Ford F-150 (2004-2008) :: Metal Noise Inside The Rear Differential
May 17, 2016
Alright so about a few weeks ago I started hearing what sounded like it was time for new brake pads. But the other day I turned the corner and my neighbor came up to me and said he heard my truck making a metal on metal type noise. So I said okay fml, took it to a local mechanic.
Called me today and said the brakes are fine but it's rear differential, he said they put the truck on the lift and used the stethoscope and heard a metal noise inside the rear differential and said that the fluid in there was very metallic.
I bought this truck about 7 months ago from the dealership. It has a total 90,000 miles on it. What does it look like this could cost me worst comes to worst?
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I have intermittent metal on metal grinding noise. Seems to happen when I am at highway speed. Seems to go away when I put it on 4 wheel drive or slow way down. On one occasion though, the grinding noise did not stop even after putting on 4 wheel drive - had to stop completely before it went away (did not come back after I drove off again). Diagnostics so far....
Unhooked the vacuum lines on passenger side actuator and hooked up vacuum gauge. Vacuum held at 20 psi and drops and raises slightly as the truck is being revved. Takes about 10 seconds for vacuum to drop to zero once truck is stopped. Putting it on 4 wheel drive drops it to zero immediately. Exact same scenario on the passenger side.
This leads me to believe my IWE solenoid is ok. So also my check valves. Next opportunity I get, I will raise one wheel, remove the vacuum line on that wheel and apply vacuum with my pump. Want to see if it will turn my half shaft.
2004 F150 FX4 ....
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I'm new here to the F-150's forum although I've owned a few since 2001. I bought this F-150 '05 5.4L Lariat. Really nice truck. But when I purchased it, it had this weird noise inside the cabin. I thought because it had a camper on it that some tranny noise was coming up thru the camper and the rear cab. After taking camper off, the noise was still there. From everything I've read online, it could be rear pinion seal, differential bearing, tranny, front hubs, etc. I have left a video. Pay close attention to the little whine. Kinda hard to hear if your not listening for it.
Note- when i drive it is most definitely coming from the middle to rear of the truck. But I'm not ruling out anything. I have looked underneath the truck and the differential is dry and the driveshaft area near diff is dry. No leaks. I have not checked fluid in diff. Is there an easy way for these trucks? I have read and heard about adding an additive? The noise starts at about 10-15 mph all the way up to 80. I've never taken it past 80 but I'm sure it's still there.
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The rear axle in my dads 1998 ford ranger has been vibrating for quite a while so I pulled the cover today and found that the fluid was full of metal shavings, it was glittering. I also found this metal chunk in the differential so my mechanical experience tells me this is not a good thing. I am taking it apart tomorrow any tips or do's or don't? Also, what this metal chunk is and what that knurled up end is??
Door tag told me it was a 7.5 open 4:10 axle.
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I got a new to me truck. It's a 2004 F150 Lariat 4x4 with the 5.4L. It's got a whine that I believe is coming from the rear differential. I'm going to change the fluid. My axle code is 26 which I believe is 3.73 non-limited slip. My owners manual says to use 75w-90 but I've seen a lot of posts on here that say to use 75w-140. Which is right or better? Also, is my rear differential the 9.75"?
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I have a 2007 ford f150 FX2 5.4 with 3.55 limited slip rear end. It has 68,000 miles and would like to change the rear differential oil. I have read and I know the oil it requires is 75w-140 plus the friction modifier. I would like to use mobile one. But was reading and the mobile one sites states that is already has friction modifiers. Is that ok to use on my truck? Using mobile one and not adding the extra modifiers?
Also some other brands say they have friction modifiers as well. Should I use mobile one and add extra friction modifier or just go with what it has already?
Mobil 1 Synthetic Gear Lube 75W-140 LS contains special friction modifiers designed for limited slip-type differentials. In most applications, the addition of special LS (limited slip) additives is not required. For axles requiring the highest level of limited-slip performance, OEM specific LS additives can be added to this fluid.
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I have a 2006 fx4. And I am about it change the rear differential fluid. i want to know if i have a a limited slip differential.
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I am getting a little frustrated with a leak on my rear differential. The leak is on the front of differential rear-end just behind the four bolts you take off to remove the driveshaft. When you take the driveshaft out, there is a single bolt and the seal behind that is leaking. Here is my dilemma, I called my local ford dealership to find out what the torque rating on that bolt is so when I replace the seal I don't over-tighten. He told me there is no torque rating on it because I have to tighten, measure, tighten, measure the bolt. I was lost, I didn't have a clue what he was talking about.
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My father's 1997 F150 with the 4.6 two wheel drive, has me stumped again. I have a lot of mechanic knowledge but this one has got me wondering whats going on. Here is the run down. When you are driving down the road, it rides just fine and makes no noises from 0-20 MPH, after about 25 to 35 mph it makes like a metal on metal noise that is coming from the rear, and forces the truck to slow down, when you try to accelerate through this problem it has a bad bang and it wont allow you to speed up anymore, it does not seem like a brake issue (but I could be wrong) since it does not actually pull to one side or the other.
It seems like an equal force trying to stop the truck. I have heard rear ends that were going out and they make clunk noises or whirring noises etc, but its still some what driveable. I have checked the rear end oil and it does have oil in it, and its probably about an inch from the full level (but that shouldnt cause this issue im sure). My father wants a definite answer before we start tearing this thing apart to try and fix it. Since its mostly used to take trash off, and also get the kids down the dirt road to the bus stop.
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The rear doors of my supervene have an unfortunate rattle. There is a sheet in the inside of the doors (between the skins) which seems to be just loose enough to rattle when I turn my stereo up (dual h/u with Polk 5x7).
