GS - 1st Gen (1993-1997) Discussion about the first generation GS300

new slot rotors and oem brake pads,car still shakes

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Old 09-08-04, 07:57 AM
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lexus4jess
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Default new slot rotors and oem brake pads,car still shakes

Man the car still shakes when I apply the brakes.what am I doing wrong.New rotors ,new oem brake pads.
roll on stocks to go to work,lol 120+ miles a day.
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010001.jpg  

Last edited by lexus4jess; 09-08-04 at 08:01 AM.
Old 09-08-04, 07:58 AM
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lexus4jess
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rotors.rear
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010004.jpg  
Old 09-08-04, 07:59 AM
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lexus4jess
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front rotor
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010006.jpg  
Old 09-08-04, 08:00 AM
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lexus4jess
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old ones.front
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010002.jpg  
Old 09-08-04, 08:52 AM
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Pianoman72
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I'm sure you used a torque wrench to tighten the lug nuts all the same. Only thing I can think you might try is maybe a brake fluid flush?
Old 09-08-04, 11:39 AM
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BlazeGS3
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Would hate to see it, but you could have a new rotor that is warped. I bought a set off ebay and the rears were warped. I had the same problem - car still shook the same after they were installed. I then took them in and had them looked at and all 4 were warped. Evidently I got some used rotors. The new slotted and dimpled rotors were fine though, but it did take a little time for things to break in. The first couple times I pushed the brakes I thought I felt it shake but I think it was a combination of new pads, new rotor surface, slots on the rotors which until worn in grip the pad a little differently, etc. Now it's all good.

Take them in and have them checked. I'll bet one is still warped.
Old 09-08-04, 12:59 PM
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lexus4jess
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Originally posted by BlazeGS3
Would hate to see it, but you could have a new rotor that is warped. I bought a set off ebay and the rears were warped. I had the same problem - car still shook the same after they were installed. I then took them in and had them looked at and all 4 were warped. Evidently I got some used rotors. The new slotted and dimpled rotors were fine though, but it did take a little time for things to break in. The first couple times I pushed the brakes I thought I felt it shake but I think it was a combination of new pads, new rotor surface, slots on the rotors which until worn in grip the pad a little differently, etc. Now it's all good.

Take them in and have them checked. I'll bet one is still warped.
yeah,will do that.Bought them in a store in Pomona,CA.
Old 09-08-04, 03:43 PM
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Wald GS
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What store Jess? Its right by my school, I'm sure...
Old 09-10-04, 09:55 PM
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lexus4jess
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Got the rotors turned today.All of them where worped.3 where off by .003 thousands of an inche.two front and one rear driver side.The passenger is off by .080 + thousands of an inche.I am going to take it back to get another one.Have one stock rotor on for now.The car brakes smooth.No shaken when I brake.hehe.

So when you guys buy new rotors ,it best to get them turned before you put them on the car..
Old 09-12-04, 11:41 AM
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AlexR
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you turned your drilled/slotted rotors? I was under then impression that they can't be machined...
Old 09-12-04, 12:40 PM
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BlazeGS3
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They can't be. lexus4jess2 - can you explain?
Old 09-12-04, 03:12 PM
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Originally posted by BlazeGS3
They can't be. lexus4jess2 - can you explain?
YES THEY CAN.have picture of the process.they machined .001 thousands at a time.Will post pic.
Old 09-12-04, 03:26 PM
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Originally posted by BlazeGS3
They can't be. lexus4jess2 - can you explain?
Here is the rotor on the machine.
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010005.jpg  
Old 09-12-04, 03:27 PM
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here is the rotor spinning,as you can see the dark spot is where the rotor is worped.
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010012.jpg  
Old 09-12-04, 03:28 PM
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here you see the rotor finished.
Attached Thumbnails new slot rotors and oem brake pads,car still shakes-p1010009.jpg  


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