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post #1 of 6 Old 11-12-2003, 06:46 PM Thread Starter
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200k on GC?

I have decided to keep my Grand Cherokee until I graduate, if possible that is about three years and 100k away. Right now it has about 90k and runs great. I was wondering what preventive maintenance should be done because I don't want to break down on the rural roads between my school and home. I want to put a 2'' lift on I won't really hit to many trails because I don't want to break anything. Specifically I would like to know
-Can the 5.9L hit 200k?
-I know that the vc on my 249 is going to go out but have found several 249s off wrecked GC's with less than 50k miles for about $300 is that a good idea?
-I am most worried about my fuel pump going out does it give any warning? and can i replace just the pump or do i have to change out the whole $600 assembly

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post #2 of 6 Old 11-13-2003, 08:46 AM
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Just keep it in tune, and all your fluids fresh. Everyone changes their oil and coolant, but many forget about the diff, power steering, and auto trans fluid.

More often than not, symptoms will tell if you will have a problem. Fix it then. If you put it off, before you know it, it leaves you stranded.

As for the fuel pump, look for longer crank times while starting, and you may be able to hear it prime. Also, don't run the tank under 1/4. The gasoline in the tank acts as a coolant to the pump, so running your tank dry often will kill the pump. Once in a while is no bigee.

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post #3 of 6 Old 11-14-2003, 09:24 AM
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In addition to what is written your VC is likely to pass out before 200K. So, if you buy a TC from a wreck that has not more than 50K, why don't you pick the fuel pump assy as well.... Any engine should do 200K, and tranny as well.
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post #4 of 6 Old 11-14-2003, 10:30 AM
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Originally Posted by 199859Limited
-I am most worried about my fuel pump going out does it give any warning? and can i replace just the pump or do i have to change out the whole $600 assembly
Click the link in my sig to be taken to the Swampy Fuel Pump Bypass. Read that write-up and your fuel-pump woes will be over.

Anybody with fuel pump issues who is going to do the S.F.P.B.: Feel free to eMail or PM me. Swampy was kind enough to make himself available to all my questions about his bypass, and I would like to continue the Jeep Karma by making myself available for the same.

Note: Swampy cut a hole in the floor of his jeep to do his bypass... I chose to just drop the gas tank. While Swampy is quite deft with the SawZall, Sonar was scared ****less of cutting a wire or, worse, a fuel line.

And now, the plug:

** Swampy Fuel Pump Bypass**
Why? Because Chrysler put the fuel pump before the filter and in the hardest to reach spot
possible, aside from placing it in some un-reachable 4th dimension...

much love

81 J20 8400#

"The existence of flamethrowers is proof that someone,
somewhere, said to himself, "I want to set those people
over there on fire, but I don't feel like walking over there to do it."

Last edited by Zaphod; 11-14-2003 at 10:33 AM.
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post #5 of 6 Old 11-16-2003, 02:48 PM
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Don't worry about it lasting. My 94 5.2 ZJ has 195k+ miles on it. My dad took it to his office every day for like eight years (about 90 miles per day, just for commuting). I plan on driving it for a while. The transmission is shakey but the engine itself is in great shape

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post #6 of 6 Old 11-17-2003, 09:36 PM
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Change *ALL* your fluids regularly. My 93 ZJ has about 142k on the odometer and the engine is really strong but does consume about 1/4 quart of oil per 2000 miles, so to me coming from an 86 300zx (Nissan) thats not enough to worry about. The trans still seems strong but my Viscous Coupling is bad and Im just waiting on the extended warranty company to get my contract so they can pay to have it replaced since it's really a pain to pull into parking lots at low speeds after I've driven on the highway for 10 or more miles.
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