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Thread: RE4R03A / RE4R01A Auto Transmission Differences

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    Rotaredom NissanGQ4.2's Avatar
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    RE4R03A / RE4R01A Auto Transmission Differences

    Can any one tell me what the differences are between the RE4R03A and RE4R01A auto gearboxes are???

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    Todd
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    Smart like tractor Ben-e-boy's Avatar
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    I dont really know at a guess Id say one is for a 3.0L petrol/2.8L diesel and the other would be for th 4.2L ???
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    Quote Originally Posted by Ben-e-boy View Post
    I dont really know at a guess Id say one is for a 3.0L petrol/2.8L diesel and the other would be for th 4.2L ???
    3lt petrol (RB30) and 2.8lt diesel (RD28) were manual only, no auto option.
    I don't know the answer to the original question.

    Tony

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    Rotaredom NissanGQ4.2's Avatar
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    thanks guys

    don't worry Tony I don't know the answer 2 the original question either *LMAO*
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    AT a quick look on the internet it would seem Ben was on the right track. RE4R01A was fitted to RB series engines among others, but I don't think it was ever fitted to any Patrols.

    Tony

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    Rotaredom NissanGQ4.2's Avatar
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    Jatco 4R03 transmission

    From Wikipedia, the free encyclopedia

    This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (August 2010) The 4R03 was a 4-speed automatic transmission from Nissan Motor Company, Ltd.'s Jatco subsidiary.
    Applications



    Jatco 4R01 transmission

    From Wikipedia, the free encyclopedia

    This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) RL4R01A/RE4R01A Manufacturer Jatco Production 19882001 Predecessor 4N71 Class 4-speed longitudinal automatic transmission The 4R01 was a 4-speed automatic transmission from Nissan's Jatco subsidiary. It was available as either a light-duty ("RL4R01A") or medium-duty ("RE4R01A") unit for rear wheel drive vehicles with longitudinal engines. Mazda called the medium-duty version their R4A-EL.
    Applications




    Time is never wasted when your wasted all the time



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  8. #7
    Expert Chaz's Avatar
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    The RE4R01A was Nissans standard 4 speed auto from the late 80’s and used in virtually all models that had an auto trans option. The RE4R03A is simply a heavy duty version of the R01A. To my knowledge it was only used in the Patrol, the V8 Infinity and 300ZX Turbo by Nissan, but was also used in some Isuzu and Mazda light trucks. There are also front wheel drive versions eg, the RE4F01A.
    The physical difference is mostly with the valving/programming and number of clutches per pack. It would be similar to the difference between the GM Trimatic TH180 4, 6 and 8 cylinder versions.

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    NissanGQ4.2 (29th September 2011)

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