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If you're unfamiliar with drum brakes, do 1 side at a time-then you can always look at the other side as a reference. Just remember that they are mirror images of each other.
whilst on the topic of drum brakes, how do you fellers go about hooking up the parking brake cable? I've been trying to use a small screwdriver to pry back the spring and slide the cable into the slot...but after an hour of fighting and 5 perforations, I'm thinking I'm doing something wrong.
I would hook up the end of the cable, leaving it out of the guide, then use a screwdriver stuck in somewhere near the guide (or on the guide itself) and just lever the cable into place. Keep your other hand and fingers out of the way in case you slip, but the cable should just slide down the screwdriver into the guide if you do it right.
1994 ford bronco Friend tried to fix put on new calipers and checked back brakes. brake drag
Originally Posted by ncranchero
Here is the diagram from the manual.
It never had brake drag till after he put on new calipers and took apart brakes to inspect them. I Fear with the 5 miles/hour every second that it now has when I let off the gas something didn't get put back together right. Can't find my copy of repair manual and want to make sure the 1994 brake drum picture is for a bronco. I have no idea what he did wrong but it isn't the same truck I took to him.
what are leading and trailing shoes? My mechanic took apart rear brakes and put on new front calipers and Now I have brake drag. Never did before so I assume something didn't get put together right. Bad drag no pulling to a specific side.
Why did the mechanic take apart the rear brakes? I'm assuming they needed new shoes and that's what was done. It's normal for drum type brakes to have a light drag when spinning the wheel by hand, it's not a cause for concern.
I only point that out because maybe that's not what you are referring to when you talk about dragging? It's of course not normal for brakes to drag or stick noticeably while actually driving or make noises etc and you wouldn't be here. You're kind of stuck if it's the latter because your options, unless you want to do the maintenance yourself are to take it back to the same guy and hope he fixes it or, take it to another reputable mechanic shop and see if they can figure out what he screwed up.
Brake shoes are often installed in special pairs, the way they work, one shoe is a bit shorter in terms of lining material, and goes in front, it is called the primary or leading shoe, the secondary or trailing does most of the work so has more lining, it gets leveraged harder into the drum because it has nowhere else to go being stopped by the pivot pin. This is called the Bendix system, they are called Servo or "self energizing"; they increase braking power without having to push as hard on the pedal. With all that said if the shoes are mismatched or installed wrong in that sense they won't work as well but it won't cause them to stick or lock up. Are the noises coming from the front axle or rear axle?
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