I bought my Fiesta ST brands new with 12 miles on it and I didn’t notice a clunking noise until about 800 miles in. The clunking noise usually comes on when I step on the clutch and let go of it and not when I do the actual shifting. The noise is there from 2-4th gear and is probably there on 5 & 6 but it’s too noisy to hear it by then. It sounds a lot like the dual mass flywheel clunk that I’ve read about - it almost sounds like an exhaust is knocking on something but it’s not. I’m at 18K miles now and the noise is still there but it got pretty cold the past few days and the noise went away.
Cold fluids are usually thicker and it really made the transmission clunk go away while it still shifted perfectly. Has anyone used a thicker transmission fluid? I’m running 2 quarts of Ravenol MTF2 right now and from what I remember the viscosity was about the same as stock fluids. This stuff is good but I really couldn’t tell a big difference over stock and the noise level is the same.
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Cold fluids are usually thicker and it really made the transmission clunk go away while it still shifted perfectly. Has anyone used a thicker transmission fluid? I’m running 2 quarts of Ravenol MTF2 right now and from what I remember the viscosity was about the same as stock fluids. This stuff is good but I really couldn’t tell a big difference over stock and the noise level is the same.
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