Re: Brake problem
[Re: WV Runner]
#2238330
01/21/17 11:41 AM
01/21/17 11:41 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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About to go away
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Most OEM rear disc setups I am familiar with (Mustang based) use a self adjusting feature to keep the pads close to the rotors. That feature is accomplished by the parking brake. As the pads wear, or you retract the pistons fully to put in new pads, the pad to rotor spacing increases requiring two, or even more, pumps of the pedal to get a good pedal feel.
What rear calipers are you using? do they have a lever in the caliper body for the parking brake cable)?
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Brake problem
[Re: WV Runner]
#2238382
01/21/17 01:28 PM
01/21/17 01:28 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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I know the early GM rear calipers had a very similar design. Not sure about today's stuff though.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Brake problem
[Re: WV Runner]
#2238441
01/21/17 03:02 PM
01/21/17 03:02 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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One thing Skeptic kinda touched on that needs remembering
You have to use the parking brake.
Regularly, get in the habit of setting each time you park.
If you do not have that feature working, make it work.
Otherwise you will be back there manually adjusting the brakes, alot.
Plus it helps keep the caliper piston from seizing.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Brake problem
[Re: WV Runner]
#2238983
01/22/17 01:54 PM
01/22/17 01:54 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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One has to assume a certain level of competency here. If one put a disc brake kit on and installed the caliper with the bleeders on the bottom, well then that person should quit working on vehicles and take up something that will not potentially harm others due to their incompetence.
Now I can understand an initial mistake resolved after the first drive, but this doesn't sound like that.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Brake problem
[Re: Supercuda]
#2239082
01/22/17 04:12 PM
01/22/17 04:12 PM
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Joined: Oct 2003
Posts: 7,506 Az
Crizila
master
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master
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Posts: 7,506
Az
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One has to assume a certain level of competency here. If one put a disc brake kit on and installed the caliper with the bleeders on the bottom, well then that person should quit working on vehicles and take up something that will not potentially harm others due to their incompetence.
Now I can understand an initial mistake resolved after the first drive, but this doesn't sound like that. Not calling anyone incompetent. Simple check for the OP is all. Don't assume anything has been my experience over the years.
Fastest 300
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Re: Brake problem
[Re: WV Runner]
#2239109
01/22/17 04:35 PM
01/22/17 04:35 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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About to go away
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up yours
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I suppose that is true enough.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Brake problem
[Re: WV Runner]
#2249056
02/07/17 01:15 PM
02/07/17 01:15 PM
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Joined: Jan 2003
Posts: 7,538 Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,538
Albany, NY
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This is just a basic encouragement not to get frustrated... just be slow and methodical.
In all the hours and hours I've sent chasing soft brake pedal and uneven brake pad wear problems on my OEM Plymouth brakes, and sharing photos and symptoms here on the forum, the problems have always been resolved - and they have never been more complicated than the following two things:
- Proper bleeding of the components (MC, lines, calipers/cylinders). - Proper brake shoe/pad advance mechanisms.
It's uncanny how many times I went over and over and over the same setup, saw no problems, but eventually get it to work right by repeating or scrutinizing with absolute certainty the above two issues.
Just my DAMHIK comment. - Art
65 Satellite hardtop 361/4bbl console 727 2.76 67 Satellite convert 383/2bbl column 727 3.23 67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd 67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd 71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd 82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle 75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF 77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF 07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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Re: Brake problem
[Re: WV Runner]
#2249114
02/07/17 02:55 PM
02/07/17 02:55 PM
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Joined: Oct 2003
Posts: 21,345 Marysville, O-H-I-O
70Cuda383
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Too Many Posts
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Posts: 21,345
Marysville, O-H-I-O
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To check for air, I would do this:
Engine off, car in park. Pump the pedal a few times to release brake vacuum. This should also push the pads out to the rotors taking up any slop. Unless your calipers have a return spring, the pads will stay right there. Your brake pedal should be rock hard now. If it's still spongy, then start looking for the air in your system.
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