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XJ Ask the Question Thread
Member
Joined: Jun 2010
Posts: 111
Likes: 1
From: Walnut Creek, CA
Year: 1991
Model: Cherokee
Engine: 4.0 liter
On the 91 XJ I bought the power seats don't work. Instead of tracking the problem, I was looking to change it to manual seats. Would I be able to just change the brackets? Or would there be more to it?
Thanks
Thanks
☠ 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
Junior Member
Joined: Nov 2010
Posts: 61
Likes: 0
From: Gresham
Year: 1999
Model: Cherokee
Engine: 4.0
So I thought I had it down, guess not... I thought all 98 and 99 XJ's had the 8.25 rear end? I just went and looked at a 99 sport and it had the dana. Then I looked at a 98 and limited i think? and it had the 8.25.... I'm driving an hour to look at one to buy. It's a lady and she won't know what i'm talking about if I asked her... How do I know what rear end it has before I drive all the way out there?
If it has a factory tow hitch it has the 8.25? If it doesn't have a factory hitch it will not have the 8.25? Confused....
If it has a factory tow hitch it has the 8.25? If it doesn't have a factory hitch it will not have the 8.25? Confused....
CF Veteran
Joined: Sep 2010
Posts: 1,992
Likes: 0
From: West Bloomfield,MI
Year: 1996
Model: Cherokee
Engine: 4.0L, CAI, Edelbrock Breather, Optima Yellowtop
Is it at all possible to swap a digital cluster from let's say an 80s lebaron into an XJ? I love the look of those things and I have always wanted accurate readings because my cluster doesn't give them at all. Would I have to replace all the sending units if the swap is possible? Also does anyone know of a compatible cluster that would be closer to plug n play than other clusters?
☠ 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
So I thought I had it down, guess not... I thought all 98 and 99 XJ's had the 8.25 rear end? I just went and looked at a 99 sport and it had the dana. Then I looked at a 98 and limited i think? and it had the 8.25.... I'm driving an hour to look at one to buy. It's a lady and she won't know what i'm talking about if I asked her... How do I know what rear end it has before I drive all the way out there?
If it has a factory tow hitch it has the 8.25? If it doesn't have a factory hitch it will not have the 8.25? Confused....
If it has a factory tow hitch it has the 8.25? If it doesn't have a factory hitch it will not have the 8.25? Confused....
**EDIT: just remembered a way - if it has ABS, it does NOT have the c8.25. Also most tow package XJs had the D35.**

Last edited by dukie564; Nov 17, 2010 at 01:53 PM. Reason: new info
Junior Member
Joined: Nov 2010
Posts: 61
Likes: 0
From: Gresham
Year: 1999
Model: Cherokee
Engine: 4.0
no way to tell without looking at it. Ask her to take a picture of the rear axle and send it to you. The 8.25 has a very pronounced flat part on the bottom of the pumpkin (although not very evident in this picture)
**EDIT: just remembered a way - if it has ABS, it does NOT have the c8.25. Also most tow package XJs had the D35.**


