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Unread 09-10-2010, 08:14 AM   #1
Registered User
2004 TJ Wrangler 
Join Date: Jul 2007
Location: Wantage, NJ / Blacksburg, VA
Posts: 210
90,000 Miles Maintenance

Hi all,

I have search and looked through the maintenance schedule, but I would like your input to see if I am missing any major maintenance items.

I have:

Serviced both diffs this past winter (probably do them again in the winter) (<15,000 miles ago)
Serviced transmission this summer
Serviced transfercase last summer (<15,000 miles ago)
Replaced coolant this summer
Change oil/filter, lubed up the front end, and rotate tires every 3-5k miles
Replaced brake fluid last summer (<15,000 miles ago)
Will be replacing air filter before winter
Changed power steering fluid this summer
My spark plugs (Autolite platinum plugs) probably need to be looked at, I changed them about 30,000 miles ago
I checked my brake pads and rotors and they are still good
I know I need to change my serp belt soon, but I am monitoring that

I think that includes all the major maintenance I have done recently. Any help on what I am overlooking?


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Unread 09-10-2010, 08:31 AM   #2
bniedert's Avatar
2000 TJ Wrangler 
Join Date: May 2005
Location: Oswego, IL
Posts: 348
my 2000 TJ FSM calls out...

90,000 Miles (144 000 km) or at 72 months
Change engine oil.
Replace engine oil filter.
Replace engine air cleaner element.
Replace spark plugs.
Inspect drive belt, adjust tension as necessary (2.5L only).
Inspect drive belt and replace as needed (4.0L
Lubricate steering linkage.
Drain and refill transfer case fluid.
Inspect brake linings.
Lubricate steering and suspension ball joints.
Oswego, IL
2000 TJ 4.0 5 Speed - currently
Formerly: 2000 TJ 4.0 Auto REBB
2001 XJ 4.0 Auto
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Unread 09-10-2010, 10:12 AM   #3
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2004 TJ Wrangler 
Join Date: Jul 2007
Location: Wantage, NJ / Blacksburg, VA
Posts: 210
Thank you for the quick reply. I have reviewed the FSM, but I was wondering if there is anything which people change more frequently than the FSM which I may have missed. For example, I do not believe the FSM ever calls for changing manual transmission fluid, yet many people do this every 30,000 miles.
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Unread 09-11-2010, 04:27 PM   #4
Night Wolf
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2005 TJ Wrangler 
Join Date: Jul 2005
Location: Macon, Georgia
Posts: 945
probably be a good idea to change the 4 coolant hoses as preventative maintenance
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Unread 09-11-2010, 06:16 PM   #5
Registered User
2003 TJ Wrangler 
Join Date: Sep 2010
Location: Lake Jackson
Posts: 12
Inspect all the steering linkages and ball joints also, maybe an alignment. I think all the other comments have you covered fairly well.

Most of the time we overlook all of the things. Great job researching and asking questions!
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Unread 09-11-2010, 08:23 PM   #6
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1997 TJ Wrangler 
Join Date: Oct 2008
Location: Jacksonville,Fl
Posts: 768
Your list covers about everything I would test the battery & clean the terminals if needed.Replace cooling system hoses if they are original,If it's a stick check clutch fluid,check all lights to see if any bulbs need replacement,wiper blades?
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