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Unread 05-22-2012, 07:15 AM   #1
jklanier84
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2002 KJ Liberty 
 
Join Date: Sep 2011
Location: Orlando, Florida
Posts: 201
100,000 mile checklist???

Hey everybody,
So here's the deal:
I've had my 02 Lib about six months and love it. But its pushing 110,000mi and i need to know what i need to do as far as preventative maintanence and things that NEED to be upgraded.
Details:
2002 Liberty Sport 3.7L 4x4
new radiator, k&n filter

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Unread 05-22-2012, 10:37 AM   #2
mikey1273
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2006 KJ Liberty 
 
Join Date: Dec 2010
Location: york, pa
Posts: 65
Since its a gasser you don't have to worry about a timing belt since you have a chain.

I would look into doing a tune up, changing the serpentine belt, Radiator hoses, thermostat, cooling system flush, oil change and do tranny, diff, and transfer case fluids if they have not been done in some time or you don't know.

the belts and cooling system items are what cause most breakdowns on the road.
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Unread 05-22-2012, 10:51 AM   #3
jklanier84
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2002 KJ Liberty 
 
Join Date: Sep 2011
Location: Orlando, Florida
Posts: 201
It's got a brand new radiator as of three days ago. that was fun btw... the belt is brand new, oil change last week, K&N air filter yesterday.
while i had it apart i looked the hoses over and they look fine.

so that leaves tranny, dif, and transfer case fluids... anything else?
i was thinking about changing the plugs and adding the stock fog/driving lights in the bumper that the renegades have and/or the renegade roof light bar...

any tips on exhaust or smalll lifts? im thinking maybe an inch or two lift and a 'quiet-ish' cat back
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Unread 05-22-2012, 11:01 AM   #4
tjkj2002
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Join Date: Dec 2009
Location: Colorado
Posts: 8,040
Take K&N out and throw in trash,install $4 paper airfilter,that's the 1st thing that should be done,better filtration and cleaner oil that way.
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'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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Unread 05-22-2012, 11:17 AM   #5
Mitchell420tj
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2003 TJ Wrangler 
 
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Posts: 464
This is a good thread lol I'm only 19 so when I get to have that many miles on my jeep ill have a checklist waiting lol
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Unread 05-22-2012, 01:14 PM   #6
MoD
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2005 KJ Liberty 
 
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Location: elkhart, Indiana
Posts: 241
yeah i am not a fan of the k&n at all but i do love my amsoil...but the $4filters arent bad
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Unread 06-19-2012, 10:00 AM   #7
jklanier84
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2002 KJ Liberty 
 
Join Date: Sep 2011
Location: Orlando, Florida
Posts: 201
Okay just thought id summarize real quick.

At 100,000 mi. It would be smart to inspect the following;

Serpintine belt
Radiator hoses and coolant (flush if needed) (HOAT coolant only)
Water pump
Sway bar bushings
Ball joints
Cv joint boots
Driveshaft cv joint seals
Brake rotors and pads / drums and shoes
A/C refrigerant (r134)
Windshield wiper blades

And the following should deffinatly be done;

Change oil and filter
Change air filter (stock paper filter is best)
Change transfer case fluid (atf+4)
Change front and rear differential fluids (80w-90 gear oil)
Change thermostat
Change spark plugs (regular copper core is best) (do this every 25-30k)

Okay i think thats about it. Did I miss anything or put any incorrect info on my list???
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Unread 06-19-2012, 01:18 PM   #8
tjkj2002
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2002 KJ Liberty 
 
Join Date: Dec 2009
Location: Colorado
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Quote:
Originally Posted by jklanier84 View Post
Okay just thought id summarize real quick.

At 100,000 mi. It would be smart to inspect the following;

Serpintine belt
Radiator hoses and coolant (flush if needed) (HOAT coolant only)
Water pump
Sway bar bushings
Ball joints
Cv joint boots
Driveshaft cv joint seals
Brake rotors and pads / drums and shoes
A/C refrigerant (r134)
Windshield wiper blades

And the following should deffinatly be done;

Change oil and filter
Change air filter (stock paper filter is best)
Change transfer case fluid (atf+4)
Change front and rear differential fluids (80w-90 gear oil)
Change thermostat
Change spark plugs (regular copper core is best) (do this every 25-30k)

Okay i think thats about it. Did I miss anything or put any incorrect info on my list???
Just change the serp belt and tensioner(they do wearout also),and only use a Gates EPDM belt or the OEM EPDM belt('02 KJ).Then keep the old belt and tensioner as backups.

Even though HOAT coolant is "rated" for 5 years or 150k you really should change it by 3 years or 75k to keep problems due to coolant issues from occuring.

Change trans fluid and filters every 60k at least and use ATF+4 only.If you keep on a regular OCI for the trans it's best to have a flush done every 30k and new filter(s) every 60k.

Don't forget to flush the brake fluid,with aluminum parts in the system it goes bad sooner.Should flush out every 2-3 years at least.Brake fluid is one of the most neglected fluids in your vehicle but a major one for safety.Smae goes for the power steering fluid.

The last item is the PCV valve,should be changed every 60k but at $5 for one changing it often is cheap insurance.
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Unread 07-10-2012, 07:38 PM   #9
jopina7807
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2007 KJ Liberty 
 
Join Date: Jun 2012
Location: Honolulu, HI
Posts: 87
Good to know! My Lib just hit 101k so I'll be looking to do some of this soon!
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