i have a r-reg voyager 3.3ltr auto now all has been ok then suddenly today i breaked hard to avoid an idiot in front of me and started to hear a weird sound while traveling sounded like a flat tyre got home checked nope but noise is coming when i change the gears from reverse to drive etc it sounds like something is being over stretched i had partner sit in car and change gears the little gear changer moves as it should but the noise sounds as if its coming from below this and to the centre of the engine inside what im guessing is the transmission fluid resevouir any idea's please