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How long do 4.0s really last?

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Old Jan 13, 2019 | 07:40 AM
  #121  
pioneer1's Avatar
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From: brantford
Year: 1-1985,1-1987,1-1998
Model: Cherokee (XJ)
Engine: all 4.0's
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my 87 xj has 458.000 and still runs
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Old Jan 13, 2019 | 09:24 AM
  #122  
The Joey's Avatar
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Joined: Dec 2016
Posts: 39
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Model: Cherokee
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My 95' XJ has 63,000 original miles on it. Still running like new. LOL It might make it to 300,000 but I don't think I'll see it.
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Old Jan 13, 2019 | 11:41 AM
  #123  
downs's Avatar
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Joined: Oct 2018
Posts: 1,096
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From: Hunt County Texas
Year: 1995
Model: Cherokee (XJ)
Engine: 4.0L
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94 2wd XJ. Killed by a van with 160k miles on it in 2000.

2000 XJ 190k miles when I sold it

97 XJ 195k when I sold it. Previous owner swapped in a 90k miles JY engine at 160k miles.

95 XJ (current) guesstimating 210k miles or so. History check when I bought it showed an odometer discrepancy between two registration years. One year was 195,000 the next was 178,000. I'm guessing a speedometer swap was performed at some time from a salvage unit. Unknown if this is the original engine.
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Old Jan 14, 2019 | 04:45 PM
  #124  
WyoCherokee's Avatar
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Joined: Jan 2015
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From: Dont Colorado Wyoming
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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235,000 miles. still holding 60lbs oil pressure at idle
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Old Jan 15, 2019 | 12:37 PM
  #125  
44DSL's Avatar
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Joined: Oct 2012
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From: RVA
Year: 1998
Model: Cherokee
Engine: 4.0
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I have 3 '98 XJs...

4dr, lifted and improved, 174K
4dr, worn out, runs like a scalded dog, 258K
2dr, new to me, 263K

All going strong!
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Old Jan 18, 2019 | 06:47 PM
  #126  
MotoBoss's Avatar
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Joined: Jan 2017
Posts: 85
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From: Indiana
Year: 2000
Model: Cherokee
Engine: 4.0
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2000 XJ with 193,724 a little noisy but runs strong with no oil use at all.
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Old Jan 18, 2019 | 07:58 PM
  #127  
renogeno's Avatar
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Joined: Nov 2012
Posts: 59
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From: Reno,NV
Year: 1992
Model: Cherokee
Engine: 4.7 Stroker
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Had to replace at 143,500..........Heat blew it up on hunt trip. Now have 4.7 stroker
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Old Mar 15, 2022 | 08:35 PM
  #128  
Quick335i's Avatar
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Model: Cherokee (XJ)
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Originally Posted by odgreen
I've got 390k on mine. Lil noisy. But runs just fine.
310k on my 98 two door manual 4x4, runs GREAT!!
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Old Mar 17, 2022 | 04:06 AM
  #129  
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Joined: Jul 2015
Posts: 694
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Year: 1989
Model: Cherokee
Engine: 4.0
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Had a 94 with 272,000 miles on it when I finally stopped driving it. It was beat and basically horribly taken care of but it was still running pretty dang good all things considered. I guarantee you it was run hot 100 times or more (long story). Never even blew the head gasket.

I got my 89 and the 94 was so beat by then and it was beginning to not want to crank during or directly after a rain (????) so I finally retired it.

My 89 has 125,000 miles on it. I am taking much better care of it. I try to keep my grounds cleaned, the oil changed, the transmission fluid topped off, and it's only even been run all the way hot once, it was right after I got it and I forgot the coolant was empty after working on it haha.

Sometimes in the Summer it was wanting to to creep up in traffic. I'd cut it off at a stop light before I let it run hot or pull over for 10 minutes. I finally seemed to mostly solve that with a new radiator and flushing it every Summer really good to clean everything out, then use fresh coolant and keep it topped off. Hope this year it does ok in the heat.

I have seen them in the junk yards many times with 250,000 to 350,000 miles.

Still trying to find one with at least 500,000 miles. I read a story about a man once who had an XJ with over 600,000 miles. Original owner and he took extremely care of it.

I found the story. It's a Renix manual. This is from 2011. Simply Incredimail. I wonder where it's at now?
https://www.allpar.com/threads/jan-r...erokee.237298/


Last edited by Chick-N-Picker; Mar 17, 2022 at 04:14 AM.
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Old Mar 17, 2022 | 05:50 AM
  #130  
coyjake's Avatar
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Joined: Jan 2022
Posts: 2
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From: Ocala,Fl
Year: 1998 and 2000
Model: Cherokee (XJ)
Engine: Titan 4.0
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I have a 98 as a DD with 228,000. No smoke or oil burn. Still runs great with original motor.



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Old Mar 17, 2022 | 02:40 PM
  #131  
Winterhawk's Avatar
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Joined: Aug 2021
Posts: 156
Likes: 57
Model: Cherokee (XJ)
Engine: 4.0
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Originally Posted by WyoCherokee
235,000 miles. still holding 60lbs oil pressure at idle
Sorry, but your gauge is wrong or the sending unit is broken. 60 psi ain't happening at idle.
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Old Mar 17, 2022 | 05:45 PM
  #132  
Lynn Gräber's Avatar
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Joined: Feb 2021
Posts: 332
Likes: 72
From: Nashville
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0
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my 2001 just passed 250k yesterday. im the second owner but bought it 20 years ago with only 15k on it. I’ve taken decent care of it and it hasn’t let me down. Celebrated yesterday by getting stuck in the mud and winching myself out. Lol

major repairs have been

head gasket at like 75k.

completely replaced cooling system twice, preventative.

bearings, bushings. Usual stuff.

still runs great and everything works. Just leaks a little oil at the moment.





Last edited by Lynn Gräber; Mar 17, 2022 at 05:49 PM.
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Old Mar 22, 2022 | 10:29 PM
  #133  
evil_goat's Avatar
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Joined: Jan 2021
Posts: 324
Likes: 27
From: North North California
Year: 1992 with 260k miles
Model: Cherokee (XJ)
Engine: 4.0 Inline 6
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My '92 is at 260k, and is still running good. Or at least the engine is.
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Old Mar 27, 2022 | 07:51 AM
  #134  
Tccolv's Avatar
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Joined: Oct 2020
Posts: 9
Likes: 3
From: N. Carolina
Year: 1995
Model: Cherokee (XJ)
Engine: 4.0
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Geez, feel like my ‘95 2d SE is a spring chicken with 86K miles
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