07-29-2023, 11:11 AM
Unless there is a leak in the closed system (and hence, it is no longer a closed system), I find ten years or more shows no performance degradation.
I find most garages won't bother, unless it is visually (corrosion, fluid is very dark, etc.) or mechanically obvious.
I find most garages won't bother, unless it is visually (corrosion, fluid is very dark, etc.) or mechanically obvious.
