I need to do mine on my 06 , never done ball joints , what do I need in tools ?

A press maybe ?

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05 liberty CRD Limited - suncoast TC , GDE Turbo , GDE TCM Tune 2gen OEM filter head, stant 195 tsat, Autoandart Window Fix, New TB kit ~190k (Geordi)
06 Liberty CRD Limited - stant 195 tstat Autoandart Window Fix, 2gen OEM filter head, New TB kit ~180k (Geordi), GDE Turbo, GDE TCM ECO tune

I think you need the following tool:
http://www.ebay.com/itm/4-in-1-BALL-JOI ... 1766432445

Disclaimer: I have bought the tool and MOOG ball joints from CarID.com but have not yet completed the job yet! Too many things in pipeline.

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'06 Liberty CRD Limited. Bought at 91K miles.
ARP studs, New rockers, Stant inline tstat, Weeks 1&2, Provent, IDParts Silicone hoses,
2-1/2" Full OME lift, Timing belt, Water pump, TransGo kit, Plastic fan, Fumoto
2nd gen fuel head with 2nd stage 2 micron filter, in-tank lift pump, G2 Rear Diff Cover

If you have an Autozone near you, they will rent/loan the tools you need for free. I tried Advance first, but they did not have the right size spacers in their kit. At Autozone, I rented two kits, but I didn't care since they give a full refund upon return. I brought the knuckle into the store, because the first kit did not have the spacers the I needed. Oddly enough, I think the kit that I ended up using was in their listing for a 2WD Liberty. Mine is 4WD, and I can't imagine Jeep going through the trouble to have different ball joints in a 2WD model. Anyway, the tool kit listed for the 2WD had the right spacers, so I got that along with the BJ press, and it was a breeze.

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JBA 4" lift, IRO Tri-link w/ wwdiesel bracket, JBA sliders, 235/85-16 Goodyear Wrangler Duratracs, Mercedes Benz forged ultralight wheels, Weeks stage 1 and 2, Weeks lift pump and harness, Weeks battery tray and AGM battery, GDE tune, Suncoast TC, updated front pump, HDS 001 T-stat, ARP studs, Front and rear Detroit/Eaton Truetrac LSD.

You will also need a socket for the axle nut. Many say it is a 35mm, but my 35mm does not fit. I use a 36mm. Another tool that you can rent from Autozone for free. You'll need a 21mm socket for the ball joint nuts if I remember right. An impact wrench will make your life easier. Probably a six pack, more if you have helpers.

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JBA 4" lift, IRO Tri-link w/ wwdiesel bracket, JBA sliders, 235/85-16 Goodyear Wrangler Duratracs, Mercedes Benz forged ultralight wheels, Weeks stage 1 and 2, Weeks lift pump and harness, Weeks battery tray and AGM battery, GDE tune, Suncoast TC, updated front pump, HDS 001 T-stat, ARP studs, Front and rear Detroit/Eaton Truetrac LSD.

thanks

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05 liberty CRD Limited - suncoast TC , GDE Turbo , GDE TCM Tune 2gen OEM filter head, stant 195 tsat, Autoandart Window Fix, New TB kit ~190k (Geordi)
06 Liberty CRD Limited - stant 195 tstat Autoandart Window Fix, 2gen OEM filter head, New TB kit ~180k (Geordi), GDE Turbo, GDE TCM ECO tune