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worldofme · 05-07-2002, 11:35 AM

I have a 77 blazer 4x4 w/ disc brakes and lately when I press on the brake pedal it makes a hissing noise and if I tap the brakes the pedal will go down a little bit on its own. I'm thinking maybe I just need to check the brake fluid level but if that isn't the problem what could be causing this?

05-07-2002, 11:35 AM	#1
worldofme Registered User Join Date: Sep 2001 Location: CA Posts: 15	brakes I have a 77 blazer 4x4 w/ disc brakes and lately when I press on the brake pedal it makes a hissing noise and if I tap the brakes the pedal will go down a little bit on its own. I'm thinking maybe I just need to check the brake fluid level but if that isn't the problem what could be causing this?