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Brake Question on 1989....?

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puppyfang

Guest
Just purchased this 1989 coupe with 19k miles, which has sat for a while,
had to change out a few things but nothing major...however have a question about the brakes....if the car sits over night and you start it and back up the brakes feel very hard and then when you step on the brakes a few time there is this glunk noise followed by a whine then everything seems to be ok...any ideas... seems to be in the rear brake somewhere...advice please...thanks
 

G Winter

Well-known member
Joined
Aug 21, 2004
Messages
2,177
Location
NW Iowa
Corvette
1990 red convert 6 sp
Sounds like something going on with the antilock system. Maybe a brake system flush would help.

Glenn
:w
 
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puppyfang

Guest
does anyone know if there is some type of electric boost motor in the rear of the thing that would help the brakes...seems that after the whine noise followed by a clunk... the brakes are fine...any thoughts?
 

jester

Well-known member
Joined
Nov 16, 2001
Messages
173
Location
Savage, MN, USA
Corvette
1988 35th Anniversary Edition
I don't know about the clunk, but the whine sounds like it could be the normal ABS calibration routine. After starting the car and backing up the ABS will recalibrate itself. When it does this it sounds like a whine coming from behind the drivers seat.
 

milehigreg

Well-known member
Joined
Dec 3, 2004
Messages
271
Location
Denver Colorado
Corvette
1989 Dark Red Coupe
ABS

Sounds like the ABS testing itself. Turn up the radio like I do and you won't hear these little sounds that make you go Hmm. I turned down my radio and now I am investigating a mysterious clunk coming from the rear! :eek:hnoes
 
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puppyfang

Guest
Yes, I know those clunks...the car is only 3 wks old to me...so I am not use to its little quarks...Driving me up the wall some times... I know all of my 1975 noises...and I love them... this one ...not sure if it will ever get in my good graces...
 
C

captbane

Guest
brakes clunking

ya m8 have the same car, the abs resets on reverse,it goes clunk than all is good.should be fine, capt bane.
 
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tonylong

Guest
Sounds like the ABS testing itself. Turn up the radio like I do and you won't hear these little sounds that make you go Hmm. I turned down my radio and now I am investigating a mysterious clunk coming from the rear! :eek:hnoes[/quote

Yah this works for me too. I added a self-powered sub to help out with the more alarming and insistent vocalizations from the nether regions. I figure if somethins really bad wrong the gauges or wild crazy erratic performance will let me know about it. (except for my own of course).
 

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