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Wedge TR7 Rear Brakes

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Tom Bedenbaugh

Jedi Hopeful
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I have a 1980 TR7 in my shop. It's the second TR7 I've worked on in the 20 years I've been working on British cars. I'm try ing to get the rear drum off, and can not find an ajustment to back off the brake shoes. Were is the ajuster and how do you back it off. My manual says to remove the rubber plug and insert a screwdriver to ajust them. Well, the 80 model doesn't have a rubber plug on the backing plate.
 
Tom.
My '78 brakes doesn't have a plug either, but regardless.. there are two holes. One you should be able to get at the teeth on the emergency brake and back it off, but I have had mine off several times, including yesterday with no problem. I just went around the perimeter with a screwdriver easing it off.
Oh, you did take out the screw on the drum, right? /ubbthreads/images/graemlins/smile.gif

Paul
 
Luke, I assume the two holes your talking about are the ones in the drums. I have looked through those with a flash light as I rotated the drum and haven seen anything to trigger. I even unhooked the e brake cable to see if that would help. Yea I did remove the screw.
 
The holes are on the REAR of the BACKPLATE. Not the drum itself.
Good luck. /ubbthreads/images/graemlins/smile.gif

Paul
 
Yes that is fun trying to get off the drums especially when the drums are worn extensively and the brakes adjust well. On some models there are adjusting holes and you cannot get to the adjuster. (Maybe put in wrong) One option I have used and sometimes works is to try to pull and turn the drum at the same time. I have had a few success applications doing this. Something like unscrewing a bottle cap. If your drums have that deep of a groove in them they will probably need replacing. I was lucky with mine as I was able to unscrew the drum. (It wouldn't come off either) and then file the edge down so I could slide it back on easy. But I am maxed out on drum diameter. Better to buy new brake drums. One little quirk in putting those springs and things back together is to remember how you took them apart as you can put them back together wrong(the adjuster mechanism can go in backwards) Guess who found that out the hard way and had a hard time removing the drum again. But back to the drum. Hopefully you can get the stubborn thing off without resorting to a zip disk or similar /ubbthreads/images/graemlins/smile.gif
 
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