**EDIT: just remembered a way - if it has ABS, it does NOT have the c8.25. Also most tow package XJs had the D35.**


So the 8.25 was a special order option. Or they just put different rear ends in the same years randomly? Wish I knew for sure.. Oh well. Thanks for the pictures!
Newbie
Joined: Nov 2010
Posts: 5
Likes: 0
From: Huntersville, NC
Year: 1990
Model: Cherokee
Engine: 4.0 L6
ok.. question
bought my 90 XJ off a tennesse fella about two or three months ago.. was working for a chrysler dealer at the time.. and the older tech who was helping me make her road worthy had me replace the fluids... we fixed the vacuum shift issues... and then told me to just drive it till i found something else..
well.. i took my father and our two dogs to drive on the beach down at Carolina Beach and the State Park down there..
Jeep did fine all day..
Coming home somehow the Serpentine belt got caught in the fan.. (damn thing doesn't have a shroud.. keep waiting for someone to loose a finger)
we were about 10 miles from elizabethtown when i felt the serpentine belt go.. (all of a sudden i had no power steering.. the coolant and battery charge light all came on.. )
so instead of pulling her over.. I pushed on towards Elizabethtown... the area we were in was very dangerous.. and i had left my CCW at home that day...
so we get her to Advanced auto.. where the upper hose to the radiator Blows up literally in my face...
after towing the jeep home.. I replace the Water Pump, Thermostat, Serpentine Belt, Upper and Lower Hoses...
Check the tension and coolant levels and run the jeep..
everything seems fine so i pack her up and get ready to head back to charlotte for work on monday.. only to get about a mile down the road and the Temp Light comes on... I make it to a gas station before she just Cuts off on me..
so theres the back story..
now to the problem..
what happened? did i blow the Head Gasket? do these engines have Head Gaskets.. i vaguely remember a tech telling me they didnt.. only valve covers..
Just trying to crank the jeep to see what else is wrong.. (when the upper hose blew it kinda melted some of the vacuum lines for the idle.. )
I have voltage at the battery.. 12.9v I get power at the Dash when I insert the key..
but what doesnt happen.. no crank from the starter..
the brake saftey switch was giving me some trouble.. has anyone had to replace that thing? im not familiar with brake saftey switches in A/T... as this is my first A/T... Always preferred 5 Speeds.. till I hurt my knee..
So I need to figure out what all is F#$ked up so i can decide should I -A Rebuild the Engine, -B Replace the Engine, -C Replace Engine and Wiring Harnesses... or - D buy a newer or different XJ....
thx for reading this far...
-GreaseMonkEE
bought my 90 XJ off a tennesse fella about two or three months ago.. was working for a chrysler dealer at the time.. and the older tech who was helping me make her road worthy had me replace the fluids... we fixed the vacuum shift issues... and then told me to just drive it till i found something else..
well.. i took my father and our two dogs to drive on the beach down at Carolina Beach and the State Park down there..
Jeep did fine all day..
Coming home somehow the Serpentine belt got caught in the fan.. (damn thing doesn't have a shroud.. keep waiting for someone to loose a finger)
we were about 10 miles from elizabethtown when i felt the serpentine belt go.. (all of a sudden i had no power steering.. the coolant and battery charge light all came on.. )
so instead of pulling her over.. I pushed on towards Elizabethtown... the area we were in was very dangerous.. and i had left my CCW at home that day...
so we get her to Advanced auto.. where the upper hose to the radiator Blows up literally in my face...
after towing the jeep home.. I replace the Water Pump, Thermostat, Serpentine Belt, Upper and Lower Hoses...
Check the tension and coolant levels and run the jeep..
everything seems fine so i pack her up and get ready to head back to charlotte for work on monday.. only to get about a mile down the road and the Temp Light comes on... I make it to a gas station before she just Cuts off on me..
so theres the back story..
now to the problem..
what happened? did i blow the Head Gasket? do these engines have Head Gaskets.. i vaguely remember a tech telling me they didnt.. only valve covers..
Just trying to crank the jeep to see what else is wrong.. (when the upper hose blew it kinda melted some of the vacuum lines for the idle.. )
I have voltage at the battery.. 12.9v I get power at the Dash when I insert the key..
but what doesnt happen.. no crank from the starter..
the brake saftey switch was giving me some trouble.. has anyone had to replace that thing? im not familiar with brake saftey switches in A/T... as this is my first A/T... Always preferred 5 Speeds.. till I hurt my knee..
So I need to figure out what all is F#$ked up so i can decide should I -A Rebuild the Engine, -B Replace the Engine, -C Replace Engine and Wiring Harnesses... or - D buy a newer or different XJ....
thx for reading this far...
-GreaseMonkEE
ok.. question
bought my 90 XJ off a tennesse fella about two or three months ago.. was working for a chrysler dealer at the time.. and the older tech who was helping me make her road worthy had me replace the fluids... we fixed the vacuum shift issues... and then told me to just drive it till i found something else..
well.. i took my father and our two dogs to drive on the beach down at Carolina Beach and the State Park down there..
Jeep did fine all day..
Coming home somehow the Serpentine belt got caught in the fan.. (damn thing doesn't have a shroud.. keep waiting for someone to loose a finger)
we were about 10 miles from elizabethtown when i felt the serpentine belt go.. (all of a sudden i had no power steering.. the coolant and battery charge light all came on.. )
so instead of pulling her over.. I pushed on towards Elizabethtown... the area we were in was very dangerous.. and i had left my CCW at home that day...
so we get her to Advanced auto.. where the upper hose to the radiator Blows up literally in my face...
after towing the jeep home.. I replace the Water Pump, Thermostat, Serpentine Belt, Upper and Lower Hoses...
Check the tension and coolant levels and run the jeep..
everything seems fine so i pack her up and get ready to head back to charlotte for work on monday.. only to get about a mile down the road and the Temp Light comes on... I make it to a gas station before she just Cuts off on me..
