Need help!! Why are my brakes sticking?? |
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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Posted: 21 Oct. 2011 at 7:11am |
Ok.. So I've redone the brakes.. Everything is new except for the drums and they're in great shape and smooth inside!! My issue is that after you really mash on the brakes they stick and the the jeep won't roll unless you're in low range or REALLY ride the clutch in high range.. It doesn't do this every time though... It's worse after it's warmed up... And the wheels aren't hot after driving for a while.. I've adjusted the MC rod but that doesn't seem to be the problem.. When the brakes aren't stuck the wheels spin like they should with just a touch of drag.. But mash down on the brakes and they sometimes stick.. Any suggestions fellers??
FYI.. Front axle is original.. Back axle is a Dana 44 Thanks.. Josh |
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bkreutz
Member Sponsor Member Joined: 17 Oct. 2006 Location: Fruitland Idaho Status: Offline Points: 7037 |
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Have you checked the pivot point for the brake pedal arm?(if you move the brake pedal, does the clutch pedal move? they're on a common tube) Rust can build up in there and cause all kinds of problems.
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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I looked at it and it's clean.. It pivots perfectly..
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sudsie
Member Sponsor Member Joined: 20 July 2005 Location: , NJ Status: Offline Points: 385 |
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Did you put new brake hoses on the lines?
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Doggy
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F Bill
Member Sponsor Member x 2 Joined: 05 Dec. 2005 Location: central Texas Status: Offline Points: 7752 |
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How much free play is there in the master cylinder rod? ANd what did you do with the master, rebuild, replace, ??
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If you haven't checked out the tech FAQ section, go to:
http://www.thecj2apage.com/forums/tech-faq_forum57.html for a lot of great stuff you need to know!! |
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TERRY
Member Sponsor Member Joined: 22 May 2007 Location: BOULDER COLORADO Status: Offline Points: 3400 |
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Heat expansion in contaminated brake fluid?
Push rod mis-adjusted? Pressure relief port in MC clogged? Weak return springs? Do all 4 brakes hold up or just front or rear sets? If so look at the associated rubber hoses. |
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BOULDER 48 2A
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F Bill
Member Sponsor Member x 2 Joined: 05 Dec. 2005 Location: central Texas Status: Offline Points: 7752 |
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Do you have a master cylinder heat shield? ANd when the brakes stick on , are your brake lights on as well?
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If you haven't checked out the tech FAQ section, go to:
http://www.thecj2apage.com/forums/tech-faq_forum57.html for a lot of great stuff you need to know!! |
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DiverDownJames
Member Joined: 14 July 2011 Location: East Lansing MI Status: Offline Points: 538 |
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Is the pedal returning all the way back to the correct position, and if you aren't sure, when they stick try slipping your foot underneath and pulling it with your toes. I've run into this issue with my tractor, and with my brother's p.o.s. ford escort.
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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Well these damn brakes are still giving me fits!! I could understand if they stuck all the time but that don't!! And yes EVERYTHING is new.. And I've tinkered with the pushrod but still no luck.. And yes the peddle does return.. No the brake lights aren't on when they stick.
Any other ideas? They break free rather quickly but the drag really makes taking off a pain!! Can anyone point me in the direction of a good article on adjusting the brakes..front axle and brakes are stock rear is a Dana 44 with 11 inch drums and shoes...' Maybe im screwing up somehow.. Thanks!! |
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4412 |
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Another tip, I once honed a set of wheel cylinders out and re-built them with kits. The stone I honed them with left too coarse a surface so that the new cups would drag on the surface and the brake shoe return springs were not strong enough to release the shoes. I burned up the shoes before I got home. Were your wheel cylinders done this way, or all new? When they stick, is it all or just one?, a bad hose will not let the fluid go back to the master, I've been here too! If you have 3/4 inch free play on the brake petal, your master should be returned all the way and not blocking the return hole for the fluid. When your brakes are locked, jack it up and turn the wheels. You will know. Expert again! John
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Green Disease, Jeeps, Old Iron!
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Old Boy
Member Joined: 24 Mar. 2009 Location: England Status: Offline Points: 501 |
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Hi Josh, have you followed the procedure in the Mechanic's Manual? The shoes must be adjusted by turning the adjusters the correct way. I believe the brakes will stick on if the adjusters are turned the wrong way.
Looking at the rear of the back plate ( from the diff side ) the top left adjuster must turn anti clockwise, the top right clockwise, the bottom right anti clockwise and the bottom left clockwise.
Hope this helps. |
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46 CJ2A 29488, Harvest Tan, Sunset red wheels.
99 TJ. 2015 Ford Kuga Ecoboost. |
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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It appears to just be the rear brakes (danna 44 with 11" brakes).. Any good articles on these??
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ralf
Member Sponsor Member x 2 Joined: 06 May 2008 Location: Fayetteville WV Status: Offline Points: 4861 |
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Josh,
If you have the early style 11" brakes from a pick up with cam adjustors, here is what they look like. Notice the cam right above the clips on the inside view. On the back view you can see the adjustor end of the cam that you turn to adjust. I think there is a little arrow to show which way to turn Edited by ralf - 26 Oct. 2011 at 2:22am |
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1947 CJ2A
1948 CJ2A 1953 Ford NAA Golden Jubilee Tractor 1941 J-3 Cub 1957 Farmall Cub Low Boy tractor 1942 Clarktor WW2 tug |
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ralf
Member Sponsor Member x 2 Joined: 06 May 2008 Location: Fayetteville WV Status: Offline Points: 4861 |
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Here you can clearly see both cams and how they are oriented.
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1947 CJ2A
1948 CJ2A 1953 Ford NAA Golden Jubilee Tractor 1941 J-3 Cub 1957 Farmall Cub Low Boy tractor 1942 Clarktor WW2 tug |
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DiverDownJames
Member Joined: 14 July 2011 Location: East Lansing MI Status: Offline Points: 538 |
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Pop off the drums and take a picture, a picture is worth 1000 posts. PM me it if necessary, I've worked on a few 44's and I might be able to spot the issue.
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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Well.. I tried to pop off the drums... Bahahhahahahahahahaah!! This sh*t is driving me CRAZY!!! They are tighter than a virgins... Well you get the point!! I'll have to borrow a puller tomorrow! I did notice that I could still turn the passenger rear wheel when they stick.. But it is noticeably harder.. The drivers side rear will not budge! I don't know what's up with that!! Oh and to top things off my little adjusters are looking pretty grim.. They look awfully rusty.. But I've got them soaking in some PB blaster. I think I'm going to name my jeep.. "baby ass"..... Because shut just keeps come'n!!! Thanks guys I'll report back tomorrow with pics!
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DiverDownJames
Member Joined: 14 July 2011 Location: East Lansing MI Status: Offline Points: 538 |
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I'd be willing to bet that your adjusters are the issue. Might just want to consider replacing them. I'd bet they are cheap as can be.
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Joshuatwatson
Member Joined: 16 Aug. 2011 Location: FallsOfRough,KY Status: Offline Points: 340 |
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Oh and by the way.. The brakes were working pretty good before it sat at the mechanics for 3 months!!! In fact they were the only damn thing that were working right!!
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