Brake Pedal still spongey...93 Sierra
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CF Active Member
Joined: Oct 2007
Posts: 106
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From: Abilene, Texas
Brake Pedal still spongey...93 Sierra
Bought a 93 Sierra. Prior owner said they tried to bleed the brakes over and over. Pedal felt like primary piston was failing, secondary kicking in. Thats where it catches with initial push, then fails then re-cathces. I replaced the master cylinder and have bled them three times. No better than before the replacement of master cylinder. Do I have bad calipers? WTH?
CF Monarch
Joined: Jul 2011
Posts: 5,920
Likes: 140
From: kevinkpk
Bought a 93 Sierra. Prior owner said they tried to bleed the brakes over and over. Pedal felt like primary piston was failing, secondary kicking in. Thats where it catches with initial push, then fails then re-cathces. I replaced the master cylinder and have bled them three times. No better than before the replacement of master cylinder. Do I have bad calipers? WTH?
CF Junior Member
Joined: Jun 2012
Posts: 57
Likes: 0
From: Kansas
If you bleed them and there's still no pressure your calipers are worn out and exhaling to much. Check to see if the pads are in slight contact without the brakes on. If not you probably need new calipers.
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