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| Brake lockup - what do I need to replace? https://slantsix.org/forum/viewtopic.php?t=54409 |
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| Author: | WagonsRcool [ Fri Jan 24, 2014 12:18 pm ] |
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1) Drum brakes need all the help they can get in order to work properly. New spring hardware is cheap insurance. Check the cylinder boots for fluid seeps- I've seen lots of "good" cylinders start leaking weeks or months after doing a brake job. 2)Look for shiny specks between the rollers= worn bearings. Also check the rollers & outer races in the drum for pitting or discoloration. If ok then clean-repack-new grease seal. (if you do change bearings, you must replace the outer races as well) 3)No, but I would have the diameter checked to make sure they aren't too worn (ie, oversize) 4) gouged or grooved inside drum surface, or "brake pulse" (a shaking feel to the pedal or steering wheel when applying the brakes) 5) I can live with wavy, as long as function was ok before. 6) Make sure the short lining (primary) is in front. Pay special attention to checking "toe-heel" clearance betwwen the new shoes & the drums- You will have brake lock-up if it's wrong. 7)Yes- always do work on both sides. 8)It's been years, but there are special spring tools- one looks like a funny screwdriver for the shoe to backing plate hold-down springs- second is a more common brake spring "lever"- on end helps remove the return spring from the anchor pin, the other pries it back on. 9)Haven't played with drums in years- no longer have a preferance. |
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| Author: | Eatkinson [ Fri Jan 24, 2014 12:48 pm ] |
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Thanks for the quick reply. One last question. There's a large spring pulled all the way around the outer circumference of my wheel drum (on the driver's side, haven't checked the other side). FSM does not show this large spring in their illustrations. What's it's purpose? |
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| Author: | dirty hands [ Fri Jan 24, 2014 1:03 pm ] |
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your shoes are too getting hot or faulty material/glues to the shoes you know.. tighten drum till it doesnt turn then back off how many clicks are you backing off yes i have seen that spring thingy leave it there for sure I believe it is a heat disperser to try to even the heat of the drum another chrysler what a good idea at the time thing |
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| Author: | Eatkinson [ Fri Jan 24, 2014 1:42 pm ] |
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Thanks. Was informed it's an anti-squeak spring. Have a bunch of work to do now. |
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| Author: | Charrlie_S [ Fri Jan 24, 2014 4:42 pm ] |
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If the drums are wavy, have them turned. Otherwise the new "FLAT" shoes will just be touching the high parts of the drum, and you will have decreased brakeing effect, untill the shoes wear in to the drums (which will take awhile). Always do/replace the same parts on both sides of an axle, to keep braking force as equal as possible. The spring around the drum, is to dampen squeel. |
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