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  1. [Nissan Primastar] Gearbox oil filling through reverse light switch?

    Movano and Vivaro (including Renault/Nissan Deriva
    Hello all, this is my first post! I have drained my gearbox today and will leave it overnight to fully drain out. Can any shed any light on whether it is possible to refill the gear box oil through the hole where the reverse light switch fits? I believe it is easier to access.