<html class="apple-mail-supports-explicit-dark-mode"><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Check the pushrod for the pedal is correctly adjusted. That can sometimes cause only one circuit to return and refill with fluid. <div><br></div><div>Also, check the flex hoses at the diff end of the circuit. They can swell over time and stop any fluid pressure reaching the calipers, normally you\u2019ll have the rear calipers dragging slightly before it gets to there though. </div><div><br></div><div>Best,</div><div><br></div><div>Steven</div><div><br id="lineBreakAtBeginningOfSignature"><div dir="ltr">Sent from a small screen, please excuse any typos. </div><div dir="ltr"><br><blockquote type="cite">On Apr 16, 2026, at 21:16, Jonathan Present via Rovernet <rovernet@rovernet.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">\ufeff<meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><div class="x14z9mp x126k92a xat24cr xdj266r x1vvkbs x1lziwak" style="white-space: pre-wrap; margin-inline: 0px; overflow-wrap: break-word; margin-bottom: 0px; margin-top: 0px; font-family: system-ui, -apple-system, system-ui, ".SFNSText-Regular", sans-serif; color: rgb(8, 8, 9); font-size: 15px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; animation-name: none !important; transition-property: none !important;"><div dir="auto" style="font-family: inherit; animation-name: none !important; transition-property: none !important;" class=""> Cannot figure out why rear brakes are not functioning, can anyone diagnose what it might be? </div></div><div class="x14z9mp x126k92a xat24cr xtlvy1s x1vvkbs x1lziwak" style="white-space: pre-wrap; margin-inline: 0px; overflow-wrap: break-word; margin-bottom: 0px; margin-top: 0.5em; font-family: system-ui, -apple-system, system-ui, ".SFNSText-Regular", sans-serif; color: rgb(8, 8, 9); font-size: 15px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; animation-name: none !important; transition-property: none !important;"><div dir="auto" style="font-family: inherit; animation-name: none !important; transition-property: none !important;" class="">Replaced the brake booster, master cylinder, bled the system multiple times. Front brakes are solid . Rear brakes not getting fluid to. Proportion valve is working.</div></div><span>_______________________________________________</span><br><span>Rovernet mailing list</span><br><span>Rovernet@rovernet.org</span><br><span>http://rovernet.org/mailman/listinfo/rovernet_rovernet.org</span><br></div></blockquote></div></body></html>