2004 ESV (Platinum) AWD Transfer case specifications
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, 2004 ESV (Platinum) AWD Transfer case specifications in Cadillac Escalade Forums; Hi Does anyone have any technical specifications for the transfer ease on the AWD ESV Escalade (2004)? Theres no actuator ...
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    SFX Group's Avatar
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    2004 ESV (Platinum) AWD Transfer case specifications

    Hi

    Does anyone have any technical specifications for the transfer ease on the AWD ESV Escalade (2004)?

    Theres no actuator (that i can see thats in the same place as a the GMC Denali), so are there clutches inside?

    When mine is off the ground its front wheel drive with no power to the back, theres no actuator so is this broken or by design?

    I seem to have a "pavement lockup" when doing full lock turns, sort of indicates the transfer case is locking up when it shouldnt be, so is there a computer driving this and if there is, where's the actuator as its not the same as a GMC Denali case.

    I do get a "gear noise" under the drivers foot when i put some real power down, however the suspension / running hear specialists is a bit stomped as he expected an actuator in this size truck, there's no "Hi2, H4" switch, apparently GM doesn't seem to be any help here either. Beore taking the transfer case of would like some info.

    If anyone knows about the AWD transfer case that would be great. Just to confirm as well, i assume there's no "locking" differential on these trucks?

    Many Thanks

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    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    The diffs are limited slip

    The transfer case is a 60rear/40front

    I am not sure if that is normal or not for it to only work on the front wheels when lifted off the ground but normally it should have power to all four wheels at any speed(front wheels going slower then the rear)

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    SFX Group's Avatar
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    Re: 2004 ESV (Platinum) AWD Transfer case specifications

    Ive completed some investigation...

    It appears if the truck as "Stabilitrack", there is no LSD (limited Slip Differential(s)), as the brakes are used to have more control on wheel power, it will brake wheels that are slipping, this would fight with a LSD so the truck doesnt have them.

    However its the Transfer case that's seems to be the issue, on the parts system there doesnt appear to be a actuator as again it doesn't need one as the brakes do the job.

    I really need clarification on this from a GM parts manual before i spend money on something that i am not sure is broken. I have seen the Stabilitrack in use in the snow, message appears and i have a "whooshing" noise under the drivers feet, it seems to work well, however not sure if there's a "pavement lock" at full turns due to it being mechanically engaged all the time OR is there a limited clutch thats shot in the transfer case.

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    the cadillac man's Avatar
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    The stiblitrac system is pretty complex as it ties into both the ebcm and the suspension system

    The transfer case is full time with no actuatior (even part time systems are that way) the actuator is in the front differential on the part time systems

    The all wheel drive system has one range by design(no low range)

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    SFX Group's Avatar
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    Re: 2004 ESV (Platinum) AWD Transfer case specifications

    UPDATE

    As my option code has NR3, this is a standard Borg Warner 4481 open differential transfer case (no toys in it, as its AWD only). Also as i have option JL4 there is no mechanical limit slip differential in the drive system, this is done by the brakes.

    I will be having the rear differential cover removed and visually checked this will confirm the findings, same with the transfer case.

  7. #6
    the cadillac man's Avatar
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    Quote Originally Posted by SFX Group
    UPDATE As my option code has NR3, this is a standard Borg Warner 4481 open differential transfer case (no toys in it, as its AWD only). Also as i have option JL4 there is no mechanical limit slip differential in the drive system, this is done by the brakes. I will be having the rear differential cover removed and visually checked this will confirm the findings, same with the transfer case.
    Sounds right

    I will have to check my rpo codes again as I could have sworn my 03 has the limited slip axle

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