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#4807372 - 07/07/18 06:55 AM Lubricating Sealed Hub Bearing
ET16 Offline


Registered: 10/28/08
Posts: 1285
Loc: MD
A friend of mine has a Mercury Cougar with a bad front hub bearing. To save time and money we are going to get a used hub. I was wondering about lubricating the bearing. Would there be any benefit to putting some gear oil around the lip and let it seep into the race. I know some greases are not compatible with each other. Is it the same thing here?

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#4807378 - 07/07/18 07:01 AM Re: Lubricating Sealed Hub Bearing [Re: ET16]
Trav Offline


Registered: 11/20/06
Posts: 19314
Loc: MA, Mittelfranken.de
Forget it, don't try to lubricate it, it was not meant to use oil as a lube.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4807458 - 07/07/18 08:58 AM Re: Lubricating Sealed Hub Bearing [Re: ET16]
Warstud Offline


Registered: 09/02/05
Posts: 5495
Loc: MIchigan
Remove the wheel sensor and pump some grease into the hole.

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#4807468 - 07/07/18 09:05 AM Re: Lubricating Sealed Hub Bearing [Re: Warstud]
krismoriah72 Offline


Registered: 02/16/09
Posts: 1577
Loc: wv

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#4807472 - 07/07/18 09:09 AM Re: Lubricating Sealed Hub Bearing [Re: krismoriah72]
Kira Offline


Registered: 08/19/10
Posts: 5436
Loc: Champlain/Hudson Valley
Get the youngest junkyard bearing you can. No young ones? Buy a new one.

Consider the time to do it twice. Consider the immorality if you're dumping the car.

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#4807476 - 07/07/18 09:12 AM Re: Lubricating Sealed Hub Bearing [Re: ET16]
Warstud Offline


Registered: 09/02/05
Posts: 5495
Loc: MIchigan

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#4807478 - 07/07/18 09:13 AM Re: Lubricating Sealed Hub Bearing [Re: ET16]
spasm3 Offline


Registered: 05/30/10
Posts: 8777
Loc: North Carolina
Man for the labor time and disassembly, its not worth a used part. Go new.
_________________________
13 elantra 68k 5w30 QSUD
03 chevy avalanche76k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 3900 miles m1 0w20/0w40 mix

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#4807513 - 07/07/18 09:52 AM Re: Lubricating Sealed Hub Bearing [Re: Warstud]
spasm3 Offline


Registered: 05/30/10
Posts: 8777
Loc: North Carolina
Originally Posted By: Warstud



Now that is interesting , and if the bearings are not already shot, could be worth a try. But only if you don't have to take the hub off the vehicle. If I take the hub off, its getting a new timken or skf.

Unless i'm wrong, a lot of times the ABS sensor bolts snap off in the hub and you will need a new one anyway.
_________________________
13 elantra 68k 5w30 QSUD
03 chevy avalanche76k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 3900 miles m1 0w20/0w40 mix

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#4807625 - 07/07/18 12:01 PM Re: Lubricating Sealed Hub Bearing [Re: spasm3]
ET16 Offline


Registered: 10/28/08
Posts: 1285
Loc: MD
Originally Posted By: spasm3
Man for the labor time and disassembly, its not worth a used part. Go new.


From what I read, there is a lot of labor with going new; the spindle has to come off, and the old bearing has to be pressed out. Many of the new bearings don't last long, too.


Edited by ET16 (07/07/18 12:01 PM)

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#4807650 - 07/07/18 12:33 PM Re: Lubricating Sealed Hub Bearing [Re: ET16]
Kira Offline


Registered: 08/19/10
Posts: 5436
Loc: Champlain/Hudson Valley
Thanks for the video warstud. A helper turning the hub WHILE you added the grease might make the greasing more even.

Or it's no big deal.

I could still hear it revolve even after your second round of grease. It'd be so cool if it did go another 100K.

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#4807659 - 07/07/18 12:42 PM Re: Lubricating Sealed Hub Bearing [Re: ET16]
Warstud Offline


Registered: 09/02/05
Posts: 5495
Loc: MIchigan
I need to do that on my own Truck.

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#4807675 - 07/07/18 01:00 PM Re: Lubricating Sealed Hub Bearing [Re: Warstud]
Kira Offline


Registered: 08/19/10
Posts: 5436
Loc: Champlain/Hudson Valley
Then definitely tell us how it works out. I gotta say the idea is appealing (greasing things which should be greased).

BTW: Why do they make these things ungreaseable? I think that's inherently dishonest.

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#4807726 - 07/07/18 02:12 PM Re: Lubricating Sealed Hub Bearing [Re: ET16]
FastLane Offline


Registered: 12/10/14
Posts: 458
Loc: MB - Manitoba
Just buy a new one. Cheaper probably than the junk yard. I put two new Timken hubs on my Mustang yesterday. They were so cheap on amazon.
_________________________
2010 Silverado 4.8 4x4 Mobil 1 5W30 ACDelco PF48E
2002 Mustang GT 4.6 Mobil 1 5W30 MC FL-820S
1966 Cessna 150 Phillips 20W50
2013 Mercury 30hp Merc 10W30

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#4808098 - 07/08/18 05:24 AM Re: Lubricating Sealed Hub Bearing [Re: Kira]
Trav Offline


Registered: 11/20/06
Posts: 19314
Loc: MA, Mittelfranken.de
Originally Posted By: Kira
Then definitely tell us how it works out. I gotta say the idea is appealing (greasing things which should be greased).

BTW: Why do they make these things ungreaseable? I think that's inherently dishonest.


I think its more likely they are worried about sealing issues and user error shortening the life of a part they warranty.
Just from my own experience I don't grease things like this or puncture boots with needles, it could easily result in a redo on my dime.

I guess it depends on which end of the business you look at things when deciding what to do, there is what you can do vs what you should do to fix it right the first time.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4808643 - 07/08/18 08:22 PM Re: Lubricating Sealed Hub Bearing [Re: ET16]
spasm3 Offline


Registered: 05/30/10
Posts: 8777
Loc: North Carolina
I find the adding grease through the sensor port interesting. How would you pick a grease? If its incompatible, won't you kill the bearing for sure? No way to know what the oem grease is.


Edited by spasm3 (07/08/18 08:22 PM)
_________________________
13 elantra 68k 5w30 QSUD
03 chevy avalanche76k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 3900 miles m1 0w20/0w40 mix

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