Engine & Gearbox Oil Flush Good or Bad?

Discussion in 'Honda N-Series' started by Smokingman, Thursday 9th Nov, 2017.

  1. Bounder Senior Member ★ ★ ☆ ☆ ☆

    Ireland Huan County Cork
    157
    75
    Gearbox oil doesn't really deteriorate from contamination, it breaks down by the shearing action of the gears meshing and chopping the long chain oil molecules up reducing the viscosity.
     
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