NAXJA Forums -::- North American XJ Association  

Go Back   NAXJA Forums -::- North American XJ Association > NAXJA Unibody Jeep Technical Forums > Jeep Cherokee XJ (1984 - 2001) > Modified Tech Discussion
HOME Member FAQ Sponsor Info Rules Bylaws E-Mail

Modified Tech Discussion Forum for Tech related discussion for Modified XJ's and MJ's.

Reply
 
Thread Tools Display Modes
  #1  
Old April 9th, 2012, 17:47
spdyracer spdyracer is offline
NAXJA Forum User
 
Join Date: Nov 2011
Location: Florence, KY
Posts: 66
Too much shim?

I put a d44 in and the yoke was pointing 4 degrees up from the driveshaft. i got 6 degree shims figuring this would put me 2 degrees down where it should be but after putting them in now im 6 degrees low. how did 6 degree shims give me about 10 degree angle. also is 6 degrees too low or would it be ok to leave it?
Reply With Quote
  #2  
Old April 9th, 2012, 18:47
WrenchMonkey's Avatar
WrenchMonkey WrenchMonkey is offline
NAXJA Member #771
 
Join Date: May 2003
Location: East of Cincinnati
Posts: 3,068
Re: Too much shim?

Quote:
Originally Posted by spdyracer View Post
I put a d44 in and the yoke was pointing 4 degrees up from the driveshaft. i got 6 degree shims figuring this would put me 2 degrees down where it should be but after putting them in now im 6 degrees low. how did 6 degree shims give me about 10 degree angle. also is 6 degrees too low or would it be ok to leave it?
I suspect you measured something wrong, or tightened it unevenly. It happens...

Yes. 6* is most certainly too much.

Robert

Last edited by WrenchMonkey; April 9th, 2012 at 18:50.
Reply With Quote
  #3  
Old April 9th, 2012, 18:57
spdyracer spdyracer is offline
NAXJA Forum User
 
Join Date: Nov 2011
Location: Florence, KY
Posts: 66
Re: Too much shim?

considering all else stays the same at this point i should use 2 degree shims? that should take away 4 degrees and put me at 2 degrees. is this correct?
Reply With Quote
  #4  
Old April 9th, 2012, 19:06
Builderxyz Builderxyz is offline
NAXJA Forum User
 
Join Date: Jun 2010
Location: The Desert
Posts: 103
Re: Too much shim?

Jeepwire.Com Presents: Setting Your Pinion Angle
Reply With Quote
  #5  
Old April 9th, 2012, 19:11
Builderxyz Builderxyz is offline
NAXJA Forum User
 
Join Date: Jun 2010
Location: The Desert
Posts: 103
Re: Too much shim?

Quote:
Originally Posted by spdyracer View Post
I put a d44 in and the yoke was pointing 4 degrees up from the driveshaft. i got 6 degree shims figuring this would put me 2 degrees down where it should be but after putting them in now im 6 degrees low. how did 6 degree shims give me about 10 degree angle. also is 6 degrees too low or would it be ok to leave it?
sounds like you installed the shims the wrong direction
Reply With Quote
  #6  
Old April 9th, 2012, 19:22
spdyracer spdyracer is offline
NAXJA Forum User
 
Join Date: Nov 2011
Location: Florence, KY
Posts: 66
Re: Too much shim?

Quote:
Originally Posted by Builderxyz View Post
sounds like you installed the shims the wrong direction
considering that my yoke was 4 degrees high compared to the driveshaft if i put them in wrong it would have put the yoke pointing 10 or more degrees too high. i put them in the right direction but some how it gave me more angle than i was expecting
Reply With Quote
  #7  
Old April 9th, 2012, 19:27
Builderxyz Builderxyz is offline
NAXJA Forum User
 
Join Date: Jun 2010
Location: The Desert
Posts: 103
Re: Too much shim?

what is the angle after the shim install and what direction are the thick portion of the shims facing?
Reply With Quote
  #8  
Old April 9th, 2012, 19:36
spdyracer spdyracer is offline
NAXJA Forum User
 
Join Date: Nov 2011
Location: Florence, KY
Posts: 66
Re: Too much shim?

Quote:
Originally Posted by Builderxyz View Post
what is the angle after the shim install and what direction are the thick portion of the shims facing?
read my first post. thick side is in the back bringing my yoke lower like i wanted but more than i needed.
Reply With Quote
  #9  
Old April 9th, 2012, 20:36
Porch951 Porch951 is offline
NAXJA Forum User
 
Join Date: Apr 2008
Location: Albuquerque, NM
Posts: 460
Re: Too much shim?

