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Re: How do you remove the OD
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Morris G. Hill
I think the 1-1/8" hole can be enlarged by a machine shop, though I
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have not tried having that operation done. I think the 1-1/8" set-up is too weak for the 6-226 or larger engines -- my 226 wagon trashed a new 1-1/8" shaft and bearing set in less than 15,000 miles of everyday driving, so I switched cases to a 1-1/4" version I had in the parts pile. The 1-1/8" set-up is ok behind my 4-134 engine -- it's never needed attention in 35 years of driving my CJ-2A. The modification kit is sold by AA for either the 1-1/8" or 1-1/4" cases. It includes a new special shaft and 2 little cup and cone taper roller bearing sets. AA includes a diagram to guide a machinist in cutting your existing intermediate gear for the bearing cups, and afterwards you should use a dremel tool to grind a couple of recesses inboard of where each cup will be driven in, so you can drive them out later to replace them if necessary. They don't tell you this in the instructions, but it's obvious you'll never be able to replace worn cups unless you create some way to drive them out before you install them. Only the gear needs to be cut, not the case. I finally did this mod in my wagon and it's held up with no problems for the last 25,000 miles or so. It almost (not quite) gets rid of all of the transfer case whine. I'd tell you how I learned this stuff, but I'd have to be drunk first. Way too humiliating otherwise. -----Original Message-----
From: Rick48CJ2A@... <Rick48CJ2A@...> To: WillysTech@... <WillysTech@...> Date: Monday, June 21, 1999 6:29 PM Subject: Re: [WT] How do you remove the OD From: Rick48CJ2A@...the #18 and #20. Of course I had to take and match them up myself to becertain. :-)just a different set of bearings to match the shaft size? Would it be worth theHow reliable is the 1 1/8" for everyday driving. I'm not talking about rockthe intermediate shaft. Who sells these kits and what do they include? Doesany machine work have to be done? Will these kits fit a 1 1/8" t-case or aremgh@... writes:hole where it mates to the transmission. The hole in earlier #18's was a shadeearlier transmission which was intended for the small indexing hole.such a case is converted to an #18, it will intefere with the driveshaft brakeif so equipped, or with the speedometer cable if not. For such cases, a newwell-equipped hardware store (but not at Home Depot).apparently-identical 26 tooth main drive gears, the tooth pitch is different, so they will notpitch only.freely interchanged between cases with those shaft diameters, assuming all other(and there are more of them) in the later 1-1/4" shaft version, so it is a morethey are not marked on the parts themselves. Spicer numbers appear on originalthe mystery and adventure.an 18-8-18 output gear and 18-8-17 sliding gear. This combination workstooth set-up is 18-5-16. The tooth counts are 34/20. It must be used with ana Warn 26-tooth overdrive, even though it may seem to fit perfectly.gears -- you probably wouldn't be able to force all of them into the case at thesame time.. Ditto for the 27-tooth arrangement used on WWII models.who say don't remove the small cover, cotter pin, etc. The main housing is agear stays behind in the transfer case, and the snap ring is first carefullyof force to loosen it (if it was properly installed) because it needed to beextension, while either having someone under the hood holding the fan to keep thenot super-tight, the lockplate and snap ring will not keep everythingtogether for very long. |
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