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post #1321 of 1985 Old 04-26-2010, 01:00 PM
Greengc4x4
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John, you would never admit you're wrong, even if you knew you were. lol. Lighten up and take a joke.

All the info I am finding, along with what Rat said, says max is just under 300 ft lbs. Lose the defensive attitude and realize that none of us want to see you **** **** up, which is why we are saying something.

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post #1322 of 1985 Old 04-26-2010, 01:04 PM
ArloGuthroJeep
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400 ft-lbs is way too much. But if you know what you're doing, run the 400 ft-lbs and prove us wrong

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package


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post #1323 of 1985 Old 04-26-2010, 01:41 PM
squashman702
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John, do you have a FSM? I can check when I get home today if you want.

Think Twice Garage
"I guess I'd just run it?"
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post #1324 of 1985 Old 04-26-2010, 02:33 PM
ArloGuthroJeep
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Pulled from my FSM for the D44a:
(10) Install yoke washer and a new nut on the
pinion gear and tighten the pinion nut until there is
zero bearing end-play.

(11) Tighten the nut to 298 Nm (220 ft. lbs.).
CAUTION: Never loosen pinion gear nut to decrease
pinion rotating torque and never exceed specified
preload torque. If preload torque or rotating torque
is exceeded a new collapsible spacer must be
installed.
NOTE: New collapsible spacers require high initial
torque to start the collapsing of the spacer. This
may reach 678 Nm (500 ft. lbs.).

(12) Using Spanner Wrench 6958 and a torque
wrench set at 380 Nm (280 ft. lbs.), (Fig. 88) slowly
tighten the nut in 6.8 Nm (5 ft. lbs.) increments
until the rotating torque is achieved. Measure the
rotating torque frequently to avoid

So perhaps the "NOTE" is what he is referring to

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package


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post #1325 of 1985 Old 04-26-2010, 02:35 PM
squashman702
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Quote:
Originally Posted by ArloGuthroJeep View Post
Pulled from my FSM for the D44a:
(10) Install yoke washer and a new nut on the
pinion gear and tighten the pinion nut until there is
zero bearing end-play.

(11) Tighten the nut to 298 Nm (220 ft. lbs.).
CAUTION: Never loosen pinion gear nut to decrease
pinion rotating torque and never exceed specified
preload torque. If preload torque or rotating torque
is exceeded a new collapsible spacer must be
installed.
NOTE: New collapsible spacers require high initial
torque to start the collapsing of the spacer. This
may reach 678 Nm (500 ft. lbs.).

(12) Using Spanner Wrench 6958 and a torque
wrench set at 380 Nm (280 ft. lbs.), (Fig. 88) slowly
tighten the nut in 6.8 Nm (5 ft. lbs.) increments
until the rotating torque is achieved. Measure the
rotating torque frequently to avoid

So perhaps the "NOTE" is what he is referring to
Interesting. My 1998 ZJ FSM doesn't have that note in there . . . just says not to exceed 280 lbs. Makes sense though, I remember helping my buddies mess with a crush sleeve for a 14B and it involved 10' of cheater bars to get it started.

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"I guess I'd just run it?"
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post #1326 of 1985 Old 04-26-2010, 02:43 PM Thread Starter
BLACKzj52
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Quote:
Originally Posted by Greengc4x4 View Post
John, you would never admit you're wrong, even if you knew you were. lol. Lighten up and take a joke.

All the info I am finding, along with what Rat said, says max is just under 300 ft lbs. Lose the defensive attitude and realize that none of us want to see you **** **** up, which is why we are saying something.
couple things. i was annoyed (for other reasons not relating to this thread) when i responded, so maybe it came across defensive.

i wont admit im wrong when i know im right. and when i am wrong, ill be the first to admit it.

pinion nut torque is 2xx some odd torque. crushing a CRUSH SLEEVE is 400 ft/lbs.

Quote:
Originally Posted by ArloGuthroJeep View Post
400 ft-lbs is way too much. But if you know what you're doing, run the 400 ft-lbs and prove us wrong
sure thing
although you realized afterwards what i was talking about

Quote:
Originally Posted by squashman702 View Post
John, do you have a FSM? I can check when I get home today if you want.
yeah i have one

Quote:
Originally Posted by ArloGuthroJeep View Post
Pulled from my FSM for the D44a:
(10) Install yoke washer and a new nut on the
pinion gear and tighten the pinion nut until there is
zero bearing end-play.

