I wasnt being cheap. I would have done it right but some things you learn the hard way. I grease my truck every other week. This is my first truck and I'm learning. I really appreciate the help I didn't know how to check the S cam bushings.
uneven brake shoe wear
Discussion in 'Trucks [ Eighteen Wheelers ]' started by rollin coal, May 1, 2010.
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I just checked it and both brakes on the rear axle need new s-cam bushings. The front axle was fine but I'm going to replace those as well. Thanks to everyone!
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grease is the best insurance you can buy!
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before you rush into replacing them you may want to just ride them out till brake job time. you may not be able to remove the s cams without removing the hubs. not a big job in itself , but still, rebuild the whole axle end at the same time. brakes, seals, bushings, that sorta thing. of course this is all dependent on the amount of shoe you have left. but i'm guessing if you have a noticeable difference between the bottom there is a good bit of miles on the brakes anyway. free advice and worth every penny.
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almost forgot, the bushings will need replacement , but you may also need to replace the s cams. there is a left and right side. when you start this job , make sure it is on a weekday. that way if , when you tear into it, if you need cams , you can get them and not find this tiny bit of info out on sunday afternoon and mess up you haul schedule for scheduled maint. that turns into unscheduled maint. johnny
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I've already got 2 bushing kits. I dont know what the s-cams look like but I've decided to just go ahead and replace those as well. The previous owner of the truck put 700000+ miles on the original shocks i have doubts about the s-cams being good. The shoes still have some life but the bottom ones are worn bad the guy that's helping me do it said he'd have to look but I might end up having to replace those. will it be necessary to change the top shoes too? they are fine i'd rather not.. it seems like the dragging goes away at about 25mph but i can really hear it slower i'll be glad to get everything right this weekend.
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Easy for me to spend your money, but i would change everything. The money you will save aint worth trading for satisfaction of having good brakes. And there is to much liability nowadays, to take the chance. The place to save money on brakes is with the brake pedal (or lack of).
dieselbear Thanks this. -
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replace both shoes. that's why i was saying that if you have life left in your shoes, hold off on this maint unitil you need to replace the brakes. get the life out of the shoe, a core is a core. rebuild the entire wheel end while you have things apart , it will save lots down the road. plan your maint so that you are only removing pieces one time. johnny
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