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Next: 98 Accord, various help needed!!
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Joined: Mar 15, 2007
Posts: 4
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(Msg. 1) Posted: Thu Mar 22, 2007 5:46 pm
Post subject: Brake Failure?!?!
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Last weekend i decided it was time to replace my brake pads. I went around to all the wheels and replaced the pads, as well as the disks on the front wheels. This operation is something I've done a number of times and on a number of different vehicles, so it's not new to me.
However, when I got back into my car, thinking the brakes would be great, I was disappointed to find that the brakes were much worse than before. It felt as if I would not get any braking power until about an inch from the floor. Naturally, I assumed there was air in the brake lines. I than proceeded to go around to the car bleeding the brakes (the old fashioned way).
After doing this twice, I was again disappointed to find that the brakes had not improved even the slightest. Looking around on the web I figured that the failure must be the master brake cylinder. I went out and bought a rebuild kit and got that all done. When I had everything bolted down and plenty of brake fluid (the correct kind for my car) in the resevoir, I was AGAIN disappointed to find the brakes were worse. It felt as if there was absolutely no resistance, other than the spring, on the pedal.
SO... after such a long description of the problem... I am wondering if anyone out there has had such a trouble, and if so, how they went about fixing it. THANK YOU SO MUCH FOR YOUR HELP! |
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Joined: Mar 15, 2007
Posts: 4
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(Msg. 2) Posted: Thu Mar 22, 2007 5:47 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
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External
Since: Jun 03, 2005
Posts: 33
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(Msg. 3) Posted: Fri Mar 23, 2007 11:25 am
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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This sounds like the calipers may be binding, Check for lubrications on the
points where the calipers slide.
Also, the pistons may be hanging up, wheel berings not loaded properly,
causing the rotors to flop around, or maybe the pads just need to seat into
the new rotors.
Don't forget to check the rear brake adjustment as well. Long travel = low
pedal.
"Bojangles043" wrote in message
>I forgot to mention that my vehicle is a 1996 Saturn SL2. Up until
> this brake failure, it has been working flawlessly since I bought it
> used, four years ago.
>
> "Bojangles043" wrote:
> > Last weekend i decided it was time to replace my brake pads. I
> > went around to all the wheels and replaced the pads, as well
> > as the disks on the front wheels. This operation is something
> > I've done a number of times and on a number of different
> > vehicles, so it's not new to me.
> >
> > However, when I got back into my car, thinking the brakes
> > would be great, I was disappointed to find that the brakes
> > were much worse than before. It felt as if I would not get any
> > braking power until about an inch from the floor. Naturally, I
> > assumed there was air in the brake lines. I than proceeded to
> > go around to the car bleeding the brakes (the old fashioned
> > way).
> >
> > After doing this twice, I was again disappointed to find that
> > the brakes had not improved even the slightest. Looking around
> > on the web I figured that the failure must be the master brake
> > cylinder. I went out and bought a rebuild kit and got that all
> > done. When I had everything bolted down and plenty of brake
> > fluid (the correct kind for my car) in the resevoir, I was
> > AGAIN disappointed to find the brakes were worse. It felt as
> > if there was absolutely no resistance, other than the spring,
> > on the pedal.
> >
> > SO... after such a long description of the problem... I am
> > wondering if anyone out there has had such a trouble, and if
> > so, how they went about fixing it. THANK YOU SO MUCH FOR YOUR
> > HELP! >> Stay informed about: Brake Failure?!?! |
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Joined: Mar 15, 2007
Posts: 4
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(Msg. 4) Posted: Fri Mar 23, 2007 4:12 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
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External
Since: Jul 22, 2006
Posts: 542
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(Msg. 5) Posted: Fri Mar 23, 2007 6:31 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Bojangles043" wrote in message
> I forgot to mention that my vehicle is a 1996 Saturn SL2. Up until
> this brake failure, it has been working flawlessly since I bought it
> used, four years ago.
>
Are you pushing fluid with good pressure when you bleed them? Also - you do
know (right?), that you have to cross bleed ABS brakes. Left front, then
right rear, then right front, then right rear, ad-nauseum. I generally open
the bleeders and let them gravity bleed - makes the process a great deal
easier. Bleeding ABS can be a pain in the butt.
--
-Mike-
mmarlowREMOVE DeleteThis @alltel.net >> Stay informed about: Brake Failure?!?! |
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External
Since: Nov 12, 2004
Posts: 808
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(Msg. 6) Posted: Fri Mar 23, 2007 9:55 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article
,
Bojangles043 wrote:
> Last weekend i decided it was time to replace my brake pads. I went
> around to all the wheels and replaced the pads, as well as the disks
> on the front wheels. This operation is something I’ve done a number of
> times and on a number of different vehicles, so it’s not new to me.