Drive it around the block real quick, see if something settles. If not, you do the math!
Reply With Quote
  #10  
Old April 9th, 2012, 21:18
Builderxyz Builderxyz is offline
NAXJA Forum User
 
Join Date: Jun 2010
Location: The Desert
Posts: 103
Re: Too much shim?

Quote:
Originally Posted by spdyracer View Post
read my first post. thick side is in the back bringing my yoke lower like i wanted but more than i needed.
I read the post and you mention pinion angle at 6* and 10*. what is it ? installing the thicker part of the shim to the rear, raises the pinion angle. do you have a SYE installed,T/C drop? all of these changes make a huge difference in where your pinion angle needs to be set.
Reply With Quote
  #11  
Old April 10th, 2012, 19:24
WrenchMonkey's Avatar
WrenchMonkey WrenchMonkey is offline
NAXJA Member #771
 
Join Date: May 2003
Location: East of Cincinnati
Posts: 3,068
Re: Too much shim?

Quote:
Originally Posted by Builderxyz View Post
I read the post and you mention pinion angle at 6* and 10*. what is it ?
He was at 4* high. He added 6* shims, aiming for 2* low.

Instead, he ended up 6* low, which is 10* from where he started.



Spdy, try like Porch said and drive it around the block, see how it settles. then retighten all.

If you have to take it all apart, try to get new/better baseline measurements before reshimming.

Where are you measuring your pinion angle? I like to pop the ujoint and measure right across the saddle...

Robert
Reply With Quote
  #12  
Old April 10th, 2012, 19:53
Builderxyz Builderxyz is offline
NAXJA Forum User
 
Join Date: Jun 2010
Location: The Desert
Posts: 103
Re: Too much shim?

Quote:
Originally Posted by WrenchMonkey View Post
He was at 4* high. He added 6* shims, aiming for 2* low.

Instead, he ended up 6* low, which is 10* from where he started.



Spdy, try like Porch said and drive it around the block, see how it settles. then retighten all.

If you have to take it all apart, try to get new/better baseline measurements before reshimming.

Where are you measuring your pinion angle? I like to pop the ujoint and measure right across the saddle...

Robert
4* high to start, them ad a 6* shim with the wide end to the rear.he should be 10 + high not low ( he raised it with the shim) some how his measuring is off. there are 2 nice flat spots on either side of the Diff that work great for checking the angles.
Reply With Quote
  #13  
Old April 11th, 2012, 04:36
spdyracer spdyracer is offline
NAXJA Forum User
 
Join Date: Nov 2011
Location: Florence, KY
Posts: 66
Re: Too much shim?

Quote:
Originally Posted by Builderxyz View Post
4* high to start, them ad a 6* shim with the wide end to the rear.he should be 10 + high not low ( he raised it with the shim) some how his measuring is off. there are 2 nice flat spots on either side of the Diff that work great for checking the angles.
actually i miss spoke the other day when i said the wide side to the rear. i checked and the wide side is in the front. wrenchmonkey is correct on what i was saying. thanks for all the advice i have driven it a few miles and it still measures the same. im doing what builderxyz said as far as measuring im using the flat side to measure. i just ordered some 2* shims and just hope nothing weird happens again when i put them in. this should take me to 2* like i wanted in the first place. the only thing i can think is my measurements where off the first time or the rear was bolted in wrong some how the first time. ill post again once i get the new shims in.
Reply With Quote
  #14  
Old April 11th, 2012, 11:24
BotakBeng BotakBeng is offline
NAXJA Forum User
 
Join Date: Jan 2011
Location: Las Vegas
Posts: 333
Re: Too much shim?

Thicker side toward the rear.
This will shift the rear pinion angle upward toward the TC.

Here is a pic of the passenger's side looking from the rear.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
what deg. shim should i use? muddyxj84 Modified Tech Discussion 1 March 27th, 2007 13:53
No SYE yet...shim? andrew2516 Modified Tech Discussion 8 September 29th, 2006 08:54
To shim or not to Shim ARBOGASTER Modified Tech Discussion 2 July 20th, 2005 08:29
MJ SOA To shim or not to shim?? indyjeepnut Modified Tech Discussion 2 March 26th, 2005 13:04
HELP -- need shim kit in CO MMIXJ Modified Tech Discussion 5 May 25th, 2004 21:47


All times are GMT -7. The time now is 09:45.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
NAXJA and NAXJA logo's Copyright NAXJA. All content/images Copyright NAXJA 1999-2014