Im new to the jeep forum so bear with me!! -
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post #1 of 2 Old 03-21-2006, 08:13 AM Thread Starter
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2004 LJ Wrangler 
Join Date: Mar 2006
Location: Go Hogs GO Arkansas
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Im new to the jeep forum so bear with me!!


i just purchased a 2001 sahara with the 4.0I 5 speed. My question is how many miles can i expect the engine to have on it before i start replacing parts.

What I know about the jeep.

one owner
have maintence records on oil changes usually between 2500 and 3000 miles.
the jeep has 84000 miles on it-mostly interstate commute.
no tow hitch installed

I have had the jeep completly serviced new oil, filter, one thing previous owner neglected was the coolent- It was nasty so i had it flushed and had a new radiatior installed by dealer.

what should i expect out of this jeep.

Thanks for the replys, and im glad to be a jeep owner.


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post #2 of 2 Old 03-21-2006, 08:34 AM
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It varies greatly, but since it was so well maintained, the oil changes are key for getting high mielage out of a motor. I have 105 k on my 4 cylinder, and it runs just as good as the day it came off production...only real thing is the rear main seal seeps slightly. This is one thing that you may want to keep an eye on, jeeps rear main seals are pretty sketchy IMHO. I have heard many a people getting 150k easy before any real parts changes are necesary. Just fix things as soon as something is wrong, and it will stay healthy. In my four wheel and off road magazine I just got, there is an old yota with over 500k miles on the original motor. I know thats different than a jeep, but it is just to illustrate the point that you can make a motor last by taking care of it. Things to watch, have replaced, and keep an eye on would be timing chain, ignition stuff (wires, plugs, cap, rotor, ....), rear main seal, head gasket, water pump, thermostat, change oil and filter as frequently as you desire, take care of her, and she will take care of you. Sounds like the person who owned your rig before you was not real hard on it, which is the same for me, only one owner, never been off road, mostly highway miles...

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