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Username Post: sinking brake pedal        (Topic#336332)
Forum Newbie
Posts: 23

Reg: 10-05-14
06-02-16 09:29 PM - Post#2631836    

1971 monte carlo / 350
My brake pedal goes right down to the floor (very slight pressure and resistance) There is no evidence of leakage or loss of fluid from the master.

Is this indicative of a bad master, booster or both. If i need to replace it are there certain types or makes that are recommended or preferred?



Super Senior Member
Posts: 13924
Loc: Baltimore, MD
Reg: 11-27-04
06-05-16 07:56 PM - Post#2632341    
    In response to ct409

Could just be lots of air in the system. Has the system been opened up or needed fluid lately? If not, it is probably the master cylinder. A bad booster just gives a hard pedal with the engine running.

Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon


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