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ShadeTree
Dodge Dakota
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7/14/2005
21:39:39
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 Subject: Wheel bearings Press vs Punch
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Message:
My 1995 4x2 dakota developed a roaring noise proportional to the wheel speed. It almost seemed that once every rotation there was a thump too. There was also vibration in the pedals and floor pan. I decided to replace the wheel bearings after noticing very small wobble in the passenger side front wheel.
I read here that Napa will press races into the hub assembly, and thus I would pay $40 per side for parts rather than the $225 per side my dealer wants. I called the closest Napa and they said on the phone that they had a press but would need to
see the hub before knowing if they could use it. I got a ride to that Napa, and walked in...the lady at the parts counter said they didnt have a press, but the one on the other side of town did.
So i drove to the other one, and they said they had a press but would just use a hammer and punch "like I could". So im wondering if there is a quality difference here. I work in a technical service industry and I hate when customers dont appreciate the effort it takes for a quality job, or say 'well couldnt ya just...' Im trying not to be one of those customers, but it seems like they were rude..they really seemed to let me know they were doing a favor. I guess $2.00 per side for punching them in isnt a lot, and they have done it before, but I would have been willing to pay for a quality job.
Any thoughts? What Dont I understand?
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Jake
Dodge Dakota
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7/14/2005
22:52:20
| RE: Wheel bearings Press vs Punch
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Anyone that uses a hammer to install bearings should go back the sweeping floors. Spend a few extra bucks and have the job done correctly. It will save to money in the long term.
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New Owner
Dodge Dakota
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7/15/2005
09:43:39
| RE: Wheel bearings Press vs Punch
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I used a block of wood and an old bearing of the same size (my car kept spinning them)and after getting a new drum (this was on an 89 probe) never had the problem again
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04dak3.7
Dodge Dakota
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7/19/2005
20:22:09
| RE: Wheel bearings Press vs Punch
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Message:
Just use a hamer and a drift to remove the old races. There is a slight lip on the back of the race that you catch with the punch a few good whacks alternating back-and-forth and they pop out.
Start the new ones with a slight tap of the hammer and then use the drift to seat them against the stops.
You can't use a press on that style of bearing. the adapters will not fit through the hole in the rotor, and if they do they will pass right through the race.
BTW he is installing a tapered roller bearing not a sealed ball bearing(the bearing and race are seprate so he is not installing bearings with a hammer).
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Just Looking
Dodge Dakota
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7/20/2005
03:21:18
| RE: Wheel bearings Press vs Punch
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Message:
Ive been installing bearing with a punch an hammer for a long time.
Ive done it with a punch but prefer to use a piece of pipe just slightly bigger then the shaft to tap the bearing itself on. The races i always tap them in with a punch. Ive done it so long i can hit my mark without even looking at what im doing
If the races are stuck a trick i learned is to weld around the race. Make sure u dont weld it to anything, u only want 1/4 to 1/2 the race with a bead on it(if its still stubborn sometimes more). One to two hits has it out and some will even push out with that trick.
As for premature bearing failure from doing it this way... Honestly i havent noticed a difference.
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Jake
Dodge Dakota
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7/20/2005
10:11:33
| RE: Wheel bearings Press vs Punch
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Message:
"I've been installing bearing with a punch an hammer for a long time.
That the difference between a mechanic and a parts changer.
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Just Looking
Dodge Dakota
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7/21/2005
04:32:46
| RE: Wheel bearings Press vs Punch
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Message:
Jake give us some info then... Your the only one who doesnt think a 50 ton or 100 ton press these shops use wont break something.
I own a 50 ton press how about you? I also have plenty of disaster storys to go with it.
So far the bearings i have in my vehicles and farm equipment have 10+ year on them and still in great shape. All installed with a hammer :)
Do share with us Jake.
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