On May 5, 5:45=A0pm, "Earle Horton" <earleh_nos...@[EMAIL PROTECTED]
> wrote:
> The part that gets me is the intermittent part. =A0However, if it is
indee=
d
> the master cylinder it will eventually go all the way to the floor and
sta=
y
> there.
>
> I have had booster failures before and "usually" it makes the pedal get
re=
al
> hard.
>
> Earle
>
> "John" <h...@[EMAIL PROTECTED]
> wrote in message
>
> news:481f8591$0$31740$4c368faf@[EMAIL PROTECTED]
>
>
>
> > nrs,
> > if the Master Cylinder piston has bad seals, it will allow the brake
ped=
al
> > to go all the way to the floor and you wont have any loss of fluid.
=A0T=
he
> > fluid still stays in the brake system, but it's not being applied to
the=
> > calipers.
> > I'm betting on a bad Master Cylinder.
>
> > But I'm no Brake Wizard. =A0Take my advice with a grain of salt.
=A0Have=
a
> > Brake expert check it out.
>
> > "L.W.(=DFill)Hughes III" <BillHug...@[EMAIL PROTECTED]
> wrote in message
> >news:a3423$481f786d$20174@[EMAIL PROTECTED]
> >> =A0 =A0There:fore you know both cups failed at the same time.
> >> =A0 =A0 =A0 =A0God Bless America, Bill O|||||||O
> >> =A0 =A0 =A0 =A0mailto:BillHug...@[EMAIL PROTECTED]
> >> =A0http://www.billhughes.com/jeep_bookmark.htm
>
> >> "nrs" <neale...@[EMAIL PROTECTED]
> wrote in message
>
>>news:bc96cba3-0f17-4546-b483-1e0aa374fd10@[EMAIL PROTECTED]
> >> On May 5, 12:50 pm, "Earle Horton" <earleh_nos...@[EMAIL PROTECTED]
> wrote:
> >>> It's hard to believe, but the Jeep could have been at an angle
extreme=
> >>> enough for the master cylinder to suck air. That's scary. The part
abo=
ut
> >>> the brakes being applied even though you had your foot off the pedal
i=
s
> >>> strange though. I would probably replace the master or at least tear
i=
t
> >>> down for inspection just in case.
>
> >>> Earle
>
> >>> "nrs" <neale...@[EMAIL PROTECTED]
> wrote in message
>
>
>>>news:b4ab20cf-fc1f-407b-b12b-9583f5a054dd@[EMAIL PROTECTED]
>
> >>> > While wheeling a few days ago, the jeep was at an extreme angle
and
> >>> > the engine was about to stall. I was driving off a ledge using the
> >>> > brakes. I realeased the brakes to see if the Jeep would roll
forward=
> >>> > a bit and then when I pressed on the brake pedal again it went to
th=
e
> >>> > floor with no resistance, I let it out and pressed again and it
went=
> >>> > down most of the way but I think there was some resistance just
befo=
re
> >>> > the floor. It seemed like the brakes where being kept applied
despit=
e
> >>> > my foot being off the pedal. I shut off the engine and restarted
and=
> >>> > everything was fine for the rest of the trip and it was also fine
th=
e
> >>> > next day around town. There was no fluid loss, the reservoir is
stil=
l
> >>> > full. Any ideas what could have caused this?
>
> >>> > Thanks- Hide quoted text -
>
> >>> - Show quoted text -
>
> >> What's really strange is that no fluid is missing and the brakes did
> >> not require bleeding. =A0My best guess so far after looking at the
FSM
> >> is that the atmospheric pressure valve could be leaking. =A0This
would
> >> mean that even with the foot off the pedal there is still no vaccuum
> >> at the backside of the diafragm, causing the brakes to stay applied
by
> >> the booster itself via the secondary pushrod. =A0The brake pedal
could
> >> come back up moving only the primary pushrod. =A0What would you
> >> recommend, change the booster or the entire master cylinder and
> >> booster assembly? I'm leaning towards replacing the booster only for
> >> now.
>
> >> ** Posted fromhttp://www.teranews.com**-
Hide quoted text -
>
> - Show quoted text -
Ok, I'm pretty much convinced it's the Master Cylinder. I'll have it
checked by a brake expert. Thanks.
|
