K&R Posted August 29, 2018 Report Share Posted August 29, 2018 So I have 90' Cutlass Supreme with the Powermaster 3 hydro brake booster. The brakes are firm but when you take your foot off the pedal it does not return back far enough to turn the brake lights off. I was replacing the calipers and went to bleed them and pressed the pedal and I heard a snap. The brake light switch is fine and the hydro boost system is still working properly. Do I need to replace the whole booster? What do you all think? Quote Link to comment Share on other sites More sharing options...
redgrandprix Posted August 29, 2018 Report Share Posted August 29, 2018 Pretty sure there is a return spring up high under the dash, most likely what you heard snapSent from my SM-N900T using Tapatalk Go4DaMo 1 Quote Link to comment Share on other sites More sharing options...
Go4DaMo Posted August 29, 2018 Report Share Posted August 29, 2018 Useful knowledge!Sent from my SM-G950U using Tapatalk Quote Link to comment Share on other sites More sharing options...
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