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    dual overhead trouble codes, but only one, unrelated symptom

    So a couple of weeks ago, my daughters Jeep Liberty was acting very strange. We were on the Highway going 75mph (the speed limit) and the the truck seemed like it was surging. The tachometer was showing the RPM fluctuating, but not enough to be shifting gears, but enough to unlock the torque...
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    TransMichigan

    I have never really liked the way my transmission has shifted, but I did not know if that was just the way it worked, or if there was an issue. At least until my daughter purchased her Liberty and I drove it. Her Lib's shifts the way it should. Evenly spaced all the way through, unlike mine that...
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    WHOAH NELLIE!!!

    Today, my daughter was driving to work, and the vehicle slid on the ice on our road (one of the last roads in the county to get ANY type of care in the winter). anyway, as soon as it slid, a slew of warning lights came on in the dash. the "ESP-BAS, BRAKE, CAR WITH SQUIGGLY LINES UNDER IT, AND...
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    P0038 code

    so my daughter recently purchased a 07 Liberty to learn how to drive in. and driving down the road the other day, the check engine light came on. after pulling the code, its showing that the (i think) upstream O2 sensor has a hi temp reading? I am pretty good at replacing parts, and fixing...
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    hood vents

    I have been contemplating cutting holes in my hood to install a couple of vents in it. I want this primarily for trail riding, to reduce the under hood temperatures. The biggest concern I have is if the water coming thru the vents will mess up the electronics, or crack the exhaust manifolds. we...
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    '07 auto trans ?

    so, my daughter came home yesterday with a surprise. she purchased a 2007 Liberty. it has a 3.7 like mine, but during my first initial inspection under the hood, I was a bit confused. there is no automatic transmission dipstick. there is a hex or octagon thing where the dipstick should be. I...
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    front bumper?

    I want to add fog and driving lights to my 2005 Liberty, but it looks like the metal part of the front bumper stops to soon, and I think i would be drilling into plastic. Is there a diagram showing the 2 parts of the bumper? Also, how do I remove the plastic (bumper cover?) from the vehicle...
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    "TRI-LINK Replacement

    I am replacing the tri-link because its worn out. but I am having a terrible time getting the bolts to break loose. I have been spraying the bolts for 4 days now, and they still will not budge. I talked to a local repair shop and they said they have a lot of trouble also. and many times the...
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    TRI LINK

    So, I just had the front end looked at because my Lib seemed to wander going down the road. This winter I had a lower ball joint break in half, thankfully while backing out of a parking space. So I am a little paranoid about something breaking up there. Thankfully, the front end checked out ok...
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    Block Heater

    My Liberty was built to go to Alaska (I looked it up), and it came factory equipped with a block heater. which of course, is not working. is there a fuse somewhere in the 110v line someplace, or is this a if it doesn't work, it's junk type of thing?
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    vibration during accel and decel

    my jeep has developed vibrations that ALMOST mimics a bad front u joint (rear axle) vibration, meaning that I feel it thru the seat. I rebuilt the front driveshaft not very long ago, but just to be sure i tried to make it move also. which it is tight. it happens mostly during accelerating and...
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    SWITCHED SWITCH???

    So I was doing some light wheeling last weekend, nothing crazy, mostly just loose sand and hills. so I clicked the t/c into 4 hi. upon returning to the road, I clicked the t/c back into 2wd, and noticed that the light on the dash now said PART TIME, which it should read when I was in 4 hi. I did...
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    245/70r16's?

    so I was given a set (4) 245/70r16 Goodyear snow tires. but after looking at them (they seem pretty "beefy"), they are not going to clear things in my stock semi sagged suspension KJ are they?
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    front axle pieces parts

    so a little while ago, I determined that my front cv axle and intermediate shaft have worn far enough, that I am going to have to replace them. so I was looking at the parts diagram for my Lib, and noticed that there are either bearings and or bushings (the parts manual calls them both in a...
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    water pump housing pipe tap threads?

    so i was replacing the serpentine belt, and while i had it off, i decided to spin each component powered by it to make sure i didn't have a bearing going bad someplace. the water pump seemed a little stiff, so i popped it off to take a look. it turns smooth, but has a bit of resistance. which...
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    START UP KNOCK

    my liberty has a new noise. its intermittent, and only after the vehicle has completely cooled off. it sounds like a deep moaning knock, on the passenger side. it sounds like a dry bushing type of bearing that is both knocking and vibrating and moaning like there is enough play to allow the...
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    not so good vibrations

    so my Liberty has picked up an intermittent vibration in the front end, only over 65 mph. its on the highway, only, (the only place i go over 60) . i can feel it in the steering wheel. it does not matter if it in a straight line, or going around a long curve. it just comes and goes as it...
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    trans cooler

    so I remember reading a post that talked about the stock external transmission cooler (on a 2005) was ot adequate for trailer towing. well, I decided to try to fix the oil leak at the cooler hard line to rubber hose joint (below and between the front of the engine and the radiator). for what...
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    2011 jeep, wrong coolant ??

    an old motorcycle riding buddy stopped by yesterday with a problem with his '11 Cherokee (please don't kill this just because it's a Cherokee). anyway, he stopped to ask if i had ever seen coolant that looked line brown jello (once someone knows that you are / were a mechanic, your automatically...
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    Heavy Duty Cooling (Trailer Tow)

    Before I do much trailering, I'm going to upgrade the cooling system to the Trailer Tow Package. I will likely end up at salvage yards, as buying new O.E.M. parts are way to pricy for me. Is there differences between years (mine is a 2005 3.7L) of KJ's? and just so I don't miss something, I...
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