I hear noises
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Tuned
Joined: Oct 2012
Posts: 352
Likes: 0
From: San Antonio, TX
I hear noises
Something in the drivetrain, sounds like running over the rumple grooves that they cut to wake folks up when they go over the line.
It only happens after a little bump in the road. I have heard it a few times in the last few weeks, just a 1 or 2 second bleep, but today it stayed on for 30 seconds or so. I could not duplicate that duration but the short bursts happen on bumps on or off the foot feed.
I have been under it searching, there is some slop in the carrier but u joints feel sound. Nothing loose in the front end. I jacked her up and had no slop in the front wheels, but the RF makes some noise unlocked. Spinning by hand seems to stop when locked.
I am going to drive her to work with the hubs locked and see if it changes things.
For the record I did some search and drive shaft issues were close but I was learning way too much about Aerostars.
It only happens after a little bump in the road. I have heard it a few times in the last few weeks, just a 1 or 2 second bleep, but today it stayed on for 30 seconds or so. I could not duplicate that duration but the short bursts happen on bumps on or off the foot feed.
I have been under it searching, there is some slop in the carrier but u joints feel sound. Nothing loose in the front end. I jacked her up and had no slop in the front wheels, but the RF makes some noise unlocked. Spinning by hand seems to stop when locked.
I am going to drive her to work with the hubs locked and see if it changes things.
For the record I did some search and drive shaft issues were close but I was learning way too much about Aerostars.
More Turbo
Joined: Mar 2011
Posts: 683
Likes: 1
From: cincinnati, oh.
just below all the page #'s where it says "last" near the top right. it says "search this forum" you wont see aerostars and focus's in there.
Laughing Gas
Joined: Nov 2010
Posts: 1,193
Likes: 2
From: D.C. but heart's in TEXAS
If you're talking about lubricating the drive shaft with the Smurf-blue Ford grease...while that's a good thing to do, I don't believe it will make the sound you're describing. That sound is usually more of a THUMP when it's popping into the teeth/grooves. I think Shake-N-Bake hit the nail on the head.
BTW, is this while you're towing your fifth-wheel, or while unloaded (or both)?
BTW, is this while you're towing your fifth-wheel, or while unloaded (or both)?
Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
Honeydew (i think) had a similar issue a few months ago. His was one of the needle bearings, the inner replaceable ones in the front hubs. It would start a vibration when he hit a bump and he'd have to slow way down to get it to stop, then it was fine till another bump.
If you haven't checked/greased those recently, it won't hurt to pull the hub and check and service the needle bearing. Granted it may hurt physically, as the hubs are a PITA to remove in my experience, but it won't hurt the longevity of your truck...
On another note, when I saw the thread title "I hear noises" and saw it was started by TXdoug, I figured it was just normal for you to hear noises.
If you haven't checked/greased those recently, it won't hurt to pull the hub and check and service the needle bearing. Granted it may hurt physically, as the hubs are a PITA to remove in my experience, but it won't hurt the longevity of your truck...
On another note, when I saw the thread title "I hear noises" and saw it was started by TXdoug, I figured it was just normal for you to hear noises.
Cargo Master
Joined: Apr 2010
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Tuned
Joined: Oct 2012
Posts: 352
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From: San Antonio, TX
Thanx for the ideas.
The first time I heard it was while towing the 5 er to the river but now it happens unloaded too.
No vibration in the steering wheel or anything just the noise. I really don't think it is driveshaft.
I need to check into the spring tip deal. There is a shiney spot where 2 leaves are rubbing.
I'll turn down the voices in my head and and see what shakes off.
The first time I heard it was while towing the 5 er to the river but now it happens unloaded too.
No vibration in the steering wheel or anything just the noise. I really don't think it is driveshaft.
I need to check into the spring tip deal. There is a shiney spot where 2 leaves are rubbing.
I'll turn down the voices in my head and and see what shakes off.
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Posting Guru
Joined: Mar 2011
Posts: 1,037
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From: Florida
Yep, mine was needle bearings. Get under there and with both hands push straight up and down on the front axle u-joints. The passenger side on my truck had significantly more play in the hub than driver's side. This was the side that was bad, needle bearing in the hub was seized up.
Part number: Ford-C6TZ-3123A or NAPA-B2110
Part number: Ford-C6TZ-3123A or NAPA-B2110
Thread Starter
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Tuned
Joined: Oct 2012
Posts: 352
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From: San Antonio, TX
Winner winner chicken dinner. Thanx Honeydew.
I left the house this morning with hubs locked (manual), within a mile she let out 3 good growls. I was looking for a place to park, trailer and all. Stopped and unlocked the hubs, backed up a few feet and went on to work. Not another peep out of her. After we got back home I crawled under and gave them U joints a good shake and sure enough the right side has more slop.
Guess I'll take off tomorrow and deal with it. I need to find the cheat sheet on this repair and decide if I need to let someone else do it. My experience with needle bearings is allot like putting worms back in the can o worms.
This may be one of those combo deals. The spring tip dealys are toast. I imagine that hosing them down with penestratening lubricant may have shut them up for a couple days.
I left the house this morning with hubs locked (manual), within a mile she let out 3 good growls. I was looking for a place to park, trailer and all. Stopped and unlocked the hubs, backed up a few feet and went on to work. Not another peep out of her. After we got back home I crawled under and gave them U joints a good shake and sure enough the right side has more slop.
Guess I'll take off tomorrow and deal with it. I need to find the cheat sheet on this repair and decide if I need to let someone else do it. My experience with needle bearings is allot like putting worms back in the can o worms.
This may be one of those combo deals. The spring tip dealys are toast. I imagine that hosing them down with penestratening lubricant may have shut them up for a couple days.
Posting Guru
Joined: Mar 2011
Posts: 1,037
Likes: 0
From: Florida
Good to hear you likely ID'd the problem. Guzzle's hub how-to should help:
Welcome to guzzle's 4x4 Needle Bearing Maintenance Web Page
I replaced the whole hub not realizing at the time that the bearings were available separately.
Here is the hub with the bad bearing:
Here is the bearing knocked out:
Welcome to guzzle's 4x4 Needle Bearing Maintenance Web Page
I replaced the whole hub not realizing at the time that the bearings were available separately.
Here is the hub with the bad bearing:
Here is the bearing knocked out:
Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
Yep, mine was needle bearings. Get under there and with both hands push straight up and down on the front axle u-joints. The passenger side on my truck had significantly more play in the hub than driver's side. This was the side that was bad, needle bearing in the hub was seized up.
Part number: Ford-C6TZ-3123A or NAPA-B2110
Part number: Ford-C6TZ-3123A or NAPA-B2110
Doug, it's not that bad, just understand that it's going to be "welded" to the knuckle and gone need some persuasion. I used an air chisel on the studs to punch them out on Gus, in combination with using the rotor as a slide hammer. I replaced the rotor though.