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Old 05-02-2008, 12:23 PM   #8 (permalink)
ProwlerGT
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Join Date: Oct 2003
Location: New Orleans area
Drives: 95 3000GT Base DOHC
Trader Rating: (11)
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Default Re: Proportioning valve: symptoms of being bad

Quote:
Originally Posted by Struggly View Post
Fuckin' a, that's a comprehensive diagnosis...
Thats the only way I roll unfortunately and lately its much more of a curse than a gift. I feel if I leave something out it will only get asked about later so I try to cover it all up front.

Quote:
Originally Posted by Struggly View Post
At rest, pads should contact the rotors with enough pressure to prevent the wheels from spinning multiple times if you spin them by hand. I trust that the scraping is out of the ordinary?
Yes. I believe its causing the car to drag-steer to the left and it even seems like its interfering with acceleration.

Quote:
Originally Posted by Struggly View Post
Who rebuilt the MC? DIY or bought rebuilt? How does the pedal feel? Loss of braking power would lead me to fault the MC if you hadn't given me the background.
If you take a look at my revival thread (link in sig) I show detailed pics of how I rebuilt the MC with a kit from Mitsu. Its all done to spec. Entire MC is new except for of course the body which just is a body in good shape.

I feel myself struggling to get the car to stop and this is only after a 20 - 35mph ride literally around the block. There was actually an amazing wonderful (ha ha - yeah right) coincidence when I took it out for a drive for the 2nd time in years... an Armadillo was DEAD CENTER of the street and I was looking away for one second at someone I thought was driving suspiciously behind us..... my sister yelled STOPPP yer gonna hit that thing and so I experienced a panic brake and it was not at all near what it should be. If it weren't for the slow speed there is no doubt the brakes would've failed me into hitting that stupid animal.

Quote:
Originally Posted by Struggly View Post
You could replace the prop valve if you wanted--it's not an expensive part. But your symptoms don't sound like a fucked prop valve to me.

Clint
There is nothing else to replace. The only thing stopping me from doing it is the refusal to believe its bad, but when you've replaced EVERYTHING else I have no earthly idea what it could be.

With brand new calipers are you supposed to pop the pistons out and lube the piston/bore walls with brake fluid? I didn't do this when I got them, but it seems like they'd self lube after the first few brake uses.
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Last edited by ProwlerGT : 05-02-2008 at 12:29 PM.
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