>
> However, when I got back into my car, thinking the brakes would be
> great, I was disappointed to find that the brakes were much worse than
> before.
<snip>
How did you retract the rear caliper pistons?
What did you do to take up the slack in the rear brake pistons
once the new pads were installed? >> Stay informed about: Brake Failure?!?! |
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External
Since: Aug 25, 2006
Posts: 250
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(Msg. 7) Posted: Fri Mar 23, 2007 10:56 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Mike Marlow" wrote
> Are you pushing fluid with good pressure when you bleed them? Also - you
> do
> know (right?), that you have to cross bleed ABS brakes. Left front, then
> right rear, then right front, then right rear, ad-nauseum. I generally
> open
> the bleeders and let them gravity bleed - makes the process a great deal
> easier. Bleeding ABS can be a pain in the butt.
Mike, where are you getting your information about cross bleeding
ABS brakes? I've never heard of it. It's certainly does not apply
to any GM vehicles that I've ever worked on. If there are specific
models that you know about, please let me know.
Ian >> Stay informed about: Brake Failure?!?! |
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External
Since: Jul 22, 2006
Posts: 542
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(Msg. 8) Posted: Sat Mar 24, 2007 6:36 am
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"shiden_kai" wrote in message
>
> "Mike Marlow" wrote
>
> > Are you pushing fluid with good pressure when you bleed them? Also -
you
> > do
> > know (right?), that you have to cross bleed ABS brakes. Left front,
then
> > right rear, then right front, then right rear, ad-nauseum. I generally
> > open
> > the bleeders and let them gravity bleed - makes the process a great deal
> > easier. Bleeding ABS can be a pain in the butt.
>
> Mike, where are you getting your information about cross bleeding
> ABS brakes? I've never heard of it. It's certainly does not apply
> to any GM vehicles that I've ever worked on. If there are specific
> models that you know about, please let me know.
>
> Ian
>
>
It was on my GM's that I was advised about this Ian. I can't point you to a
document though. It was something that I was advised of when chasing a
bleeding problem on a Park Ave Ultra and later again on a Sunbird. I was
advised by a (maybe more than one) GM tech that at least on the GM systems,
the opposing corners are paired in the ABS control. I thought I had later
read something in one of my manuals that backed this up, but I can't say for
sure.
It's kind of funny Ian - when I first encountered this information it seemed
like I was the only one on the planet that didn't know it. No matter
whether it's correct or not - it's nice to have some company...
--
-Mike-
mmarlowREMOVE.TakeThisOut@alltel.net >> Stay informed about: Brake Failure?!?! |
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External
Since: Nov 12, 2004
Posts: 808
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(Msg. 9) Posted: Sat Mar 24, 2007 11:55 am
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article ,
"Mike Marlow" wrote:
> GM tech that at least on the GM systems,
> the opposing corners are paired in the ABS control.
Dual diagonal braking has been present on some GM cars going back
to the first FWD X body cars (Citation, Phoenix, Omega).
Haven't seen one yet where the bleeding sequence has you start at
the front though... >> Stay informed about: Brake Failure?!?! |
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External
Since: Jul 22, 2006
Posts: 542
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(Msg. 10) Posted: Sat Mar 24, 2007 4:48 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"aarcuda69062" wrote in message
> In article ,
> "Mike Marlow" wrote:
>
> > GM tech that at least on the GM systems,
> > the opposing corners are paired in the ABS control.
>
> Dual diagonal braking has been present on some GM cars going back
> to the first FWD X body cars (Citation, Phoenix, Omega).
>
> Haven't seen one yet where the bleeding sequence has you start at
> the front though...
Ah - I see the question now. Sorry guys - I was not intending to mean start
at the front. I was simply trying to spell out the diagonal aspect.
--
-Mike-
mmarlowREMOVE.TakeThisOut@alltel.net >> Stay informed about: Brake Failure?!?! |
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External
Since: Aug 25, 2006
Posts: 250
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(Msg. 11) Posted: Sat Mar 24, 2007 6:55 pm
Post subject: Re: Brake Failure?!?! [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Mike Marlow" wrote
> Ah - I see the question now. Sorry guys - I was not intending to mean
> start
> at the front. I was simply trying to spell out the diagonal aspect.
No problem, I just thought that perhaps there was some new
aspect to brake bleeding that I hadn't come across.
We do run into "some" different ways of bleeding brakes, but
it usually involves vehicles with Stabilitrac systems (these days,
anyway).
Ian >> Stay informed about: Brake Failure?!?! |
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