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The only place for a coil spring is up Zebedee's arse
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Considering buying a press. I've previously managed without one even for jobs where a press would have made things much easier but I now have a few wheel bearings to change at around the same time and buying one seems to make sense. Don't want to spend a fortune on some massive 75ton overkill rated floor standing thing but don't want to buy anything that's not up to the job either. First use will be for wheel bearings on the ML and on a Corsa (just bought for the missus to learn to drive in). What tons rating should be on top of the job but without too much overkill / bulk / expense?

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I have one of these (similar, not identical one) down the workshop rated at 12 tonnes
https://www.ebay.co.uk/itm/PROGEN-12-TON-TONNE-BOTTLEJACK-WORKSHOP-GARAGE-SHOP-FLOOR-STANDING-PRESS/232754307796

Thats been fine for everything we have wanted it for so far, without taking up too much space (wouldn't be to difficult to disassemble to store if you didn't want it for a while either).

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I’m with Brian, 12 tonne is more than enough to do most jobs, there so cheap now adays it’s crazy, your build up a selection of steel parts to use as packers ect,,

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Thanks to both of you.

The one Bri linked to is by far the cheapest 12ton rated I've seen, others on Ebay are double the price, triple the price at Machine Mart.
Nearly clicked to buy but it wouldn't be here before Tuesday and I want to get started before then, might just use my mate's press instead.

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I bought one like that, but the 20T version as I've heard that various bits on a P38 can take a fair bit to shift. Also when I was pricing up, 20T vs 12T wasn't much difference in price. Haven't looked lately though.

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I am just in the process of welding up a press using a 20 tonne jack. It is working out more expensive than buying one off the shelf.
I have started so I will have to finish now.

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Done the Corsa nsf wheel bearing this morning without a press. Knocked the drive hub out of the hub assembly, circlip off, knocked the bearing out of the hub assembly, ground the inner bearing down from the drive hub, cut a slot in it and chiselled it off. New bearing in the freezer, heated the hub assembly and it dropped straight in no forcing needed. Drive hub in the freezer and heated the outside of the hub assembly to heat the bearing a bit and that went in with a gentle tap. Still some noise at the front, will be doing the other side soon and probably looking at CV joints if that doesn't completely quieten it.

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I did the Corsa's other side front wheel bearing in the same way as above but having read up on special tools being necessary to do the ML wheel bearing and still not having bough a press I let my mate's garage change the ML wheel bearing while I worked on an LPG conversion.