Rear leafs finished, brakes dead, help please!

Alright, I bought my 2001 Jeep cherokee sport about 5 months ago.
Since then I have driven it 11,000 miles. For the last 2 months I have been hauling about 800lbs of wire everyday from work to storage (about 1.5 miles away). I have equaled out the weight so most of it was in the back seat, front passenger seat and a small amount in the trunk.
Now, I went in for servicing and they have told me that my leaf suspension in the rear is fried now, even-though it was brand new 5 months ago. Is that possible from that weight.
Also, they said that my front brakes are finished as well. They said the discs (5 months old) are all worn down and so are the pads. Could this be due to the weight, my mileage driven over the past few months, or just my driving style?

Any help would be great!
Thanks
Ben

All of the above is possible. Im not sure what kind of help you want. If you dont believe the shop, check it out for yourself. Look at your rear springs, do they look shot? Look at your brakes, are they worn?

There is a possibility that the previous owner never changed the brakes. That is something that you may want to look into. There may not have been much left so with the excess weight may have used up the rest of the pads and I would only change the rotors if the car is wobbling or pulsating when you brake.

As far as the leaf springs, what I would do is drive it around without anything in it and check the ride. It's a jeep and it should be a little rough, but not bouncy. Also see how it's sitting. Make sure it looks level. If everything looks ok then load it up and check how it's sitting. If it was me and it the ride was still good, I would just leave it. No need to spend money unless there is something wrong. Now if there was a crack or fracture in the leafs then thats a different story.

They shop may be trying to get some money out of you. Take it somewhere else for a second opinion if your worried.

Dude, seriously. Follow some of the advice in your previous thread about loading 400 pounds into your Cherokee:

http://www.automotiveforums.com/vbulletin/showthread.php?t=579129

I'd vote for the trailer.
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Now as for the brakes and springs. You said your springs were new 6 months ago? How so, were they rearced? Entirely new? If you've been flattening them with the heavy load every day, that will in time destroy their curve. How were they new?

Brakes. Do you know how much wear was on them when you got the vehicle? In any case, unless the pads are completely worn down to the metal in the front, your rotors are probably not damaged. Take the left front wheel off (probably has the most wear on the brakes) and examine the brake pads. It's a simple replacement to put on a new set in the front if they're worn. If your rotors have grooves worn into them, then the brake man is correct and you'll need new ones. But if they're smooth, you're probably ok in that department.

Like they both said it is possible that hauling that much cargo has worn them out even with trying to even the load out. For the rear leafs look at them with nothing in the jeep just the body weight if they have an arch to them then they are still good if they seem flat then need to be replaced. As far as the brakes go like fred said pull off the wheel and check the pads if you have less than 3/8" left on the pads then replace them and probably wouldn't hurt to pull the rotors and have the rotors turned at the same time. Let us know how everything looks and we'll be able to help you further.