I don't even have a name for this failure

[Tungsten]

Well I was driving around in the park and all of a sudden I heard a low loud thump from the back. Now whenever I step on the brakes there is a thump followed by some rubber sounding squeaking. If I let go of brakes it moves forward fine. When I put it in reverse, it creeps back a little bit and both wheels lock up making the truck slide back. I have a limited slip differential so I was thinking the diff is out and its a matter of miles now before forward drive fails too. Could it be the transmission or transfer case? What can be the problem?

[edicer2]

i dont think its the tranny. auto or manual?

[Tungsten]

Auto

[adamzan]

Maybe something to do with your rear brakes?

[Tungsten]

They would not lock up reverse for no reason, if it was the brakes then it would be locked forward too I think.

[Precise1]

Back brakes is my guess. Something failed so pull the drums and look. Takes 30 minutes max for both sides...

 

B

[Tungsten]

How would this only affect reversing? The wheels lock after about 4 feet of reversing.

Edited July 29, 2009 by Tungsten

[Precise1]

Spinning one way lets parts rub and get pushed away, spinning the other makes them rub and get bound together.

 

I could be wrong, but this is the first thing I would look at, you may see something else and you can test other things with the rear end jacked up and the tires off, right?

 

B

[Tungsten]

I can't jack up both sides but if I push it back in neutral will that work?

[180sx]

If you put a jack right under the diff it will jack up both sides at the same time. Hopefully you have a pair of jack stands handy also...

 

Jose

[nunya]

I have to agree with checkign your rear brakes, I see it alot on Neons with rear drum brakes. The stopping surface will seperate from the shoe and lock a rear wheel one way but let it move the other(which way depending on if it's the front or back shoe in the drum). That or possible hardware failure jamming a shoe into the drum when goeing a certian way. Still can apply with rear disc brakes, there is a small drum brake setup in the rotor for the e-brake.

[darkflounder]

+1 vote for it being the rear drum brakes

[Kingman]

Rear brakes...

[edicer2]

i kinda think its more then that but that would be nice if its just the brakes

[Tungsten]

i like that diagnosis but what is with the thumping sound when stepping on pedal?

 

http://www.ranger-forums.com/forum2/f5/f33...ng-reverse.html

 

I THINK I HAVE THE SOLUTION

will check tomorrow morning

Edited July 30, 2009 by Tungsten

[Tungsten]

Problem solved!!

 

Rear right caliper came loose because one bolt broke off...that damn caliper is cursed...

 

All good now!