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Old 01-29-2013, 11:22 AM   #1
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Rear end clunking

The past couple weeks I have noticed when driving my car that when I hit any kind of bumps in the road the rear driver side area clunks around a bit. The passenger side is as solid as its ever been but the driver side definitely has something loose it seems like. Any ideas of what it could be?
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Old 01-29-2013, 11:30 AM   #2
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Yes, it's a trip to the local Ford service department. You should still be under your 36K bumper to bumper warranty.

My dealership provides free coffee and donuts. Anything making a funny noise for me warrants a trip for a free donut and coffee!
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Old 01-29-2013, 12:42 PM   #3
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I just went in for the same issue. For me it was the drivers side stabilizer link bushing. Pretty easy fix if you have the same issue. By the way, the mechanic said that they changed the part number so maybe there was an issue initially.
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Old 01-29-2013, 01:45 PM   #4
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Sounds like warranty work
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Old 01-29-2013, 01:53 PM   #5
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Sounds like warranty work
Should be but unfortunately I'm at 40,000 miles
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Old 01-29-2013, 02:43 PM   #6
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Quote:
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Should be but unfortunately I'm at 40,000 miles
How did that work for you? I'm out of warranty and have heard of a rear end tsb. I have no idea what to do
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Old 01-29-2013, 02:57 PM   #7
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How did that work for you? I'm out of warranty and have heard of a rear end tsb. I have no idea what to do
I didn't even try the dealer. I don't really trust them anyway. I used my trusted mechanic and the total bill was only $50 including labor. I haven't heard about a rear end TSB.
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Old 01-29-2013, 05:41 PM   #8
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Quote:
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I didn't even try the dealer. I don't really trust them anyway. I used my trusted mechanic and the total bill was only $50 including labor. I haven't heard about a rear end TSB.
Someone mentioned it to me on here about the breather valve leaking alot of fluid. Mines been doing it since day one. Padre says its normal for this kind of axle. I say otherwise.
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Old 01-30-2013, 11:11 AM   #9
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Ok so in gonna bring it into the dealership to get it checked out. Only thing is I have a tune on my car. Even though the problem I have has nothing to do with the tune what are the chances they'll find out its tuned? And will they void my engine warranty for any future problems??
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Old 01-30-2013, 12:12 PM   #10
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You could just put back to the stock tune before you take it in.Thats what most
owners do.
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Old 01-30-2013, 12:18 PM   #11
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Just load stock as sugested. There is no reason for them to plug into your computer
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Old 01-30-2013, 12:40 PM   #12
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I also have sounds coming from the engine bay, some vibration everywhere at sloooow speeds, and the rear driver side area has something. it sounds like a piece of rubber slaps somewhere in the engine bay sometimes and the rear makes cringy sounds often. I think the problem in the rear might be the boss exhaust rattling or something.
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Old 01-30-2013, 01:00 PM   #13
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Might be the muffler, I had the same issue with mine, thank goodness I noticed it as I was driving away from the muffler shop. I told them there are some vibrations and they put it back on the rack and noticed the harness bolts were a little too long and vibrating against the car. Hopefully it will be that simple.
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Old 01-30-2013, 07:54 PM   #14
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Quote:
Originally Posted by Mayhem48 View Post
Ok so in gonna bring it into the dealership to get it checked out. Only thing is I have a tune on my car. Even though the problem I have has nothing to do with the tune what are the chances they'll find out its tuned? And will they void my engine warranty for any future problems??
Wrong. They can scan the PCM and SJB. They pitched a fit when I pulled my fuse 47 to reset the learning. No matter what, it's officially burned in like a hard drive.
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Old 01-31-2013, 06:19 AM   #15
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I had a rattle after I removed and cut my exhaust. I used some exhaust wrap and good ol red neck engineering to fix the problem. Unfortunately, it sounds like you may have a more serious issue. Dig around in the engine bay and make sure you don't have a loose belt or anything like that. Also look for anything hanging off your drive shaft, or in the wheel wells. Also, any loose body panel could flap in the wind... Few years back I had a slapping sound, took it to 3 shops before I realized that there was some a small piece of rope tangled behind my rear drivers wheel. When I got up to speed it would slap the wheel well... Look for stuff like that, hopefully it is simple. If not then you need to take it in, vibration in the motor can be signs of verry verry bad things
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Old 01-31-2013, 08:43 PM   #16
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Dealership said the rattling was from my loose/misplaced aftermarket exhaust. Knew it couldn't be that but took it back to my shop that installed them and they confirmed it was tight. Still clunking! Gotta go back...
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Old 02-02-2013, 03:40 AM   #17
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Quote:
Originally Posted by dellito
I just went in for the same issue. For me it was the drivers side stabilizer link bushing. Pretty easy fix if you have the same issue. By the way, the mechanic said that they changed the part number so maybe there was an issue initially.
I had the same issue, the bushings feel tight but there is just enough play to make a clunk.
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