(11) Tighten the nut to 298 Nm (220 ft. lbs.).
CAUTION: Never loosen pinion gear nut to decrease
pinion rotating torque and never exceed specified
preload torque. If preload torque or rotating torque
is exceeded a new collapsible spacer must be
installed.
NOTE: New collapsible spacers require high initial
torque to start the collapsing of the spacer. This
may reach 678 Nm (500 ft. lbs.).


(12) Using Spanner Wrench 6958 and a torque
wrench set at 380 Nm (280 ft. lbs.), (Fig. 88) slowly
tighten the nut in 6.8 Nm (5 ft. lbs.) increments
until the rotating torque is achieved. Measure the
rotating torque frequently to avoid

So perhaps the "NOTE" is what he is referring to
exactly what im referring to


other sources:
Quote:
To get that crush sleeve to crush, takes alot of torque (about 300lbs), I use a pipe wrench on the yoke and a long pipe on the end of the wrench, lock that aginst my cart, then I have a large 3/4 breaker bar that I put a long pipe on. Once the crush sleeve begins to crush, it is then a little easier to turn.
^^ http://www.cherokeeforum.com/f52/d44...-install-5292/

Quote:
The crush sleeve permanently distorts, or crushes, at approximately 300 to 400 pounds/feet of torque on the pinion nut.
from the yukon manual.
found here: http://www.yukongear.com/Downloads/T...structions.pdf
page 11.

- John - 23 and learning <-- ORIGINAL
- 1996 Black ZJ Limited: 5.9 swap, LA's, axles, absolutely built to hell
- 1998 Platinum 5.9 Limited: DD with some lighter modifications

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Last edited by BLACKzj52; 04-26-2010 at 02:55 PM.
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post #1327 of 1985 Old 04-26-2010, 03:38 PM
Greengc4x4
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John, the cherokeeforum write-up is the one I looked at. He says "about 300". That is one of the sources I looked at.
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post #1328 of 1985 Old 04-26-2010, 03:49 PM Thread Starter
BLACKzj52
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Cool.


It takes 300-400 ft/lbs.
Number doesn't really matter tho, what matters is the pinion bearing preload. And right now I have none which means my crush sleeve hasn't crushed . Meaning the nut needs to be tighter. That's ther last time I'm going to say that

- John - 23 and learning <-- ORIGINAL
- 1996 Black ZJ Limited: 5.9 swap, LA's, axles, absolutely built to hell
- 1998 Platinum 5.9 Limited: DD with some lighter modifications

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post #1329 of 1985 Old 04-26-2010, 04:59 PM
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1997 Grand Cherokee Orvis: V8 5.2L, stock.
(Sold) 1998 Cherokee Sport: 4.0L I6, Stock.
(Sold) 1990 Cherokee: 4.0L I6, 4.5" Lift, 33" BFG's.
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; V8 4.7L, Stock.
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; V8 5.2L ,3.5" lift, 32" Tires
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post #1330 of 1985 Old 04-26-2010, 05:02 PM
Greengc4x4
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Pull the sand out of your vagina
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post #1331 of 1985 Old 04-26-2010, 06:36 PM
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use a press to start the crush, it's what the guys who've done a couple hundred crush sleeve style differentials do.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #1332 of 1985 Old 04-26-2010, 06:38 PM
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Quote:
Originally Posted by 96DCZJ View Post
x2 .....10 char

Sam-20: I love camo duct tape!

1995 Jeep Grand Cherokee Limited, blacked out
4.0 I6, NP249, D30-D35 with 3.73 gears
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Tinted tails, Baja fogs, Bedlined bumpers, removed cladding
Iron Rock Offroad 3.5" lift, 15x8 Cragar D Windows, 32" BFG A/T's
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post #1333 of 1985 Old 04-26-2010, 06:42 PM
SHAKEnBLAKE
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get it on the road!!

get it on the trail, rather...

Ohio4x4.com
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post #1334 of 1985 Old 04-26-2010, 07:44 PM
Greengc4x4
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Quote:
Originally Posted by ratmonkey View Post
use a press to start the crush, it's what the guys who've done a couple hundred crush sleeve style differentials do.
I had thought maybe a vice, but a press would be perfect!
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post #1335 of 1985 Old 04-26-2010, 09:33 PM
JrMechanic
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Quote:
Originally Posted by Greengc4x4 View Post
I had thought maybe a vice, but a press would be perfect!
A vice doesn't even hold a candle to the power of a hydraulic press Roger

Want to swap an NP242 or NP231 into your ZJ? Here's how:

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