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BigK75
Dodge Dakota
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1/19/2005
17:11:07
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 Subject: Rear brakes not functioning at all
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Hey guys I have rear drums in 2000 dodge dakota. When I brake the rear wheels do not brake at all. We tested this by driving down an icy street and hitting the brakes. The front lock up but the back(both sides) keep on turning until the vehicle comes to a stop. I am pretty handy at fixing stuff myself, but don't want to replace stuff without knowing whats wrong. Can someone give their opinion on the problem, or point to the debug process for figuring out where the problem is coming from. Personally I suspect the wheel cylinder.
Thanks,
Claude
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ZoSo
Dodge Dakota
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1/19/2005
18:15:52
| RE: Rear brakes not functioning at all
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Message:
BigK75,
I dont mean to sound critical, but the Dakotas have anti-locking brakes on the rear. The fronts will lock up if you hit the brakes hard enough but the rears will never slide (at least in anti-lock theory).
The best way to test your brakes is to lift the rear off the ground then carefully put the truck in gear and apply slight pressure to the gas.
Once the wheels are spinning then try to hit the brakes.
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JasonB
Dodge Dakota
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1/19/2005
18:18:37
| RE: Rear brakes not functioning at all
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Your truck should be equipped with Rear Wheel Anti-Lock brakes. If this is the case, your rear wheels will not lock. With the rear of the vehicle raised, depress the brake pedal and try to turn either rear wheel, then try again without the brake pedal depressed. If you have no difference, then you should consider adjusting the rear brakes by turning the adjusters so that the rear brake shoes are pushed further against the drums. Be careful not to overtighten. The shoes should be in contact with the drums while exhibiting only a small amount of noticeable resistance (without the pedal depressed). While you're at it, clean all the dust from the drums and rear brake components. If you continue to notice no difference in pedal applied vs pedal not applied, then have it diagnosed by an experienced/trained mechanic/technician.
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Dave Mitchell
Dodge Dakota
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1/20/2005
00:53:04
| RE: Rear brakes not functioning at all
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Message:
Liberty Motors of Grass Valley, CA repaired my rear brakes for me. I asked the to replace the wheel cylinders, as they were beginning to seep. They replaced the wheel cylinder, and turned the drums and the discs in front.
I nearly coasted out into the street leaving the shop. It wouldn't hold with teh parking brake set on hilss. I figured the auto adjusters needed to take out some slack. Three weeks later the slack was still there, I back out of my driveway, ansd also went to a parking lot and repeatedly backed/braked/backed/brake to no avail. I hit a deer and had $3000 in repairs done. I took it back to the shop and they told me there was nothing wrong with the brakes and they are "professionals". I told them I wanted them to adjust the brake shoes out to compensate for the turning of the drums. Finally the manager in pissy tone told the mechanic to adjust the shoes to get me out of his face. They forgot to do the initial adjustment... But would not own up to it. I have since removed the plate frames they put on my truck when they replaced the fuel pump. Magnussens in Auburn, CA started screwing me when my warranty was nearly expired, also. So I quit going to them for service. Stay away from these two.
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Allan
Dodge Dakota
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1/20/2005
09:03:23
| RE: Rear brakes not functioning at all
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When you hit the brakes you will know when the rears are working. Drive slowly with the window down and you will hear the rears skidding. Do it on a dirt road. The rears have to lock up before the ABS kick in and then you will definitely feel the rear ABS cycling on and off. The ABS operates so slowly as they cycle from lock to unlock you could time it with a watch. The rear ABS system is the most basic system out there. The system actually operates a solenoid that dumps the pressure untill the ABS sees the rears turning again. The system compares the speed of the diff sensor against a sensor in the output shaft of the transmission. Four wheel ABS cycles the high pressure pump on and off where our cheap rear ABS just cycles the pressure on and off. ( SLOWLY ) When it cycles in my truck it feels like the cycling is affecting the pressure to the front brakes. Not the best system but thats what we have.
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kevin
Dodge Dakota
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1/20/2005
20:44:29
| RE: Rear brakes not functioning at all
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park your truck on a steep hill leave it in neutral witht the e brake on and wait t few seconds if it doesn't role you know that your rear brakes are working some maybee not as good as you hope for but like already said that can be adjusted witht the star wheels in the back of the drums.
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welshry
Dodge Dakota
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1/21/2005
08:02:10
| RE: Rear brakes not functioning at all
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With my 96 a year or so ago the proportional valve stuck and left me with only front brakes. The proportional valve is supposed to shift braking power from front to back depending on load and slope. You can check it with 2 people. Underneath the master brake cylender there is a small cap on the front of the proportional valve. If you remove the cap and have someone else press the brakes you should be able to see a small rod move in and out (if it is working properly). Be careful not to get any dirt or dust in your brake system! Clean around the cap before you remove or replace it! I hope this helps.
Ryan
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Izzy
Dodge Dakota
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1/21/2005
09:12:30
| RE: Rear brakes not functioning at all
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Message:
I have thought for years that my rear brakes either did not work or were not adjusted correctly.
At 70k miles, I replaced my front rotors and pads and went to replace the rear shoes and turn the drums but the shoes looked as good as the new ones in the box. The drums looked as if they were new too. That led me to really think something was wrong there too. When I asked at the stealership about it, they just told me that I probably do not brake hard enough to really use the rear brakes.
Well, I am at 104k miles now and about to do my front brakes again, I'll pull the rears again and see whats up.
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JasonB
Dodge Dakota
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1/21/2005
13:42:19
| RE: Rear brakes not functioning at all
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Message:
Rear drum brakes commonly last about twice as long as front disc brakes. If your rear brake shoes are not getting any (or very little) wear then you should consider having the rear shoes adjusted. Its a good idea to have them adjusted routinely every 20-30 thousand miles.
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terencejiminy
Dodge Dakota
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3/21/2014
14:52:31
|  RE: Rear brakes not functioning at all
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HOLY COW gang! This is heading in wrong direction.......
MY 2000 (219K) has same problem. Anybody recall the problem Dodge was having where the STEEL brake lines rusted on the inside and rust flakes were blocking various ports and fittings??
I've been off the site for a while but STILL have this same problem......
I replaced ALL the brakes: shoes, drums, pads, calipers and rotors. NO HELP, ZERO, NADA!!!
Terry
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terencejiminy
Dodge Dakota
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3/21/2014
15:01:55
| RE: Rear brakes not functioning at all
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The repair sounds/seems easy - backflush the entire system to bring flakes n bits BACK where they came from. NOT that easy. The antilock valve may be where it ended up but imagine the time and cost to clean it ALL out????
I'm 65 and cant do this kinda stuff anymore. On Social Security so I cant afford to have it done.
CATCH 22 ?
BTW: Chrysler KNOWS all about this problem. They found it.
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chocopie
Dodge Dakota
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12/20/2018
10:13:20
| lRMGkEjWXYByPRbSoBs
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EAqp5y I truly appreciate this post. I ave been looking everywhere for this! Thank goodness I found it on Bing. You have made my day! Thanks again..
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