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Re: 91 XJ: front driveshaft double-cardan lubrication

"L.W. ("ßill") ------ III" <----------@cox.net> wrote in message
news:42CDAC0F.8BB5B31D@cox.net...
> Jeff,
> Where did the Original Poster say he wanted to raise the front
> tires?
> First post:
> "If I jack up both front tires of my cherokee, apply the parking brake
> and

BINGO
Ding ding ding, we have a winner!

Right here he said he wants to raise the wheels off the ground.

> put the auto trans in neutral and leave the xfer case in 4WD will I be
> able
> to freely rotate the front driveshaft so I can get to all the zerk
> grease
> fittings?
>

The answer here is NO.

The reason the answer is no is b ecause he wants to lock the rear brakes and
set the tcase to 4WD, I assume 4HI, but the same problem exists with 4LO.
The front will not turn because the tcase will be locked down by the rear
tires. The tcase has to be in 2HI or in N for the front driveshaft to turn
in the conditions he wants to create.

> Also, what's the double cardan joint ball for? In looking at the
> exploded
> diagram of the double cardan joint in the front driveshaft (right next
> to
> the xfer case) there is a ball fitting that looks like its got a grease
> fitting. What I'm wondering is why you need this spring-ball at all. If
> the
> spiders are handling all the load from transferring power from the
> driveshaft through the double cardan joint then what is the point of the
> ball that goes between the spider and the center yoke in the double
> cardan
> joint?"

Double cardan joint ball, I read that as ball joint. My mistake.

> Second post:

None of that has anything to do with the ability to turn the front
driveshaft. It does talk about how to find the grease fitting, and the OP's
difficulty in finding it, but it has nothing at all to do with how to look
for it, or of the driveshaft turns in Hi or LO or N.

The grease fitting is a bitch to get to, especially on the front (using my
CJ as my point of reference). The rear is a bit easier because the joint
opens up a bit more because of the sharper angle that it operates at, and
the fact that the skid plate is not in the picture. The front is surrounded
by the tcase on two sides, and the skid plate on a third. It might be
necessary to physically remove the bolts that hold the front driveshaft to
the tcase yoke, then grease the fitting and put the driveshaft back into
place.

Re: 91 XJ: front driveshaft double-cardan lubrication

Damn, I apologize Jeff. I'm glad it wasn't a poisonous snake.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Jeff Strickland wrote:
>
> BINGO
> Ding ding ding, we have a winner!
>
> Right here he said he wants to raise the wheels off the ground.

Re: 91 XJ: front driveshaft double-cardan lubrication

Me too, it would be wrapped around your neck, and chewing on your nose.

"L.W. (ßill) ------ III" <----------@cox.net> wrote in message
news:42CDCAC9.CC45FCE1@cox.net...
> Damn, I apologize Jeff. I'm glad it wasn't a poisonous snake.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Jeff Strickland wrote:
> >
> > BINGO
> > Ding ding ding, we have a winner!
> >
> > Right here he said he wants to raise the wheels off the ground.

Re: 91 XJ: front driveshaft double-cardan lubrication