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Nissan Navara: Torque converter issues

Asked by Michael Cole

When driving at speeds of 60-80km/h my 2010 Nissan Navara would generate a vibration as though you were driving in too high a gear for the transmission. Once you put your foot down and kicked the auto into a lower gear and got over this speed the vibration would disappear. The problem was very annoying, as most city driving is around 60-80km/h, and to drive at higher speeds to avoid the issue was to risk a speeding fine. The dealer service people believed it was due to the torque converter locking up and was a characteristic of the vehicle, and that Nissan would not recognise it as a problem. They told me “the best way to overcome this problem was to turn the overdrive off at low speeds”. I thought great, why have an overdrive at all and traded the car six months later. If a car company can't take your problems seriously then stop buying its products is my solution. It will be a long time before we buy another Nissan.

Answered by CarsGuide

23 Aug 2013 Carsguide.com.au

Yes, your issue does sound like it was caused by the torque converter locking up too early. The converter is locked to eliminate the slippage that you normally get when the convertor is not locked, which uses up fuel. Locking the convertor is done to reduce fuel consumption, but doing it too early, as it appears Nissan has done, makes the engine labour and vibrate.

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