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Rear bearing noise or tire noise? #4711598
03/30/18 02:14 PM
03/30/18 02:14 PM
Joined: May 2005
Posts: 816
Ozark Mountains
callbay Offline OP
callbay  Offline OP
Joined: May 2005
Posts: 816
Ozark Mountains
How can one tell the difference?

It's a 2011 Ford Fusion front wheel drive with 101,000 miles on it. I have checked the tires visually and no damage.

The noise is on smooth roads and can't be heard on rough ones.

Thanks!

Re: Rear bearing noise or tire noise? [Re: callbay] #4711604
03/30/18 02:17 PM
03/30/18 02:17 PM
Joined: Nov 2016
Posts: 1,278
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,278
WI
Swap the front/rear tires maybe...if the front ones seem quiet.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Rear bearing noise or tire noise? [Re: callbay] #4711632
03/30/18 03:02 PM
03/30/18 03:02 PM
Joined: Mar 2013
Posts: 4,754
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,754
The Midwest
Cross rotate them. The edge of the tread is sharper on one side. When you X rotate the tires, you flip the sharp edges around and it usually hushes down the tires for awhile. I had an older neighbor when I lived in the city which I maintained his Chevy Colorado. He complained of tire noise, I cross rotated them and he was happy as it did the trick.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: Rear bearing noise or tire noise? [Re: callbay] #4711648
03/30/18 03:24 PM
03/30/18 03:24 PM
Joined: Jan 2013
Posts: 1,831
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 1,831
Texas
Almost every one runs radials now a days . Years ago I heard x rotating the radials would cause the tread to seperate .. Truth or myth ?

Thanks , :-)


Wyr
God bless
Re: Rear bearing noise or tire noise? [Re: callbay] #4711658
03/30/18 03:34 PM
03/30/18 03:34 PM
Joined: Jan 2013
Posts: 1,831
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 1,831
Texas
Almost every one runs radials now a days . Years ago I heard x rotating the radials would cause the tread to seperate .. Truth or myth ?

Thanks , :-)


Wyr
God bless
Re: Rear bearing noise or tire noise? [Re: callbay] #4711746
03/30/18 05:20 PM
03/30/18 05:20 PM
Joined: Oct 2005
Posts: 11,363
PA
d00df00d Offline
d00df00d  Offline
Joined: Oct 2005
Posts: 11,363
PA
Originally Posted By: callbay
How can one tell the difference?

It's a 2011 Ford Fusion front wheel drive with 101,000 miles on it. I have checked the tires visually and no damage.

The noise is on smooth roads and can't be heard on rough ones.

Thanks!

If it's a wheel bearing noise, it'll typically get louder or quieter in a turn (unless both bearings on the same axle are comparably worn).

E.g., if a wheel bearing on the right is worn, it'll make more noise in left turns (when there's more load on the right side) and less noise in right turns (when there's less load on the right side). And vice versa.


2011 Mazda RX-8 R3
Mobil Super 5w-20
Re: Rear bearing noise or tire noise? [Re: callbay] #4711764
03/30/18 05:54 PM
03/30/18 05:54 PM
Joined: May 2012
Posts: 1,333
Winchester, Indiana
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,333
Winchester, Indiana
on my 2011 Fusion FWD, it was neither of these issues. It was the fact that the brake pads had not worn equally, and the inside pad had ground grooves into the rotor, but you couldn't hear any grinding. On the highway at about 75-80, it would show up as a hum/ringing noise like a bad rear wheel bearing. Replaced pads and rotors and never heard the noise again.

Re: Rear bearing noise or tire noise? [Re: callbay] #4711771
03/30/18 06:12 PM
03/30/18 06:12 PM
Joined: Nov 2006
Posts: 19,887
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 19,887
MA, Mittelfranken.de
If you still cant tell after rotating tires remove the rear wheels and lift the calipers off then rotate the hub by had, feel for any roughness and listen for noises. If either replace the hub unit, if not check for brake noise with the caliper in place and check the backing plate for contact.

This is from SKF and less than half the price of OE, do both on the same axle.

https://www.rockauto.com/en/moreinfo.php?pk=1842498&cc=3015243&jsn=493&jsn=493


ASE L1, Master. Deutsch Meisterbrief.
Re: Rear bearing noise or tire noise? [Re: callbay] #4711798
03/30/18 07:05 PM
03/30/18 07:05 PM
Joined: Sep 2007
Posts: 313
northern NY
Driz Offline
Driz  Offline
Joined: Sep 2007
Posts: 313
northern NY
Run down the road over 40 mph. Do the drunken swerve back and forth repeatedly. If itís a wheel bearing it will groan growl or whatever a little when you sidebload the bearing like that. Not very scientific but it has always worked for me.

Re: Rear bearing noise or tire noise? [Re: Driz] #4711913
03/30/18 09:42 PM
03/30/18 09:42 PM
Joined: Jul 2017
Posts: 105
Canada
mcwilly Offline
mcwilly  Offline
Joined: Jul 2017
Posts: 105
Canada
Originally Posted By: Driz
Run down the road over 40 mph. Do the drunken swerve back and forth repeatedly. If itís a wheel bearing it will groan growl or whatever a little when you sidebload the bearing like that. Not very scientific but it has always worked for me.


Yes that is how my front bearing was, going down a winding road it was off and on.


2010 Subaru Sti 72,000km
2001 Toyota Echo 240,000km
Re: Rear bearing noise or tire noise? [Re: callbay] #4711950
03/30/18 10:49 PM
03/30/18 10:49 PM
Joined: Sep 2005
Posts: 5,663
MIchigan
Warstud Offline
Warstud  Offline
Joined: Sep 2005
Posts: 5,663
MIchigan
Originally Posted By: callbay
The noise is on smooth roads and can't be heard on rough ones


Sounds like a tire issue.

Re: Rear bearing noise or tire noise? [Re: callbay] #4715660
04/03/18 11:21 PM
04/03/18 11:21 PM
Joined: Feb 2008
Posts: 655
texas
joel95ex Offline
joel95ex  Offline
Joined: Feb 2008
Posts: 655
texas
i never had rear bearings go bad but i had a civic with bad front bearings and the noise sounded like an airplane propeller --seriously-like the movie airplane and it kept getting louder--plus there was a bunch of dust similar to brake dust. like other said, jack it up and spin the wheel.


95 Accord 4cyl Vtec. 500,000+miles. RIP 😢
2013 sonata 117k miles
PP, QSUD,10w-30 fram ultra filter
07 civic SI 132k miles PP, M1 10w-30 fram ultra

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