When I got my LTD 2 years ago I went through the brakes as they were barely working, this included replacing the brake booster and master cylinder, overhauling calipers and adjusting the rears with a new spring and self adjuster kit, finally they worked but I really disliked their action and feel, so after putting up with them all this time I thought I’d have another bash at them during lockdown ! I traced the fault to the servo , specifically the control valve, I should at this point state...
1968 LTD disc power brake woes
