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Thread: Thinking of buying a Grand Cherokee

  1. #1
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    Thinking of buying a Grand Cherokee

    Hey All
    I am thinking of buying a fully loaded 4.7 2001-2004 Grand Cherokee. I have had a few YJ's and now have a 95 grand. I am hoping for some feedback about common problems, issues, or things i should look for on them. For eg. how are the trannies, do the power seats have issues, is the electrial as bad a a yj etc... any input would be great
    Thx
    Craig

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    The transmission on ours was rebuilt and it's actually not uncommon for the 42RE to require a rebuild.

    That and the common 'blend doors' issue which we didn't have because we had the manual HVAC system.

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    Transmissions aren't as common as they used to be but still have some issues.

    Rear control arm bushings are non serviceable and require new arms when they go.

    As mentioned blend doors on auto HVAC units.

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    Also on the 4.7 check the oil pan as they tend to scale and rust, then start to leak.
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    Thanks for the responses.....I might sound stupid, but what is blend doors.

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    ^ NOT a stupid question.

    I don't know how to describe it as I've never had to repair the problem, but more info can be found here

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    Quote Originally Posted by craig m View Post
    Thanks for the responses.....I might sound stupid, but what is blend doors.
    The dual zone HVAC unit has small little motors inside the air ducts to control the air flow to floor, vents, windshield, fresh air or recirc etc whenever you change the mode knobs#buttons. I guess these motors eventually stop working so you can't control air flow & temp. I designed the instrument panel test system for the WJ. They were tricky to test. We really only verified they were properly attached to the wireharness and could move in both directions. Typically the actuators are vaccum & more reliable (say a KJ Liberty) but fancy systems have motor style actuators.

    If you aren't sure you can often hear the vaccum style gurgle and bubble when you change modes. The Limiteds have the elect motors while the Laredo don't.

    Are the 99WJ's manual HVAC actuators vaccum or elect motors (I can't remember)?
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    Electric.

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    Are you sure C.C.? I remember Andi's '04 Laredo being vacuum. Unless they changed it between '99 and '04.

    I remember disassembling her HVAC controller and it had vacuum tubes going to the controls.

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    If your ok with the 4.0l...
    Id sell you mine 2004 laredo $12000, has less than 150,000 kms, new brakes, new tires, sparkplugs, etc all within 10,000kms, 4" lift.....

    Just throwing it out there.
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    It was a guesstimate. I cant hear the vacc actuatators nor does it have the feel of a vacc switch. Could be wrong.

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