Pinion Play...

Started by normtomlins, April 15, 2003, 03:35:52 AM

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normtomlins

April 15, 2003, 03:35:52 AM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
I took out my rear drive shaft and notice that when I turned the  pinion it moves in and out, feels like it's sliding up and down the ring gear...  
 
There is no side to side play, or up or down play.

It has the stock gears and no work has every been done on it.  

 
Any idea's what could be going on with it?  And how do I fix it?   :smack:
 
What parts??

Any suggests welcome ... :chug:
 
Norm

mhemingw7

#1
April 15, 2003, 03:40:01 AM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
it sounds like you have a bad crush sleve in your rear diff i would sugest a new one or a solid one but you should call marlin and get directions on how to change it because if you do it wrong you could do more damage
just to be on the safe side
living in the desert makes toyotas
a musthave thing . so much desert to crawl in and so few gas stations.
barstow is great, calico and the hammers are both within a half an hour  drive.

brainlessfool

#2
April 15, 2003, 02:03:29 PM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
and do cheak to be sure that it just not a lose yoke nut
A good day working, that's just sick :reg:

mr4x42u

#3
April 15, 2003, 10:08:54 PM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
If you let this go it could end up driving your pinion gear into the carrier and scaring both for life and leaving you with needing a new ring and pinion set..Wich might not be too bad..Then you have an excuse to chage to 4.88 or 5.29 gears... :up:
Forgiveness is between them and god..
Its my job to arrange the meeting!

84runner

#4
April 16, 2003, 04:30:58 PM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
Well I been posting on the other thread about htis problem  :smack:
RUBICON TESTED BIG BALLS APPROVED

normtomlins

#5
April 16, 2003, 04:41:08 PM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
Maybe we could get it moved from the newie sections over to this one..
 :dunno:


I guess none of you live near Brooklin, Ontario Canada and could drop by  :chug: and take a look.

Rock_Starr

#6
April 17, 2003, 11:09:55 AM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
Norm i am still posting on the other one.
RS
Free wisdom for all:
"Spend your beer money on yourself, sex with strangers is often weird and uncomfortable, marriage ruins everything, and oh yeah, Gatorade is delicious."

84runner

#7
April 17, 2003, 12:05:50 PM Last Edit: December 31, 1969, 04:00:00 PM by 1056988800
   This is for toyota 4cyl 8in.
It don't matter how much or how little you torq the pinion nut, but you do have to crush the sleeve. The concern is in the pinion preload, The amount of force needed to turn the pinion.  Preload on used 4wd bearings should be between 7.8-11.3 in.-lbs. This can be checked while the 3rd member is in the vehicle and only the driveline removed, with vehicle on the ground. All you need is the amount of backlash between the ring and pinion to check this preload setting.
 
Rock_Star I would have to agree with White_trash that you can set a crush sleeve while the carrier is in place. But not just by torqing down the nut cause of all the variances like you said. You would have to crush the sleeve slowly and check the pinion preload as you go, so your careful not to overlaod the pinion bearings. And the pinion prelaod for new 4wd bearings is between 16.5-22.6 in.-lb. And all the room you need to check this is just the backlash between the ring and pinion. And torq specs for the pinion nut on a 4wd is 145-253 ft-lb.  
 
But a concern that I have is pinion depth.  No matter if its the bearings or the crush sleeve you will have to replace the crush sleeve once you open it up. Now if you replace the bearing on the pinion you would be changing the pinion depth. Ya it's realy not alot, but the shims used to set pinion depth are measured in thousands of an inch. So this would change your gear pattern. Which in worst case can lead to gear noise and gear failure.  
 
I hope this helps you and saves you time and money.
RUBICON TESTED BIG BALLS APPROVED
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