rustystud
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When I was still a mechanic in the Marines we used to change-out the fluid every 5 years. That was at Pendelton. I'm sure other bases had there own requirements. As far as the TM goes I haven't come across any specific time or mileage. In the automotive world they recommend about every 5 years also. Since we're using DOT 5 (silicone) fluid there is no requirement to change it out unless it gets contaminated. DOT 5 fluid does not absorb water and by itself never wears out.How often do you really need to bleed the brakes anyway. is there a tm page?