        
         Do you mean releases fully?  It is released enough to not drag when 
driving.         
        
         
         
        
         
 On Jul 8, 2015, at 10:10, Geo Hahn <         ahwahneetr@gmail.com> wrote:      
   
         
        
        
         
          
           
 Joe -           
           
            
           
           
 First suspect that I think of when a rear brake locks up is a bad wheel 
cylinder.           
           
            
           
           
 A test would be if the brake releases immediately when you crack open the 
bleeder.           
           
            
           
           
 Fortunately, if that is the cause the fix is cheap & easy.           
           
            
           
           
 Geo           
          
          
           
           
 On Wed, Jul 8, 2015 at 6:55 AM, Joe Burlein            <floridatr6@cfl.rr.com> 
wrote:            
            
 It has been one of those summers for the TR6. Almost to the point of wanting 
to drive her into the river and leave her there!             
             
 Today's problem is a left rear drum that is locking up under braking. I went 
to push the 72 out of the garage (after releasing the e-brake) and found the 
brakes locked up on the left rear side. We got her to finally move by rocking 
her back and forth. Everything seemed to be fine until I stopped quickly on a 
drive. That side locked up. Under slow normal braking it is fine. Suggestions?  
           
             
 Thanks,             
             
 Joe B             
             
             
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<font color='black' size='4' face='Arial, Helvetica, sans-serif'><font 
size="4">As I said in my first response, check the brake fluid leakage or other 
contamination of the brake shoes.&nbsp; You might also have a cracked 
drum.</font>

<div> <br>

</div>



<div> <br>

</div>



<div style="clear:both"><font size="4">Dave Massey</font><br>

<br>

</div>



<div> <br>

</div>



<div> <br>

</div>



<div 
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original 
Message-----<br>

From: Joe Burlein &lt;floridatr6@cfl.rr.com&gt;<br>

To: Dave &lt;dave1massey@cs.com&gt;<br>

Cc: triumphs &lt;triumphs@autox.team.net&gt;<br>

Sent: Wed, Jul 8, 2015 4:02 pm<br>

Subject: Re: [TR] Brake drum grabbing<br>

<br>






<div id="AOLMsgPart_2_01356d92-05d9-4bba-88d5-7413b55b49db">


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<div>
That is exactly what happens. So, possibilities? &nbsp;
  <br>


  <br>


 </div>


 

<div>
  <br>

On Jul 8, 2015, at 16:40, Dave &lt;
  <a target="_blank" 
removedlink__6b33c68d-ecc1-4193-8570-60c0265c7cb6__href="mailto:dave1massey@cs.com";>dave1massey@cs.com</a>&gt;
 wrote:
  <br>


  <br>


 </div>


 <blockquote>
  

<div>
   <font color="black" face="Arial, Helvetica, sans-serif" size="4"> 
    

<div> 
     <font size="4">If the brake locks up when the brakes are applied but 
release instantly when the pedal is released I would suspect the problem is not 
hydraulic in nature.</font>
     <br>

 
    </div>

 
    

<div> 
     <br>

 
    </div>

 
    

<div style="clear:both">
     <font size="4">Dave Massey</font>
     <br>

 
     <br>

 
    </div>

 
    

<div> 
     <br>

 
    </div>

 
    

<div> 
     <br>

 
    </div>

 
    

<div style="font-family:arial,helvetica;font-size:10pt;color:black">
-----Original Message-----
     <br>

 From: Joe Burlein &lt;
     <a target="_blank" 
removedlink__6b33c68d-ecc1-4193-8570-60c0265c7cb6__href="mailto:floridatr6@cfl.rr.com";>floridatr6@cfl.rr.com</a>&gt;
     <br>

 To: Geo Hahn &lt;
     <a target="_blank" 
removedlink__6b33c68d-ecc1-4193-8570-60c0265c7cb6__href="mailto:ahwahneetr@gmail.com";>ahwahneetr@gmail.com</a>&gt;
     <br>

 Cc: list Triumph &lt;
     <a target="_blank" 
removedlink__6b33c68d-ecc1-4193-8570-60c0265c7cb6__href="mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a>&gt;
     <br>

 Sent: Wed, Jul 8, 2015 2:22 pm
     <br>

 Subject: Re: [TR] Brake drum grabbing
     <br>

 
     <br>

 
     

<div id="AOLMsgPart_1.2_4e966090-88b6-4c85-97c1-98352f70b614"> 
      

<div dir="auto" class="aolReplacedBody"> 
       

<div>
 Thanks Geo.&nbsp; 
       </div>

 
       

<div> 
        <br>

 " 
        <span style="background-color: rgba(255, 255, 255, 0);">A test would be 
if the brake releases immediately when you crack open the bleeder."</span> 
       </div>

 
       

<div> 
        <span style="background-color: rgba(255, 255, 255, 0);"><br>

 </span> 
       </div>

 
       

<div> 
        <span style="background-color: rgba(255, 255, 255, 0);">Do you mean 
releases fully? &nbsp;It is released enough to not drag when 
driving.&nbsp;</span> 
       </div>

 
       

<div> 
        <span style="background-color: rgba(255, 255, 255, 0);"><br>

 </span> 
       </div>

 
       

<div> 
        <br>

 On Jul 8, 2015, at 10:10, Geo Hahn &lt; 
        <a target="_blank">ahwahneetr@gmail.com</a>&gt; wrote: 
        <br>

 
        <br>

 
       </div>

 
       <blockquote> 
        

<div> 
         

<div dir="ltr"> 
          

<div>
 Joe - 
          </div>

 
          

<div> 
           <br>

 
          </div>

 
          

<div>
 First suspect that I think of when a rear brake locks up is a bad wheel 
cylinder. 
          </div>

 
          

<div> 
           <br>

 
          </div>

 
          

<div>
 A test would be if the brake releases immediately when you crack open the 
bleeder. 
          </div>

 
          

<div> 
           <br>

 
          </div>

 
          

<div>
 Fortunately, if that is the cause the fix is cheap &amp; easy. 
          </div>

 
          

<div> 
           <br>

 
          </div>

 
          

<div>
 Geo 
          </div>

 
         </div>

 
         

<div class="gmail_extra"> 
          <br>

 
          

<div class="gmail_quote">
 On Wed, Jul 8, 2015 at 6:55 AM, Joe Burlein 
           <span dir="ltr">&lt;<a 
target="_blank">floridatr6@cfl.rr.com</a>&gt;</span> wrote: 
           <br>

 
           <blockquote class="gmail_quote" style="margin:0 0 0 
.8ex;border-left:1px #ccc solid;padding-left:1ex">
 It has been one of those summers for the TR6. Almost to the point of wanting 
to drive her into the river and leave her there! 
            <br>

 
            <br>

 Today's problem is a left rear drum that is locking up under braking. I went 
to push the 72 out of the garage (after releasing the e-brake) and found the 
brakes locked up on the left rear side. We got her to finally move by rocking 
her back and forth. Everything seemed to be fine until I stopped quickly on a 
drive. That side locked up. Under slow normal braking it is fine. Suggestions? 
            <br>

 
            <br>

 Thanks, 
            <br>

 
            <br>

 Joe B 
            <br>

 
            <br>

 
            <br>

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          <br>

 
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