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Grinding Noise in Rear End

11K views 4 replies 4 participants last post by  tomw  
#1 ·
Hey guys! It's been a while since I posted on here, but I'm coming to you guys again with another issue that I have on a differed Ford Escape this time. However, I just wanted to start with an update on my last Escape. My beloved 2004 Ford Escape sadly met its end after I hit a deer with it. The damage was not that bad personally, but the insurance company ended up considering it a total loss, so I was on the market for a new one, and I ended up picking up a 2007 Ford Escape that I've been having some issues with lately, but that I've been able to get resolved.

So, to the issue at hand. Last week, I was on my way to work and I start to hear an awfully loud whining sound come from the right rear of my Escape. I immediately pulled over, and after waiting a moment, the noise went away. The next morning, I went down to my mechanic to see what was causing the issue, as I also developed a slight grinding noise. They told me it was the backing plates on my Escape that were causing the issue. I finally get them off and I'm still hearing the same noise, which my mechanic said would go away after a few days or so because its rut just working its way out. However, I was on my way home tonight, and I heard a whine start to develop again but that would go away once I go up to speed.

I'm not sure what's going on now, but this is something that I want to get settled fast before it leads into bigger problems. Any idea what could be causing this issue? Any help is appreciated!
 
#2 ·
If I heard and/or felt a grinding noise with wheel speed, I would lift the tires off of the ground and isolate the wheel of origin. From there further investigation to brakes, bearings, axles, differentials can proceed. If each tires spins freely without fault I would have a 2nd person work the brake pedal lightly. Of course, 1 should practice caution and chock the tires that are on the ground, and so forth.
 
#5 ·
I remember watching a youtube in which the author changed/checked the lube in his rear differential(I think). Apparently it was/is considered 'lubed for life', as he had a big pile of difficulty checking, draining and refilling.
I don't own one, but thought the design/arrangement looked as if no designer ever had to work on it. It was the most obnoxious design...
I would seriously think about at least checking the level if I owned one, though not enthused about the task. At least then if it fails, you know you gave it every thing it should have needed.
tom