Methods for pressing bearings into hubs
Tomorrow I'm going to be overhauling my front brakes, calipers, and also replacing my bearings. Since all the shops with hydraulic presses are going to be closed, I was going to attempt this on my own.
DOHC-DX has informed me that this is possible by freezing the bearings and heating up the hubs, such that the bearings contract and the hubs expand. Has anyone attempted this? Do you think I could lightly tap the bearing into the hub with a mallet (with a piece of wood over the bearing to protect it)?
Also, what about getting the old bearing out?
Thanks in advance.
DOHC-DX has informed me that this is possible by freezing the bearings and heating up the hubs, such that the bearings contract and the hubs expand. Has anyone attempted this? Do you think I could lightly tap the bearing into the hub with a mallet (with a piece of wood over the bearing to protect it)?
Also, what about getting the old bearing out?
Thanks in advance.
i havent done the bearing on a honda before, but me and my friend done his on his celica GT a few weeks ago, and we tapped them in with a mallet, they went in fine and without damage. i dont know if i like the idea of heating new parts, like how much do you heat them, and they could loose form and be totally useless, if your unsure as to whether or not you'll be able to sucessfully replace them then i'd leave it and bring it to a shop first chance i got.
Havent ever done one of those, but I've been told by those that have several times that they are a pain in the A$$. I'd just wait and take it to a shop and have that done, no reason in chancing it when a little extra money can save alot of pain.
You need a press to get them out too! At least I did. They suck to do.
Holidays are for beer and barbecue's not wheel bearings.
Good luck!
[Modified by rolow, 4:53 PM 7/4/2002]
Holidays are for beer and barbecue's not wheel bearings.
Good luck!
[Modified by rolow, 4:53 PM 7/4/2002]
Hitting a bearing with a hammer is a quick way to ruin it. Worst case without a press to put it in is to use some all thread or long bolt the right size washers and a big socket, you can press in a lot of interfearance fit items without damage, its going to take longer but using a hammer is the WRONG way to go. You MAY get away with it, or you MAY f@*# it up and be without a car till the parts store opens.
Sorry, hope you haven't started, the hubs can be separated with bolts being screwed into the existing holes, and just turning a bit more on each bolt to separate hub, and to separate the bearing, press bearing back in, i used a hydraulic press, but a hub compressor will also work. I believe you can rent the hub compressor from autozone, not certain, but i highly doubt freezing and heating will work since the tolerances are so closed, and steel simply doesn't contract/expand that much, not to mention damaging the bearings. They are sealed and packed, so do not heat them with a torch.
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