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Thread: F**king GTP Brakes
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09-02-2010, 05:08 PM #1
- Join Date
- Dec 2005
- Location
- Laurel, Maryland
- Posts
- 4,975
2000 Grand Prix GTP- 2000 Trans Am WS6 M6
F**king GTP Brakes
I know it's partially my fault, but I thought I'd share anyway.
So the brakes have been on their last leg for some time now. I was waiting for the Trans Am to be at home for at least a day so I could upgrade to the C5 Brakes and then put my almost brand new brakes from the TA onto the GTP (direct swap for me) and save about $100. Well, the T/A has been in the shop nonstop for the past few weeks for various reasons (see other threads), so I've been driving the GTP with VERY spongy brakes.
Today was something new...I was coming home from work, I went to stop for traffic on I95 and the pedal went to floor and I had no brakes. I had to swerve onto the shoulder and use the ebrake to stop. I continued home on the shoulder and got home "ok". I hen took my wife's Corolla to Auto Zone to get new rotors and pads $214 later I have brand new brakes for all 4 corners
So I go home, put the GTP up on 4 jack stands, remove all the wheels and proceed to change the brakes. I do the rears first. When I get to the fronts I can't compress the calipers on either side. I take the caliper apart and fine the two pieces rusted together
It seems that when the previous owner installed the F-Body Brakes he failed to grease the calipers. So now I have to go to the junkyard tomorrow afternoon and buy some MF'ing calipers.
BTW, here is what crappy, overpriced cross drilled rotors look like. I should have changed them right when I bought the car a year ago.
New rotor for comparison:
Cracks...wtf?!?!
The other pads looked fine, apparently this is what a stuck caliper will do, and is what the grinding noise I was hear was.
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09-02-2010, 05:12 PM #2
- Join Date
- May 2007
- Location
- Davenport, Iowa
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- 35
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- 1,977
Bright Red- 1999 Trans Am Ws6
I forgot to grease calipers last time I put them on, and they squeaked like crazy till I did. How would they not notice?
Btw...when doing the c5 conversion. A hand hacksaw is NOT an option. Air cut off wheel barley did they trick.
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09-02-2010, 05:27 PM #3
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09-02-2010, 05:29 PM #4
- Join Date
- May 2007
- Location
- Davenport, Iowa
- Age
- 35
- Posts
- 1,977
Bright Red- 1999 Trans Am Ws6
Bullshit. There is only ONE design for the brackets. And you HAVE to cut the tabs off the front. Bust a link to prove it.
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09-02-2010, 05:40 PM #5
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09-02-2010, 05:45 PM #6
- Join Date
- May 2007
- Location
- Davenport, Iowa
- Age
- 35
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- 1,977
Bright Red- 1999 Trans Am Ws6
I bought mine from umi, and if there was a better way to mount without cutting, I would think they would have done it.
And just remember, TT2's in 17 inch won't clear. Along with a few other 17 inch wheels.
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09-02-2010, 05:46 PM #7
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09-02-2010, 07:38 PM #8
that sucks I need new brakes in my gtp too
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09-02-2010, 10:08 PM #9
can't necessarily blame that damage on the rotors or the car....it was neglect that caused that damage. Those rotors have gotten way too hot due to the seized caliper.
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09-03-2010, 02:57 AM #10
- Join Date
- Nov 2007
- Location
- Philly, PA
- Age
- 39
- Posts
- 2,055
Black- 2001 Firebird TransAm WS6
can some one explain to me "greasing the caliper"? im not familiar with this.
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09-03-2010, 03:41 AM #11
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09-03-2010, 10:20 AM #12
- Join Date
- May 2007
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- Davenport, Iowa
- Age
- 35
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- 1,977
Bright Red- 1999 Trans Am Ws6
Allows the caliper to float back and forth. His was putting all pressure on one side(piston side). He probably could have taken it apart and saved the caliper.
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09-03-2010, 10:21 AM #13
oh so they're not supposed to normally look like that? ....damn
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09-03-2010, 10:23 AM #14
- Join Date
- May 2007
- Location
- Davenport, Iowa
- Age
- 35
- Posts
- 1,977
Bright Red- 1999 Trans Am Ws6
Can still see the heads on the rivots so no damage was physically done to caliper...
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09-03-2010, 03:35 PM #15
- Join Date
- Jan 2009
- Location
- North Jersey
- Posts
- 11,496
Phantom Black Metallic- 2004 GTO M6
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09-04-2010, 07:15 AM #16
- Join Date
- Aug 2007
- Location
- Corn and Soybean fields
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- 5,483
Gray/ White- 09Ram 1500 83 Thunderturd
I've seen worse
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09-04-2010, 10:11 AM #17
- Join Date
- Apr 2008
- Location
- arizona
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- 39
- Posts
- 178
- 2004,2008 triumph 675 SE
So did you figure out why the pedal went all the way to the floor? A stuck caliper is not gonna cause that from what your explaning.
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09-04-2010, 04:44 PM #18
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09-04-2010, 04:45 PM #19
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09-06-2010, 10:25 AM #20
Seized caliper pins CAN make the pedal travel too far down, you essentially have the pads not making contact with the rotor because the caliper isnt "sliding". The caliper needs to slide on the pins to have a high and hard pedal. The caliper in question more then likely could be repaired by someone that knows what they were working with. The pins may or may have not been greased, but they dont have to be "dry" either for them to seize up. The grease eventually "dries" out a bit and sticks. Think about all the water and grime that finds its way in there. All the snow, puddles etc you drive through. Pistons themselves can also seize up.
214 bucks for 4 wheel pads and rotors and you are crying? OEM rotors on many car lines are over 100 a rotor. That could have been a 1,000 dollar brake job at a shop.
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