I've never been able to find that tool in a large enough size to fit around the fat montero balljoint. Ordered 2 different ones from NAPA from their big fat cataloge that were too small, I guess they fit toy 4wds like nissans and such.
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I looked at the gen 2 boot change on your Gen 2 with the steering wheel on the wrong side you posted on here in FAQs, very helpful.
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Right now I'm planning to just do the right shaft. I can remove the needle bearing and seal and see if NAPA can match them up. It's only a 3 mile walk to NAPA and they can usually get me stuff in 2-3 days , if it's available. I'll try my Montero Sport 2wd plug in that hub if I have a long wait on parts, since I'll be able to drive with the left still in place hold in diff. fluids.
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Has anybody gotten OEM boots come in a NAPA or other brand aftermarket packaging??? Rockauto has a good deal on the inner MT boots but the outer boot come from a different shipper, bearings from another and seals from yet another. With all that shipping it's cheaper to support my dependable local NAPA store.
Like I said O'Rielly and AutoZone here can only get Dorman. The one they showed me was grey and might fit a fiat or something. It sure wasn't for a Montero.

dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.