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over heating bearings


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41 replies to this topic

#1 edalexandr

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Posted 16 August 2003 - 09:42 AM

hello i just replace the front bearings in my brat the driver side last month and the right side 3 days ago and now i see that the bearings are getting hot is this right i put in new seals and good grease how can i fix this problem ?? help me:boohoo:

#2 edrach

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Posted 16 August 2003 - 10:27 AM

What kind of grease and did you really squeeze the grease into the bearings? Also, how hot is hot?

#3 edalexandr

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Posted 16 August 2003 - 11:00 AM

yeah i put in alot of grease and it gets hot you can touch it for about 3 seconds is this to hot?:confused:

#4 edalexandr

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Posted 16 August 2003 - 01:21 PM

bump:banghead:

#5 RedLance

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Posted 16 August 2003 - 01:28 PM

What kind of grease did you use? Was it actual wheel bearing grease, or just plain old ordinary grease grease? When you packed the bearings, did you make sure that grease came out from around all the balls? You did pack the bearings, right? Not just dump some grease into where they go, and drop them in? Or just coat the outside of the balls? It takes me 8-10 minutes to properly pack a bearing, and I've done it quite a few times...

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#6 edalexandr

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Posted 16 August 2003 - 02:36 PM

well i just use grease grease ??

#7 edalexandr

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Posted 16 August 2003 - 04:24 PM

sould i use a different type of grease?:rolleyes:

#8 RedLance

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Posted 16 August 2003 - 06:53 PM

You should be using a grease that says Disc Brake Wheel Bearing grease on it. It should come in the same kind of can that mixed nuts come in. Or a plastic tub. The last grease I got was red...most are dark grey, I think. Anyway, you'll be fine as long as the can/tub specifically says disc brakes and wheel bearing on it.

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The heat from disc breaks will make normal grease break down very rapidly. When that happenes, it becomes thin enough to leak out past the seals...

#9 edalexandr

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Posted 16 August 2003 - 07:16 PM

thanks i will check the can;)

#10 TheSubaruJunkie

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Posted 16 August 2003 - 07:29 PM

Hrm.... things will get hot. Remember, you have a disc right there that is generating alot of heat, so all the heat you feel might not be all from the bearings.

Also, pack those bearings good. Take a fistful of grease, and start slapping the bearings into your palm full of grease. Make sure you get as much grease into those suckers as possible.

-Brian

#11 edalexandr

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Posted 16 August 2003 - 07:39 PM

yeah am going to when i did try to touch it the disk was not hot as bad as right in the center right where the bearings are even the calpiers was not very hot just the hub part:banghead:

#12 TheSubaruJunkie

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Posted 16 August 2003 - 07:45 PM

well, if you remove the bearings, you need to install new ones again. I would recommend dissasembling it, remove the rotor and brake stuff, remove the CV, remove the seals and keep the bearings in place. Examine the grease and see if its already broken down. Not sure if it would be wise to clean the grease out, or put new grease in, but if you are truly worried i would tear it down and inspect them.

Or wait until the bearings go bad, and do it again with more care.

-Brian

#13 edalexandr

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Posted 16 August 2003 - 08:05 PM

the bearings should be still fine cause i did not drive it more than less say 5 miles so am just going to take it back apart and put in alot of good grease :rolleyes:

#14 TheSubaruJunkie

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Posted 16 August 2003 - 08:43 PM

Yeah, but if you remove the bearings, you will damage them. Try to repack them with them still in the hub. If you remove them from the hub, then you might as well get new ones cause chances are they'll be destroyed.

-Brian

#15 edalexandr

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Posted 16 August 2003 - 08:49 PM

o yeah i will not take them out of hubs am just going to re pack them in place and try it hope it runs a bit cooler thanks:cool:

#16 TheSubaruJunkie

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Posted 16 August 2003 - 08:52 PM

Not a problem, let us know how it works out.

Maybe you should do a before and after. Try to find a way to get a reliable tempterature reading other than 3 seconds by finger, and then do it after you repack.

Could be valuable information. I've never even worried about my bearing temps.

-Brian

#17 edalexandr

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Posted 16 August 2003 - 09:35 PM

yeah i have a surface temp thing i can put on the hub when it is hot and then i can check it after i re pack the bearings and you know the other day when i was touching the hub i left and came back a few min's later and the hub got a bit hotter i can feel the heat coming off the hub on to my face monday am going to re do the bearings and try it again

#18 beauregaardhooligan

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Posted 16 August 2003 - 11:33 PM

Some greases are not compatible with other types.
I know bearings aren't cheap, but it would probably be worth a new set and throughly cleaning out all the old grease. I wouldn't think you could re-pack the bearings in the hub.
Maybe go with the new synthetic stuff. They should last forever then.

#19 edalexandr

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Posted 17 August 2003 - 09:27 AM

yeah i was going to use a good synthetic grease hope it cools it down huh

#20 edalexandr

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Posted 17 August 2003 - 09:32 AM

o another question how are you getting the pictures on here it say no bigger than 40x 40 ?? i tryed and tryed:banghead:

#21 edalexandr

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Posted 18 August 2003 - 12:16 PM

well i just re pack the bearings with good hi temp wheel bearing grease ever thing look fine but still gets to hot?? the bearings went it nice and tight now what?:banghead:

#22 beauregaardhooligan

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Posted 18 August 2003 - 07:52 PM

Please describe how you re-packed the bearings.
Some heat is normal considering the disc brakes and cv axle all go right there.
You said you have a temp. gun? What does it read?
Does it smell hot?

#23 edalexandr

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Posted 18 August 2003 - 08:15 PM

well i put some grease on to the bearings and smash in and did it again and agin till it was just fill of grease it does not smell hot the calipers are not very hot or is the disk just right in the center where the bearings are the drivers side has a after market hub and it is not as hot as the other side (factory hub) if this keeps this up i guess i can put a after market hub on it and try that shoot i don't know??:banghead: :banghead: :banghead:

#24 edalexandr

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Posted 19 August 2003 - 04:11 PM

bump

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#25 edalexandr

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Posted 21 August 2003 - 09:22 AM

it is still running to hot any ideas?:cornfuzz:




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