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I would like your advice on brake servicing, as I have a Volvo S60 turbo diesel which has 14,000km on the clock and is coming up to its two-year service. As with many other manufacturers, Volvo recommends top-up or replacement of the brake fluid every two years. But with a previous car I found this involved bleeding of the compete system for $150. Is this procedure really necessary or is it just another way of bolstering servicing revenue? I would have thought synthetic oils and fluids mean this isn't necessary every two years.
Brake fluid is 'hydroscopic', which means it absorbs moisture. So, over time, the boiling temperature of the fluid drops and that's a safety hazard. So the whole system needs to be either bled or purged, also to remove air bubbles that can also develop and hurt the braking performance.
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