so theres the back story..
now to the problem..
what happened? did i blow the Head Gasket? do these engines have Head Gaskets.. i vaguely remember a tech telling me they didnt.. only valve covers..
Just trying to crank the jeep to see what else is wrong.. (when the upper hose blew it kinda melted some of the vacuum lines for the idle.. )
I have voltage at the battery.. 12.9v I get power at the Dash when I insert the key..
but what doesnt happen.. no crank from the starter..
the brake saftey switch was giving me some trouble.. has anyone had to replace that thing? im not familiar with brake saftey switches in A/T... as this is my first A/T... Always preferred 5 Speeds.. till I hurt my knee..
So I need to figure out what all is F#$ked up so i can decide should I -A Rebuild the Engine, -B Replace the Engine, -C Replace Engine and Wiring Harnesses... or - D buy a newer or different XJ....
thx for reading this far...
-GreaseMonkEE
bought my 90 XJ off a tennesse fella about two or three months ago.. was working for a chrysler dealer at the time.. and the older tech who was helping me make her road worthy had me replace the fluids... we fixed the vacuum shift issues... and then told me to just drive it till i found something else..
well.. i took my father and our two dogs to drive on the beach down at Carolina Beach and the State Park down there..
Jeep did fine all day..
Coming home somehow the Serpentine belt got caught in the fan.. (damn thing doesn't have a shroud.. keep waiting for someone to loose a finger)
we were about 10 miles from elizabethtown when i felt the serpentine belt go.. (all of a sudden i had no power steering.. the coolant and battery charge light all came on.. )
so instead of pulling her over.. I pushed on towards Elizabethtown... the area we were in was very dangerous.. and i had left my CCW at home that day...
so we get her to Advanced auto.. where the upper hose to the radiator Blows up literally in my face...
after towing the jeep home.. I replace the Water Pump, Thermostat, Serpentine Belt, Upper and Lower Hoses...
Check the tension and coolant levels and run the jeep..
everything seems fine so i pack her up and get ready to head back to charlotte for work on monday.. only to get about a mile down the road and the Temp Light comes on... I make it to a gas station before she just Cuts off on me..
so theres the back story..
now to the problem..
what happened? did i blow the Head Gasket? do these engines have Head Gaskets.. i vaguely remember a tech telling me they didnt.. only valve covers..
Just trying to crank the jeep to see what else is wrong.. (when the upper hose blew it kinda melted some of the vacuum lines for the idle.. )
I have voltage at the battery.. 12.9v I get power at the Dash when I insert the key..
but what doesnt happen.. no crank from the starter..
the brake saftey switch was giving me some trouble.. has anyone had to replace that thing? im not familiar with brake saftey switches in A/T... as this is my first A/T... Always preferred 5 Speeds.. till I hurt my knee..
So I need to figure out what all is F#$ked up so i can decide should I -A Rebuild the Engine, -B Replace the Engine, -C Replace Engine and Wiring Harnesses... or - D buy a newer or different XJ....
thx for reading this far...
-GreaseMonkEE
The fact that you ran the jeep for 10 miles with what might as well have been no water pump and THEN the radiator hose blew off makes me wonder if you warped the head. Especially since it apparently overheated the day after also. You need to check your oil and coolant to make sure they aren't mixing.
Yes these engines have head gaskets. ALL engines with cylinder heads have head gaskets. If Your "tech/mechanic" told you it didn't, might I suggest a new tech, as it sounds like he doesn't know the difference between a screw driver and a bus driver... Sorry, that just kinda stuck out, and I hate seeing people that don't know get suckered...
BTW, you're about 5 miles from me. Davidson, NC. Might I suggest getting it towed to the Griffin Brothers in Cornelius? At least to have it looked over. They (we- I work there) will tell you what's wrong without all the run around (request to have Chad check it over, tell them Eric recommended). You don't have to have it fixed there- you can have it checked and then have it towed back home and fix it yourself if you want. One word of advice though- fixing whatever is found may uncover other problems, so be prepared...
Last edited by damageincracing; Nov 18, 2010 at 07:28 AM.
Thread Starter
CF Veteran
Joined: Jun 2009
Posts: 5,383
Likes: 5
Year: 1988 limited
Model: Cherokee
Engine: 4.0 litre
if the NSS was giving you issues it probably needs to be replaced. Thats beside the point though.
The fact that you ran the jeep for 10 miles with what might as well have been no water pump and THEN the radiator hose blew off makes me wonder if you warped the head. Especially since it apparently overheated the day after also. You need to check your oil and coolant to make sure they aren't mixing.
The fact that you ran the jeep for 10 miles with what might as well have been no water pump and THEN the radiator hose blew off makes me wonder if you warped the head. Especially since it apparently overheated the day after also. You need to check your oil and coolant to make sure they aren't mixing.
Yes there is a gasket and fix the vacuum lines that are prolly the cause for the engine stalling.
Junior Member
Joined: Aug 2010
Posts: 85
Likes: 0
From: BC Canada
Year: 1988
Model: Cherokee
Engine: 4.0 L
no way to tell without looking at it. Ask her to take a picture of the rear axle and send it to you. The 8.25 has a very pronounced flat part on the bottom of the pumpkin (although not very evident in this picture)
**EDIT: just remembered a way - if it has ABS, it does NOT have the c8.25. Also most tow package XJs had the D35.**


**EDIT: just remembered a way - if it has ABS, it does NOT have the c8.25. Also most tow package XJs had the D35.**


Also, I see you have a bit more mileage than my 89 XJ. Is your spewing out the oily cheese from the PCV? I have mine routed into a Skippy jar to keep the air filter oil free.
☠ 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
no mine used to blow a little oil into the filter, but then i replaced the Vac lines for the manifold to CCV fitting and no blow-by since. Seems to be a common problem on the Renix XJs though. You can try replacing the CCV tubes (~$17 at the dealership) and cleaning the CCV fitting and see if that helps - it should.




