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new pads/rotor: really soft brakes
#949375
03/12/11 06:02 PM
03/12/11 06:02 PM
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Joined: Nov 2005
Posts: 1,943 San Angelo, Texas, U.S.A.
1968RR
OP
top fuel
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OP
top fuel
Joined: Nov 2005
Posts: 1,943
San Angelo, Texas, U.S.A.
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I changed out my front brake pads and rotors on my truck this afternoon. Now I have to almost put the brake pedal to the floor to get my tuck to stop. I was sure to "pump" the brakes a few times before driving it around, so that the pistons would expand, but after driving around for 10-15 minutes, the brakes are still really soft. I haven't lost any brake fluid that I know of.... Any ideas? Thanks in advance.
"When I'm in a slump, I comfort myself by saying if I believe in dinosaurs, then somewhere, they must be believing in me. And if they believe in me, then I can believe in me." - Mookie Wilson
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Re: new pads/rotor: really soft brakes
[Re: Four40mopar]
#949378
03/12/11 06:20 PM
03/12/11 06:20 PM
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Joined: Nov 2005
Posts: 1,943 San Angelo, Texas, U.S.A.
1968RR
OP
top fuel
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OP
top fuel
Joined: Nov 2005
Posts: 1,943
San Angelo, Texas, U.S.A.
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I didn't bleed the brakes, just changed out pads/rotors. The pads and rotors are both "budget" pieces, but I wouldn't think that that would make the braking any less firm (it might just make it take a little longer to stop until they're broken in). Should I go ahead and add a little brake fluid to see if that helps?
"When I'm in a slump, I comfort myself by saying if I believe in dinosaurs, then somewhere, they must be believing in me. And if they believe in me, then I can believe in me." - Mookie Wilson
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Re: new pads/rotor: really soft brakes
[Re: Four40mopar]
#949380
03/13/11 11:39 AM
03/13/11 11:39 AM
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Joined: Jan 2003
Posts: 10,723 North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,723
North Dakota
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If you repeatedly pump the brake pedal when you're stopped, does it 'pump up' to the point that you finally get a high, firm pedal? If you release the pedal wait 15 seconds and then depress it does it go to the floor again? If you answered yes to both of these questions, you have air in the system and you have to bleed your brakes. It's as simple as that. If the answer to the first question is no, then you have a problem somewhere. I don't want to sound critical but IMHO, one of the worst things you can do, especially if you have ABS, is to just compress the caliper piston when you install new shoes. This just forces old brake fluid back into the system. I always open the bleeder and drain the old fluid when I compress the caliper.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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