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Old 02-24-2015, 04:51 PM
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Default Rear Brakes

Well a couple of weeks ago I decided to do the rear brakes on YabbaDoo... The job was easy for the most part but finding good Drums was a pain!! Being that I am going to be towing the RV quite a bit this summer I wanted to make sure everything is up to par. When getting the tires I had noted the drums were grooved badly even though I had more than plenty of shoe life I wanted to make things right before hauling any distances.. The original drums were beyond putting on the lathe so I bought new ones along with new shoes so I know that everything would wear evenly over time. The old shoes had plenty of meat but had worn the way of the old drums so, in my book unusable... (See pics) Anyway, put everything together ( always taking pictures and leaving one side intact as a mirror subject to be able to physically see where everything is supposed to go) Now that everything was back together it was time to take it for a drive... YIKES!! The chatter was so bad I thought the dash was going to shimmy off and fall in my lap... I had called MNTom on the day I put everything together because 2 of the brake shoes(the ones that go towards the front ) were significantly thinner than the other 2 that came with the set.. Last time I had done the brake shoes on my other truck all 4 were the same thickness. I was thinking well maybe that's it I did go to Advance, Auto Zone and Napa and looked at everyones brakes and they were all alike 2 thin, 2thick so I bought some from Napa so I could change them the next day (Driving the truck with the brakes chattering the way they were was downright dangerous!!) I also upgraded to the 97 Chevy 3500 cylinders as well even though my old ones were't leaking I decided what the hell for an extra 16.00.. CUMMINSDIESELPWR came over to give me a second set of eyes making sure I had done everything correctly... Yup, I had!! Anyway we put the new shoes from Napa on and took it for a test drive... Still bad!! So, we put another drum on the drivers side right in front of Advance Auto.... It helped some but it still wasn't right!! So the next day I went to Napa and Got 2 of thier drums and changed them right there in the front of the store... OMG what a difference!! It still has a wee bit of chatter but Nothing like it was with the advance drums and brakes!! Luckly Advance was right next door up in Land O Lakes and I returned their crap parts there!!
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Scooby Doo 1994 Ram 1500 5.9 Gas 268,276 Stock, Yabba Doo 1997 Ram 3500 5.9 12v Cummins 257,134 60hp DAP VCO 5x .012 Scrappy Doo 1990 GMC
2.5 5 speed 455,477, Bleu 1991 Lincoln Continental Executive 3.8 53,412, Leo 1969 Buick Wildcat 430 47,325 BabeII 2000 World Trailer 40' 4 horse head to head Gooseneck Trailer http://www.goodbehaviordogtraining.com
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Old 02-24-2015, 08:11 PM
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I'm glad they are better! That last picture of your shoes show that it was not using the whole shoe against the drum. With the new shoes and cylinders you should have better brakes. Given a little time and use they may wear in and stop the shuddering. Mine did that but there was what looked to be a hard spot in one drum. Once I changed them it was fine. I still don't quite understand why yours were so bad.
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Old 02-25-2015, 10:52 AM
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Crappy Drums from Advance...
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Scooby Doo 1994 Ram 1500 5.9 Gas 268,276 Stock, Yabba Doo 1997 Ram 3500 5.9 12v Cummins 257,134 60hp DAP VCO 5x .012 Scrappy Doo 1990 GMC
2.5 5 speed 455,477, Bleu 1991 Lincoln Continental Executive 3.8 53,412, Leo 1969 Buick Wildcat 430 47,325 BabeII 2000 World Trailer 40' 4 horse head to head Gooseneck Trailer http://www.goodbehaviordogtraining.com
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Old 02-25-2015, 04:22 PM
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Ok, this shows my age. Back in the day, I change my brakes on an old Ferd pickup. The had a slight chatter and when I threw this at a break shop, they scoffed the shoes to make sure they were arch properly. They did a very slight turn on the drums to make sure they were arch properly and round. When they got installed, they ran perfect until the next brake job was needed. I was told even the best shop can have a slight issue once in a while and a better shop verifies the parts are true before installation. They did this on every vehicle going through their shop so they have less issues with their customers. Might consider that ?
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2006 Dodge Ram, 2500, Big Horn, 5.9 Cummins, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Filter Kit, Transfer Flow 56 gal tank, 110 gallon in-bed tank, XX-Fuel System, Coolant Bypass Kit, Mag-Hytec front & rear, 285 x 70 x 17

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Old 02-25-2015, 08:32 PM
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You know, I never thought about the shoes not fitting the drums. It almost sounds like the shoes are a slight amount larger than the drums. The ends of the shoes are probably hitting the drums first causing the 'chatter'. That makes sense to me.....
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Old 03-01-2015, 03:15 PM
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Another question, are the ends of the brake material tapered?
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5 timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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Old 03-05-2015, 10:25 AM
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Yes, ends are tapered... Well, as of last night I am now on Drums #6 & 7 .... I will explain more later have to leave to teach classes...
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Scooby Doo 1994 Ram 1500 5.9 Gas 268,276 Stock, Yabba Doo 1997 Ram 3500 5.9 12v Cummins 257,134 60hp DAP VCO 5x .012 Scrappy Doo 1990 GMC
2.5 5 speed 455,477, Bleu 1991 Lincoln Continental Executive 3.8 53,412, Leo 1969 Buick Wildcat 430 47,325 BabeII 2000 World Trailer 40' 4 horse head to head Gooseneck Trailer http://www.goodbehaviordogtraining.com
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Old 03-05-2015, 11:25 AM
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I wonder if you are going to need to get the new drums turned and trued up. They sometimes sit on a pallet or on a shelf for a long time and can warp slightly. The thickness of a fingernail can cause the brakes to pulsate or chatter. That is about the only thing left far as I know.
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5 timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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Old 03-07-2015, 03:40 PM
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Quote:
Originally Posted by YabbaDoo View Post
Yes, ends are tapered... Well, as of last night I am now on Drums #6 & 7 .... I will explain more later have to leave to teach classes...


Well, it's been a couple days, and you have me curious. What's up ?
(And don't say it's to cold to check it out, I saw the temp you sent MnTom.)
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2006 Dodge Ram, 2500, Big Horn, 5.9 Cummins, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Filter Kit, Transfer Flow 56 gal tank, 110 gallon in-bed tank, XX-Fuel System, Coolant Bypass Kit, Mag-Hytec front & rear, 285 x 70 x 17

We the people are the rightful masters of both Congress and the courts, not to overthrow the Constitution but to overthrow the men who pervert the Constitution.
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Old 03-10-2015, 03:19 PM
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Well, so far Drums # 6&7 seem to be the best ones yet... #4&5 worked ok ( by ok, I mean they had a slight bit of chatter like a break in type of feel to them and seemed ok for about 1500mi then after a long trip to Orlando they got really chattery that evening and worse the next day!! So much so the back end of the truck hopped around and went sideways a bit on a panic stop) Let me put another 1000 miles on and I will let you know!! And it would be it is too F'n Hot out here in Fl!!
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Scooby Doo 1994 Ram 1500 5.9 Gas 268,276 Stock, Yabba Doo 1997 Ram 3500 5.9 12v Cummins 257,134 60hp DAP VCO 5x .012 Scrappy Doo 1990 GMC
2.5 5 speed 455,477, Bleu 1991 Lincoln Continental Executive 3.8 53,412, Leo 1969 Buick Wildcat 430 47,325 BabeII 2000 World Trailer 40' 4 horse head to head Gooseneck Trailer http://www.goodbehaviordogtraining.com
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