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Lubricating Sealed Hub Bearing #4807372
07/07/18 06:55 AM
07/07/18 06:55 AM
Joined: Oct 2008
Posts: 1,383
MD
ET16 Offline OP
ET16  Offline OP

Joined: Oct 2008
Posts: 1,383
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?

Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807378
07/07/18 07:01 AM
07/07/18 07:01 AM
Joined: Nov 2006
Posts: 21,277
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,277
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.
Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807458
07/07/18 08:58 AM
07/07/18 08:58 AM
Joined: Sep 2005
Posts: 6,194
MIchigan
Warstud Offline
Warstud  Offline

Joined: Sep 2005
Posts: 6,194
MIchigan
Remove the wheel sensor and pump some grease into the hole.

Re: Lubricating Sealed Hub Bearing [Re: Warstud] #4807468
07/07/18 09:05 AM
07/07/18 09:05 AM
Joined: Feb 2009
Posts: 1,758
wv
krismoriah72 Offline
krismoriah72  Offline

Joined: Feb 2009
Posts: 1,758
wv

Re: Lubricating Sealed Hub Bearing [Re: krismoriah72] #4807472
07/07/18 09:09 AM
07/07/18 09:09 AM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
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.

Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807476
07/07/18 09:12 AM
07/07/18 09:12 AM
Joined: Sep 2005
Posts: 6,194
MIchigan
Warstud Offline
Warstud  Offline

Joined: Sep 2005
Posts: 6,194
MIchigan

Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807478
07/07/18 09:13 AM
07/07/18 09:13 AM
Joined: May 2010
Posts: 9,867
out there
spasm3 Offline
spasm3  Offline

Joined: May 2010
Posts: 9,867
out there
Man for the labor time and disassembly, its not worth a used part. Go new.


13 elantra 75k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 9500 miles m1 0w30
Re: Lubricating Sealed Hub Bearing [Re: Warstud] #4807513
07/07/18 09:52 AM
07/07/18 09:52 AM
Joined: May 2010
Posts: 9,867
out there
spasm3 Offline
spasm3  Offline

Joined: May 2010
Posts: 9,867
out there
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 75k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 9500 miles m1 0w30
Re: Lubricating Sealed Hub Bearing [Re: spasm3] #4807625
07/07/18 12:01 PM
07/07/18 12:01 PM
Joined: Oct 2008
Posts: 1,383
MD
ET16 Offline OP
ET16  Offline OP

Joined: Oct 2008
Posts: 1,383
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.

Last edited by ET16; 07/07/18 12:01 PM.
Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807650
07/07/18 12:33 PM
07/07/18 12:33 PM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
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.

Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807659
07/07/18 12:42 PM
07/07/18 12:42 PM
Joined: Sep 2005
Posts: 6,194
MIchigan
Warstud Offline
Warstud  Offline

Joined: Sep 2005
Posts: 6,194
MIchigan
I need to do that on my own Truck.

Re: Lubricating Sealed Hub Bearing [Re: Warstud] #4807675
07/07/18 01:00 PM
07/07/18 01:00 PM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
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.

Re: Lubricating Sealed Hub Bearing [Re: ET16] #4807726
07/07/18 02:12 PM
07/07/18 02:12 PM
Joined: Dec 2014
Posts: 522
MB - Manitoba
FastLane Offline
FastLane  Offline

Joined: Dec 2014
Posts: 522
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 Mystic 25W40
Re: Lubricating Sealed Hub Bearing [Re: Kira] #4808098
07/08/18 05:24 AM
07/08/18 05:24 AM
Joined: Nov 2006
Posts: 21,277
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,277
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.
Re: Lubricating Sealed Hub Bearing [Re: ET16] #4808643
07/08/18 08:22 PM
07/08/18 08:22 PM
Joined: May 2010
Posts: 9,867
out there
spasm3 Offline
spasm3  Offline

Joined: May 2010
Posts: 9,867
out there
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.

Last edited by spasm3; 07/08/18 08:22 PM.

13 elantra 75k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 9500 miles m1 0w30
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