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  #1  
Old 09-28-2006, 12:25 AM
Brian Brian is offline
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Join Date: Apr 2006
Posts: 14
Default ol '90 6000 brake question..

my grandfather gave us this car for a spare, and now we need it.. but one
thing makes it pretty difficult, especially on wet ground.. the brakes seem
to be all-or-nothing.. initially with it topped off, the slightest tap would
lock the tires up.. rather unexpectedly on dry ground even.. I siphoned out
some of the fluid and now it still behaves the same only it happens further
down the brake travel... no or little effective braking then wham!
I'm pretty used to a nice smooth brake pressure curve, this isn't something
I'm getting along with.. my stuff always flying from the seat to the
floor..lol (gas is pretty touchy too but I can deal with that more)..
any way you folks can help point me to check it out?
this car was granpa driven and maintained,so in otherwise top-notch
mechanical condition... strong as an oxe, freebie or not it's worth a little
work to me..


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  #2  
Old 09-28-2006, 03:33 AM
noway noway is offline
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Join Date: Jun 2003
Posts: 1,720
Default ol '90 6000 brake question..

You should NEVER remove brake fluid from the master cylinder to "adjust"
your brakes. Are the rotors and drums rusty from sitting? This will cause
grabbing. Drive the car cautiously for a little while to see if they
improve.


"Dark1" <bsuttles@columbus.rr.com> wrote in message
news:NFLSg.6007$OE1.5034@tornado.ohiordc.rr.com...
Quote:
my grandfather gave us this car for a spare, and now we need it.. but one thing makes it pretty difficult, especially on wet ground.. the brakes

seem
Quote:
to be all-or-nothing.. initially with it topped off, the slightest tap

would
Quote:
lock the tires up.. rather unexpectedly on dry ground even.. I siphoned

out
Quote:
some of the fluid and now it still behaves the same only it happens

further
Quote:
down the brake travel... no or little effective braking then wham! I'm pretty used to a nice smooth brake pressure curve, this isn't

something
Quote:
I'm getting along with.. my stuff always flying from the seat to the floor..lol (gas is pretty touchy too but I can deal with that more).. any way you folks can help point me to check it out? this car was granpa driven and maintained,so in otherwise top-notch mechanical condition... strong as an oxe, freebie or not it's worth a

little
Quote:
work to me..



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  #3  
Old 09-28-2006, 12:31 PM
Travis King Travis King is offline
Junior Member
 
Join Date: Jul 2004
Posts: 144
Default ol '90 6000 brake question..

My 1988 6000 2.5L (125,000 miles) kind of does that too if it sits for a
long time - you hardly touch the brakes and wham. Fortunately, when I take
it out on the road, the brakes work fine - it just does that in the
driveway, and it only does it when it's sitting for a long time. The brakes
have never really been good on these cars in my opinion - even with my new
brakes on both front and back, you still don't slow down if you lightly
touch the brakes. When I drive my Grandpa's 2005 Malibu for example, when I
press the brakes as hard as I do on my car because I'm used to it being that
way, it brakes really hard in the Malibu almost feeling like I stomped on
the brake. (Well, maybe not quite.) But back on to the topic. The brake
pedal does not go to the floor, so it would appear that my master cylinder
is okay. Then a year or two before that, my brakes would lock up, but even
so, it didn't feel like it was stopping me hard because it was just the rear
brakes that were locking up - it turned out that both wheel cylinders were
leaking, and in addition, my entire rear brake sytem pretty much needed
replaced. The mechanic said I was lucky I never lost my brakes completely,
and I had gone on with that car for three or four months that way. You'd
also feel a thump everytime you'd let off the brake from a stop. It only
ended up costing me a little over $300 for the whole job, and I also had a
transmission fluid change as my tranny would not kick in a time or two when
I went to press the gas for a second or two - the change fixed that
fortunately. Now as for the gas about it being touchy, if you don't let my
car roll before you press the gas when you're from a stop, it on occasion
will stall (it's always done that in the nine years it's been in our
family), however, if you don't let it roll and you press the gas and it
doesn't stall, I can agree with you that it gooses just a bit when you press
the gas.
"hdd" <nospam@nospam.com> wrote in message
news:MpOSg.6437$YW5.5641@news-wrt-01.rdc-nyc.rr.com...
Quote:
You should NEVER remove brake fluid from the master cylinder to "adjust" your brakes. Are the rotors and drums rusty from sitting? This will cause grabbing. Drive the car cautiously for a little while to see if they improve. "Dark1" <bsuttles@columbus.rr.com> wrote in message news:NFLSg.6007$OE1.5034@tornado.ohiordc.rr.com...
Quote:
my grandfather gave us this car for a spare, and now we need it.. but one thing makes it pretty difficult, especially on wet ground.. the brakes
seem
Quote:
to be all-or-nothing.. initially with it topped off, the slightest tap
would
Quote:
lock the tires up.. rather unexpectedly on dry ground even.. I siphoned
out
Quote:
some of the fluid and now it still behaves the same only it happens
further
Quote:
down the brake travel... no or little effective braking then wham! I'm pretty used to a nice smooth brake pressure curve, this isn't
something
Quote:
I'm getting along with.. my stuff always flying from the seat to the floor..lol (gas is pretty touchy too but I can deal with that more).. any way you folks can help point me to check it out? this car was granpa driven and maintained,so in otherwise top-notch mechanical condition... strong as an oxe, freebie or not it's worth a
little
Quote:
work to me..


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  #4  
Old 09-28-2006, 06:31 PM
Geoff Welsh Geoff Welsh is offline
Junior Member
 
Join Date: Jun 2004
Posts: 487
Default ol '90 6000 brake question..

Dark1 wrote:
Quote:
my grandfather gave us this car for a spare, and now we need it.. but one thing makes it pretty difficult, especially on wet ground.. the brakes seem to be all-or-nothing.. initially with it topped off, the slightest tap would lock the tires up.. rather unexpectedly on dry ground even.. I siphoned out some of the fluid and now it still behaves the same only it happens further down the brake travel... no or little effective braking then wham! I'm pretty used to a nice smooth brake pressure curve, this isn't something I'm getting along with.. my stuff always flying from the seat to the floor..lol (gas is pretty touchy too but I can deal with that more).. any way you folks can help point me to check it out? this car was granpa driven and maintained,so in otherwise top-notch mechanical condition... strong as an oxe, freebie or not it's worth a little work to me..

sounds like you need to remove, clean, and lube the caliper slides.
GW
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