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Old Jul 31, 2008 | 01:37 AM
  #1  
Jeepster120's Avatar
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From: Oceanside, CA
Year: 1989
Model: Cherokee
Engine: 4.0L
Default Engine

Wondering what parts I should replace to keep the engine going. Don't have a whole lot of money and want to keep my jeep going.
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Old Jul 31, 2008 | 02:15 AM
  #2  
c-loss's Avatar
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Year: 1988
Model: Cherokee
Engine: 4.0
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first off whats wrong with it?
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Old Jul 31, 2008 | 02:16 AM
  #3  
Jeepster120's Avatar
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From: Oceanside, CA
Year: 1989
Model: Cherokee
Engine: 4.0L
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Not a whole lot. It still runs good. I would just like to keep it that way.
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Old Jul 31, 2008 | 03:03 AM
  #4  
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Year: 1994
Model: Cherokee
Engine: high output 4.0 liter
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if nothings really wrong just make sure you maintain it well. then you won't be having to worry about replacing parts! just save up some money for potential problems.
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Old Jul 31, 2008 | 06:13 AM
  #5  
xjjeepthing's Avatar
Short Bus Motorsports
 
Joined: Mar 2008
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From: Plymouth Indiana
Year: 2001
Model: Cherokee
Engine: 4.0
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Big thing is the maintanence. Keep the fluids changed, check the belts and hoses for cracks and dry rot, replace as needed
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Old Jul 31, 2008 | 06:14 AM
  #6  
Bouncy's Avatar
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Joined: May 2008
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From: Monroe, MI
Year: 1990
Model: Cherokee
Engine: 4.7 Stroker
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Do general maintainence on it.

Maybe some fuel injector cleaner...dump in gas tank.

Jeep/Chrysler sells the Combustion Chamber Cleaner...CCC. Its a spray you put through the throttle body while engine is running. Read the directions. They say to put two cans of it through the motor at a time.

Given I tore down and rebuilt a 215k mile motor for a stroker..and had used it. I was stunned to see the clean valves, chambers of the head etc. It actually does a pretty good job.

Otherwise...Just change the oil...good air filter...keep the motor running about 200 degrees and try not to overheat it. Should be good for 200k at least...if not more.
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Old Jul 31, 2008 | 06:51 AM
  #7  
muddeprived's Avatar
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From: W-PA
Year: 2001
Model: Cherokee
Engine: 4.0
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Originally Posted by Bouncy
Do general maintainence on it.

Maybe some fuel injector cleaner...dump in gas tank.

Jeep/Chrysler sells the Combustion Chamber Cleaner...CCC. Its a spray you put through the throttle body while engine is running. Read the directions. They say to put two cans of it through the motor at a time.

Given I tore down and rebuilt a 215k mile motor for a stroker..and had used it. I was stunned to see the clean valves, chambers of the head etc. It actually does a pretty good job.

Otherwise...Just change the oil...good air filter...keep the motor running about 200 degrees and try not to overheat it. Should be good for 200k at least...if not more.
Isn't Seafoam the same as the CCC ? I use seafoam to clean my motor.
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Old Jul 31, 2008 | 07:22 AM
  #8  
Bouncy's Avatar
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Joined: May 2008
Posts: 490
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From: Monroe, MI
Year: 1990
Model: Cherokee
Engine: 4.7 Stroker
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Originally Posted by muddeprived
Isn't Seafoam the same as the CCC ? I use seafoam to clean my motor.
Never used or seen seafoam...heard about it though. Don't know if its sold around here.
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Old Jul 31, 2008 | 07:33 AM
  #9  
muddeprived's Avatar
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From: W-PA
Year: 2001
Model: Cherokee
Engine: 4.0
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Originally Posted by Bouncy
Never used or seen seafoam...heard about it though. Don't know if its sold around here.
http://www.seafoamsales.com/
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Old Jul 31, 2008 | 10:40 AM
  #10  
BlueXJ's Avatar
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Joined: Mar 2008
Posts: 24,653
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From: In yourz postez fissin jurr spelinzs
Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
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Seafoam is found in most parts stores and even at PeP Boys.
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Old Jul 31, 2008 | 12:42 PM
  #11  
okcjeeper's Avatar
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Joined: May 2008
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From: Okc area
Year: 1991
Model: Cherokee
Engine: 4.0 I6
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I agree with what folks say here..routine maintenance, oil changes, tuneups and what not will extend the life of any motor/vehicle. Keep an eye out for leaks or any new and odd noises..Diagnose them and do not let them go without being fixed..One of the biggest mistakes people make is not fixing something when it happens and letting it goes until it then damages something else and so on..
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