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Thread: jeep grand cherokee 2.7 crd auto gearbox issue

  1. #1

    Default jeep grand cherokee 2.7 crd auto gearbox issue

    advice please recently had the transmission fluid changed on my 2004 jeep grand cherokee 2.7 crd and have noticed under hard acceleration there is a whooshing sound when changing gear I don't belive it was there before the fluid change
    apart from this the gearbox seems fine with no whooshing sound under normal acceleration anybody any ideas what this sound could be??

    regards

    melvyn

  2. #2
    Registered Mak V8's Avatar
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    Hi Melvyn, where do you come from?

    Did you have the fluid changed by a Chrysler shop or a generic shop?

    Which oil did they use?
    Mak

    '02 Jeep Grand Cherokee WG 4.7 V8 H.O. Overland
    '83 Alfa Romeo Alfetta Q.O.
    '74 Alfa Romeo Alfetta

    In the future (I hope...): '70 Dodge Charger 500 with 383 4bbl

  3. #3

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    London
    the fluid was changed by a generic shop
    I am a little concerned as I don't want a wrecked gearbox
    I have no idea what fluid was used is there a certain type of oil to be used in this gearbox??

  4. #4
    Registered Mak V8's Avatar
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    Till last year/two years, in Chry shops they used Shell 3403, but I have heard that they started to use ATF+4 few time ago.

    Now probably, due to FIAT..., if you ask in a Chry shop, they will give you a Petronas oil...

    Try asking in a Mercedes Shop, the 2.7 CRD and its gearbox are Mercedes...
    Also, oil needs to be at the proper level, but I think that the generic shop knows how to check it...

    however, I don't know if the sound you hear is due to the gearbox, are you sure that was not there before?

    I remember that in the past, some friends of mine (Fuoristrada.it forum friends...), said that the 2.7 CRD turbine sometimes hisses during acceleration; but this is a vague recollection....
    Mak

    '02 Jeep Grand Cherokee WG 4.7 V8 H.O. Overland
    '83 Alfa Romeo Alfetta Q.O.
    '74 Alfa Romeo Alfetta

    In the future (I hope...): '70 Dodge Charger 500 with 383 4bbl

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