Now I tried some silicone sealant in the bases to silence the rattle but with the poor access it just didn't work. I do have dynamat around the speakers and its not your typical speaker rattle as you can here it when you close the doors as well.
I'd almost like to try shooting some great stuff in there but I'm worried that it wouldn't worm so hot kn the best case and would screw up the latching system in the worst case.
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I've been noticing some (a lot) of oil on the inside of my rear tire. I went ahead and drained my diff fluid to check if the was any left and there was but I replaced it and cleaned the tire (hoping I just drove through something) and it's back again already. I don't know much about axles, what seal usually holds stuff back in there? What parts should I expect to replace other than the seal and any brake components effected? I noticed a creak/crunch coming from that area but seems to crunch with suspension articulation so not sure if it's related but I have the feeling it is.
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When driving in my parking garage, I can hear a slight metal on metal noise. An extreme example would be sharpening a knife on a sharpener, its not as loud or predominate.
-I've checked the lugs, they are secure.
Car has springs and spacers.
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Well i picked up a 96 4x4 with the 4.0 a few weeks ago and been fixing stuff weekly that i find wrong. One thing i noticed was the rear diff was leaky but couldn't get the fill plug out so left if for now. Last night my wife was on interstate and it just started making a loud noise so she pulls over calls me. I get there and drive it and it makes a woowoowoo noise and it got louder as speed increased. She was 3 miles from the exit so i drove it about 15-20 to get it off interstate than another 2 miles to her sisters. We let it sit for a few hours and found a flatbed to haul it home, and when we finally got home i drove it off the flat bed and now it was making a loud clunky noise. Parked it in drive till today. Cracked open the rear and no fluid came out.
Inspecting all the gears looked good no metal in bottom so i went and got a new rear cover and 3 qt. of fluid. Put it back together and the woowoowoo was still there but seemed to slowly go away as i drove it around the block. So what else could be going on here or do i need to drive it and warm up the fluid so it circulates? I also noticed a sheeee sound like metal on metal when braking but i changed all 4 rotors and both pads last week but i noticed the brakes in the rear that look like drum brakes was bare but i assume that is only for the ebrake so didn't bother changing them yet. Could those be hitting the inside of the rotor and making the metal to metal noise?
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Some of you may have seen my recent post about raising the X. Its about 5" higher in the rear. Prior to raising the X, I had a vibration at around 65 to 70 mph. It felt like a tire was out of balance. Go a steady slower speed or a steady faster speed and it would go away.
Since raising the X, the vibration is gone, which I thought was cool. But now I have a "grind" type noise coming from the rear. I have to do all the testing on the freeway. There are no issues, no noises at regular street speeds.
On the freeway, when accelerating fairly hard up a hill from say 65 to 80, I can hear sort of a rumbly, grindy noise from the rear. Its not really loud but I can hear and feel it throughout the cab. If I coast at around 70-75 mph (just keep the speed the same) on flat ground, I can hear it come and go when the X is truly coasting for a few seconds. If I get up to say 85 and let off the gas, I can hear it as I decelerate until I get down to around 65.
This all only happens between say 75 and 90. I get no noise below 65-ish.
I had the drive shaft out over the weekend. The u-joints had no play and were free moving. I did feel the smallest play in the slip yoke, so I gave it a good greasing. That didn't change anything.
I'm guessing the problem is in the differential somewhere. I have not pulled the cover off yet to check the fluid.
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Hearing a slight clunk noise inside the back of thier gen 2? I've taken apart all the paneling used foam tape to secure things and took apart the spare tire area etc and the clunk persists. It seems to vary intensity every time I close the rear hatch.
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My 2004 Ford F150 only has 20,000 miles on it but makes a shudder from stop turning left or right. I asked the dealership about it and was told that it was likely the clutch pack in the rear differential sticking. I was told I could try changing out the fluid while also adding a few ounces of some special lubricant. But, they said it wasn't a guaranteed fix. Apparently, they have tried this fluid change and drive the vehicle in figure 8's trying to get the lubricant between the plates. They also said that this was a known problem to Ford. Lastly, I was told it wouldn't hurt anything to keep driving it. I checked some other online forums for Ford F150 owners and this does seem to be a recurring problem. I'm thinking about having the clutch pack replaced but obviously hate to spend the money if I don't have to.
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It may sound silly, but can I lift my 04 explorer by the rear differential to change brakes etc? I have NOT had a Independant suspension vehicle prior to this and dont want to mess up anything. If I cannot use that point to lift it, where is a point to lift it using a floor jack so I can service the rear of the vehicle after I place it on jack stands?
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Working on a 2004 Ford F150 4.6L. No 4x4. Replaced both IWE front actuators. (Neither one would hold vacuum). Still no 4x4. I realize I have vacuum issues and may be excessive wear on gear teeth of the front wheel bearings. The issue that really bothers me is the front differential. Having placed the truck on jack stands and running in 4x4 should both front wheels be turning ? The right front wheel turns and the left front does not move. Is this normal or should I pull the front differential cover off ?
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My front differential is leaking. Are there any special Ford tools required to replace the seal? Or is it simply bolt (and fluid) removal, seal replacement, fill with new fluid. Any tips or heads-up on this?
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Have a slight clunk noise inside the back of their gen 2? I've taken apart all the paneling used foam tape to secure things and took apart the spare tire area etc and the clunk persists. It seems to vary intensity every time I close the rear hatch. I now suspect this thingy I found mounted in the center of the rear hatch under the plastic...
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I just came back from a long trip and during the 400 miles drive I started to hear noise coming from my differential - kind of like a constant high gear loud noise. I will hear this noise when I start to accelerate and it will only gets louder and louder as I go faster and faster. I had a pinion seal leaked fixed last week and I checked the fluid and it is full.
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