Jeep Clean Up Tips -
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post #1 of 5 Old 11-13-2019, 10:52 PM Thread Starter
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1999 TJ Wrangler 
Join Date: Aug 2016
Posts: 166
Jeep Clean Up Tips

Hi All,

I have had my 1999 TJ for almost 4 years now. For the past 2.5 it has been driven less than 500 miles as I am away at college across the country. It has about 90k miles on it. Recently I was planning on shipping it out to college. I plan on putting in AC with the Jeep Air kit. Along with that I plan to replace the heater core, water pump, and thermostat. I was wondering if there are any other repairs you would recommend to make sure that I don't have to spend an arm and a leg at a mechanic once I ship it as I have no tools or space to work? I was thinking about a new exhaust manifold, exhaust pipes, muffler, and cat as mine are getting a little old and noisy. Do you think this is a smart decision or should I save the $500 on all of that stuff?

I also plan on driving it 1,500 miles next may to an internship location and want to make sure it won't break down on me in the middle of nowhere.

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post #2 of 5 Old 11-14-2019, 01:01 AM
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2005 TJ Wrangler 
Join Date: Mar 2009
Posts: 338
At 90k miles I wouldn't expect any of that stuff to go out on you anytime too soon. However, if it's already making noise, the only way to properly evaluate would be a good visual inspection.
Plugs, wires, and distributor cap if those haven't been done recently.

As for preemptively replacing normal wear parts I'd check brakes, u-joints, and wheel bearings.

82 Wagoneer Limited WIP
87 MJ work truck
05 TJ SC'd Rubicon daily
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post #3 of 5 Old 11-14-2019, 03:36 AM
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2003 TJ Wrangler 
Join Date: Aug 2006
Location: charlottesHELL
Posts: 40,471
I only fix stuff that's broke or worn and needs to be replaced. The cat on my 98' was rattling bad. I replaced it with a Magnaflow direct fit with new down pipe (included). Contact Kolak on here. He has some really good prices and can help you out.

Kolak Performance and Offroad
Member: Specialty Equipment Market Association
Telephone: 480 998-3661
[email protected] or [email protected]

Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
GOT IT BACK 6/17. 03' Rubicon/Zone 4.25" combo lift with 4" lift coils up front/Zone hydro shocks/5.13 gears/35" Mickey Thompson MTZ P3 tires/Black Magic brakes. Jeep #17 & 19.
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post #4 of 5 Old 11-14-2019, 09:12 AM
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1998 TJ Wrangler 
Join Date: Oct 2015
Location: Lorton
Posts: 23
U-joints are easy to service. Since you say you will have no access to tools, I would definitely disassemble and re-grease the non-greaseable ones on the drive shafts - the others - just grease them. Be careful with the centering yokes and dust shield. Replace any suspect parts. I would leave the front axle u-joints alone - just pry at them to make sure there is no play in them.

Since you're draining the coolant system, with at 90k miles on it, I would flush the system and replace the hoses too. Put a new belt on also.

Change the diffs, transmission, and transfer case fluids - unless you know when they were serviced last.

How old is the battery? More than five years? Maybe replace it - of course this could be done at anytime in a Walmart (or anywhere else) parking lot when it does fail.
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post #5 of 5 Old 11-14-2019, 09:17 AM
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2000 TJ Wrangler 
Join Date: Oct 2012
Location: Chino
Posts: 4,326
A "sitting in storage" Jeep will have other issues than one driven (w/same miles). Your belts and hoses can cause grief on the road. Make sure to run your hands along as much wiring harness as you can, look for pinches, dry/cracking loom, rodent damage, etc.. Anything that feels out of the norm. Injector nozzles could gum up or plug. Maybe a good nozzle flush/clean will help. Check the drivetrain fluids for moisture/water. Treat the fluids like you just bought it, change everything, start a fresh record book.

I'm sure I missed a bunch and maybe some are not needed. Just throwing it out there for ideas.

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