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XJ Ask the Question Thread
Ive got a bearing noise somewhere in back I am hoping to get some ideas on.
Here are the symptoms
1- Its most noticeable at the 35-40 mph range but definitely doesn't go away by going faster. I think the road noise at higher speeds start drowning it out.
2- If I let off the gas and coast it gets pretty quiet.
3- If I turn right it gets worse.
4- If I turn left it almost entirely goes away.
Do you think is it a wheel bearing, carrier bearing, or a spindle bearing? I hope its not the spindle because thats the one I dont feel confident I can do myself.
Here are the symptoms
1- Its most noticeable at the 35-40 mph range but definitely doesn't go away by going faster. I think the road noise at higher speeds start drowning it out.
2- If I let off the gas and coast it gets pretty quiet.
3- If I turn right it gets worse.
4- If I turn left it almost entirely goes away.
Do you think is it a wheel bearing, carrier bearing, or a spindle bearing? I hope its not the spindle because thats the one I dont feel confident I can do myself.
CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
Originally Posted by Jeepyjeepy
Extra tools is always good
Newbie
Joined: Dec 2011
Posts: 8
Likes: 0
From: Seattle,Washington
Year: 2001
Model: Cherokee
Engine: 4.0
[QUOTE=salad;1450755]It can crack in a few places, obviously near welds... most seem to be on the pipe from cyls 3-6 where they meet the collector to the flange. I had a crack and actually a hole in mine. As a result the raw exhaust causes the smell and fresh air gets into the exhaust system, fooling the O2 sensor and the ECU into thinking that it's running lean and dump more fuel in.[/QUOTE
Thanks for the help ,i did check on the ac coming on while the defrost is on ,and you were right, so im leaving that off ,i checked for cracks in the exaust and didnt find any...i also checked on the 02 sensors and they looked brand new,I mean really new, is therea difference between the top and bottom sensors? Could the previous owner have put them in backwards...I just bought this thing andI knowi should be getting more then 9 or 10 miles per gallon ...... Any more ideas?
Thanks for the help ,i did check on the ac coming on while the defrost is on ,and you were right, so im leaving that off ,i checked for cracks in the exaust and didnt find any...i also checked on the 02 sensors and they looked brand new,I mean really new, is therea difference between the top and bottom sensors? Could the previous owner have put them in backwards...I just bought this thing andI knowi should be getting more then 9 or 10 miles per gallon ...... Any more ideas?
I just bought a 99 Cherokee Sport, with the NP231 TCase. It did not come with an owners manual and it has been 15 years since I owned a Jeep. I can't remember what the procedure for shifting the NP231 TCase. I know I can go into 4H at certain speeds but what is the correct procedure for shifting into 4L?
I have an owners manual ordered but it won't be here for a few days and I plan to go out tomorrow.
I did a search of the forum and read hundreds of posts but couldn't find the instructions.
Your help is appreciated.
RSWiser
I have an owners manual ordered but it won't be here for a few days and I plan to go out tomorrow.
I did a search of the forum and read hundreds of posts but couldn't find the instructions.
Your help is appreciated.
RSWiser
Hi everyone. I wonder if you guys could help me identify some hacked wires in my engine bay. I haven't been able to find much wiring information for it. The Cherokee is an '89 Pioneer with a 4.0, 5-speed manual, and 4x4.
The hacked wires are located in the harness behind the driver's side headlight and there are two sets, both leaving the harness within an inch of each other. Unfortunately, I don't have a camera right now.
One set is one black wire, and one red wire with a white stripe. The other set is one yellow wire, and one grey wire with a black stripe.
Leaving the harness from very near these sets of wires is an orange and grey rectangle, and I have no clue what that is, either.
I'm pretty sure that one of the sets of wires should be going to the sensor on the electric fan.
I'm sorry, I know this is a lot to take in lol. Thank you for any help you can give, I very much appreciate it.
The hacked wires are located in the harness behind the driver's side headlight and there are two sets, both leaving the harness within an inch of each other. Unfortunately, I don't have a camera right now.
One set is one black wire, and one red wire with a white stripe. The other set is one yellow wire, and one grey wire with a black stripe.
Leaving the harness from very near these sets of wires is an orange and grey rectangle, and I have no clue what that is, either.
I'm pretty sure that one of the sets of wires should be going to the sensor on the electric fan.
I'm sorry, I know this is a lot to take in lol. Thank you for any help you can give, I very much appreciate it.
Seasoned Member
Joined: Jan 2011
Posts: 295
Likes: 0
From: Roscoe, IL
Year: 2000
Model: Cherokee
Engine: 4.0L 242 Power Tech I6
Originally Posted by RSWiser
I just bought a 99 Cherokee Sport, with the NP231 TCase. It did not come with an owners manual and it has been 15 years since I owned a Jeep. I can't remember what the procedure for shifting the NP231 TCase. I know I can go into 4H at certain speeds but what is the correct procedure for shifting into 4L?
I have an owners manual ordered but it won't be here for a few days and I plan to go out tomorrow.
I did a search of the forum and read hundreds of posts but couldn't find the instructions.
Your help is appreciated.
RSWiser
I have an owners manual ordered but it won't be here for a few days and I plan to go out tomorrow.
I did a search of the forum and read hundreds of posts but couldn't find the instructions.
Your help is appreciated.
RSWiser
Moderator of Jeeps
Joined: Jul 2011
Posts: 21,029
Likes: 3
From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
Bought a V8 ZJ tie rod, but one of the ends has no bushing. Can I replace the bushing or am I better off replacing the TRE? Either way, anyone have a cheap source?
Newbie
Joined: Aug 2011
Posts: 7
Likes: 0
From: Noordhoek, Cape Town, South Africa
Year: 1998
Model: Cherokee
Engine: 4Lt
I am having what appears to be an over heating auto box, as only when in 4 low(sand) or towing, the engine cuts out for different times depending on the ambient temp and wind etc, then it starts and off again???
Anyone experienced this, its very frustrating indeed and embarrassing when with other makes of 4x4??
Leon Halliday
Anyone experienced this, its very frustrating indeed and embarrassing when with other makes of 4x4??
Leon Halliday
Seasoned Member
Joined: Jan 2011
Posts: 295
Likes: 0
From: Roscoe, IL
Year: 2000
Model: Cherokee
Engine: 4.0L 242 Power Tech I6
Originally Posted by NewKindOfClown
Bought a V8 ZJ tie rod, but one of the ends has no bushing. Can I replace the bushing or am I better off replacing the TRE? Either way, anyone have a cheap source?
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
I used these:
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
the only way to test it is to take it out and stick it in some boiling water
Senior Member
Joined: Dec 2011
Posts: 669
Likes: 0
From: Central Arkansas
Year: 1996
Model: Cherokee
Engine: 4.0L
Originally Posted by dukie564
the only way to test it is to take it out and stick it in some boiling water
okay, new to jeeping, im 16 and have a 2001 xj sport,,,, so i went wheeling with my dad,and all was going good untill theres a water hole blocking the trail, so i gh for it,, truck dies ,, we pull it out and all is okay alittle soggy but okay. so this morning i go to clean (suck the water out of the floor boards) and go to start it and it wont idle. anyone have this issue or any ideas to try anu thoughts would be appreshated
(running just wont idle)
(running just wont idle)
Last edited by Owens; Jan 13, 2012 at 03:31 PM.




