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    Knocking sound coming from my 2014 Mitsubishi Triton manual

    Mitsubishi Mitsubishi Advice Mitsubishi Triton Mitsubishi Triton Advice Mitsubishi Triton 2014
    ...

    I have a 2014 Mitsubishi Triton, five-speed manual transmission, and when driving or stationary in neutral, there is a knocking sound coming from the front end of the gear box (closest to the engine). But when the clutch pedal is pushed in, the sound slowly winds down and stops. the knocking and vibration is extremely violent in third gear.

    Answered by CarsGuide
    14 January 2025
    David Morley

    From memory, this model Triton featured a dual-mass flywheel. These were fitted to smooth out the engine and make gear changes quieter and smoother. But when they fail, they can produce the sort of symptoms you’re hearing.

    Instead of a one piece, solid flywheel, the dual-mass unit is made in two parts with flexible couplings between them. These couplings absorb some of the shock of gear-shifts and engine vibrations, but when they’re worn out, the whole assembly becomes `loose’ and starts producing clunks and bangs. Replacing the flywheel is the only fix, but make sure you replace the clutch assembly at the same time. Some companies also offer a single-piece flywheel conversion for this vehicle to prevent the problem occurring again.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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