Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

4-wheel drive makes loud bang when disengaging

Thread Tools
 
Search this Thread
 
Old 03-18-2012, 07:28 PM
  #1  
Newbie
Thread Starter
 
99cherokeeindy's Avatar
 
Join Date: Mar 2012
Posts: 1
Likes: 0
Received 0 Likes on 0 Posts
Model: Cherokee
Default 4-wheel drive makes loud bang when disengaging

99 cherokee automatic 4.0

The 4-wheel drive is slow to disengage. I can hear it trying, and it seems to disengage ok when going around a corner. Sometimes when it disengages it's loud; like loud enough to scare the crap out of me. I can feel it bang through the floorboards. What the heck is wrong?

Thanks

Martin
Old 03-18-2012, 07:45 PM
  #2  
CF Veteran
 
caged's Avatar
 
Join Date: Nov 2008
Location: Northern Ontario, Canada
Posts: 7,874
Received 94 Likes on 85 Posts
Year: 1990, 1999, 2000
Model: Cherokee
Engine: 4.0
Default

try changing the fluid in the t-case.
Old 03-18-2012, 07:47 PM
  #3  
Newbie
 
XJdryva's Avatar
 
Join Date: Jan 2012
Location: Oklahoma
Posts: 531
Likes: 0
Received 0 Likes on 0 Posts
Year: 1993
Model: Cherokee
Engine: 4.0
Default

Your chain is probably slipping
Old 03-19-2012, 04:49 AM
  #4  
Seasoned Member
 
Potatowalker's Avatar
 
Join Date: Oct 2010
Location: Colorado Rocky Mountains
Posts: 486
Likes: 0
Received 2 Likes on 2 Posts
Year: 1999
Model: Cherokee
Engine: 4.0 I6
Default

Try letting off the gas a second or 2 after you disengage the 4wd? If I shift from 4 to 2wd with torque on the drivetrain, it will strain and then clunk when it disengages. If I shift outta 4 with light gas pedal then let off the gas after I shift so there's no torque being applied, it just clicks a little and disengages instantly. It's noticeably worse/louder on dry ground or pavement compared to snow or mud or gravel.
Old 03-19-2012, 06:30 AM
  #5  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,875
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default

Driving in a straight line, pull the lever to the desired mode. Tap the gas and let off. Sometimes twice. Do not drive around corners with 4wd engaged on hard pavement. You put tension on the driveline.
Old 03-19-2012, 07:44 AM
  #6  
CF Veteran
 
VTJeep's Avatar
 
Join Date: Jul 2010
Location: 802
Posts: 4,930
Likes: 0
Received 3 Likes on 3 Posts
Year: 99
Model: Cherokee
Engine: 4.0
Default

I think more specific info on how to assess and diagnose any potential damage is ok too, it could be that the TC is going, it could be fine, but here's stuff to actually check over.. The driveshafts shouldn't have any play in them, so if they do, there's a good chance a joint is getting old and causing some clunkiness. If the front shaft has play, just go get a new front shaft from JY (mine was 80 bucks) and slap it on. What about wheel joints? Could be when 4wd is engaged its putting torque to front DS and therefor putting extra torque on wheel joints?
What TC do you have?
Old 03-19-2012, 10:56 AM
  #7  
Junior Member
 
Bigwillie's Avatar
 
Join Date: Feb 2012
Location: Olympic peninsula WA.
Posts: 82
Likes: 0
Received 1 Like on 1 Post
Year: 1996
Model: Cherokee
Engine: 4.0 H.O.
Default

wow i guess i am too scared of breaking anything on my jeep. i come to a complete stop and put my jeep in park b4 i even think about changing into part or full time 4wd. it just keeps me sure that i am not putting stress on my drivetrain. some times it is a bear to get out of 4wd back into 2wd. but i just back up about 10 feet then put it in d then go forward a few feet and it changes back no problem.
Old 03-19-2012, 11:27 AM
  #8  
CF Veteran
 
stev-o's Avatar
 
Join Date: Nov 2011
Location: phoenix az
Posts: 1,290
Likes: 0
Received 0 Likes on 0 Posts
Year: 1989
Model: Cherokee
Engine: 4.0l 6 cylinder
Default

Originally Posted by Bigwillie
wow i guess i am too scared of breaking anything on my jeep. i come to a complete stop and put my jeep in park b4 i even think about changing into part or full time 4wd. it just keeps me sure that i am not putting stress on my drivetrain. some times it is a bear to get out of 4wd back into 2wd. but i just back up about 10 feet then put it in d then go forward a few feet and it changes back no problem.
Same wen I did it moving it clunked really hard and didn't go into v gear so I just stop in nuetral
Old 03-19-2012, 03:34 PM
  #9  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,875
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default

Read the owner's manual, boys. Stop only to shift into or out of 4 low.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
98XJSPORTSATINJADED
Cherokee Chat
22
01-05-2016 09:38 PM
kjc
Engines/Tranny/T-Case
0
08-25-2015 07:29 PM
NM-XJ
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
7
08-25-2015 04:58 AM
XJ96Sport
Modified XJ Cherokee Tech
11
08-24-2015 12:58 PM
SwankyXJ
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
11
08-22-2015 09:16 PM

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


Quick Reply: 4-wheel drive makes loud bang when disengaging



All times are GMT -5. The time now is 06:01 PM.