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3rd & 4th Generation (1992–1996 & 1997–2001) Toyota Camry Discussion for years: 1992-1996 & 1997-2001 Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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Old 05-21-2009, 08:03 PM   #1 (permalink)
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Car shakes when I brake?

When I'm going above 50MPH, and touch the brakes, the whole car shakes, it just recently happened maybe a month ago, and I installed new set of brakes maybe 6-7 months ago if that helps.
I'm honestly scared to brake my car at times, it shakes my WHOLE freaking car man.
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Old 05-21-2009, 09:04 PM   #2 (permalink)
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Your rotors are warped. Go get new ones or have them resurfaced.
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Old 05-21-2009, 11:04 PM   #3 (permalink)
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Most likely warped rotor. (And you do periodically rotate and balance your tires?)

What brake pads did you use? Did you use a torque wrench on the lug nuts? Harbor Freight has 1/2"-drive 150 lb/ft for < $15. There should be one in every trunk as far as I'm concerned.

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Originally Posted by SmartedPanda View Post
When I'm going above 50MPH, and touch the brakes, the whole car shakes, it just recently happened maybe a month ago, and I installed new set of brakes maybe 6-7 months ago if that helps.
I'm honestly scared to brake my car at times, it shakes my WHOLE freaking car man.
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Old 05-22-2009, 03:30 PM   #4 (permalink)
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Like said above youe rotors are worped. Mostlikely cosed by over or uneven torq of the lugnuts. There is 2 ways to fix them. Have them reserfised or replace. Always torq your lugs to spec. I even redo mine at home after I go to the tire shop
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Old 05-22-2009, 07:45 PM   #5 (permalink)
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It's also possible one of the guide pins on the caliper is frozen or sticking. Try taking everything part and cleaning it then putting it all back together. If it's still there, then you most likely have warped rotors like everyone is saying.
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Old 05-22-2009, 09:33 PM   #6 (permalink)
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It's also possible one of the guide pins on the caliper is frozen or sticking. Try taking everything part and cleaning it then putting it all back together. If it's still there, then you most likely have warped rotors like everyone is saying.
Not real likely. Just for the fact the guide pins don't move that much. And when that dose happen the car dramaticly swerves to the side that is working right.
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Old 05-23-2009, 07:51 AM   #7 (permalink)
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Quote:
And when that dose happen the car dramaticly swerves to the side that is working right.
Not always. You probably have a warped rotor but if you are going to take it apart you might as well check for any other problems. I found a stuck guide pin and had no swerving. I also suggest a torque wrench for your lugs. Most shops now use a torque stick on their air guns which gets the torques much more even on the lug nuts. While this is not 100% it has helped cut back on warped rotors due to uneven torque.
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Old 05-23-2009, 01:26 PM   #8 (permalink)
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Quote:
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Most likely warped rotor. (And you do periodically rotate and balance your tires?)

What brake pads did you use? Did you use a torque wrench on the lug nuts? Harbor Freight has 1/2"-drive 150 lb/ft for < $15. There should be one in every trunk as far as I'm concerned.
Aren't torque wrenches sensitive to vibration? Even though the HF ones are cheap...
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Old 05-23-2009, 02:07 PM   #9 (permalink)
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Aren't torque wrenches sensitive to vibration? Even though the HF ones are cheap...
Yes thay are. Mainly the rod type and the electric ones. That's why I carry the twist type. Its spring loaded you just need to make sure you always back it all the way back when not in use
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Old 05-24-2009, 12:07 AM   #10 (permalink)
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Thanks, I'll check my brake rotors. It's more of my steering wheel then my actual car.
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Old 05-24-2009, 02:43 AM   #11 (permalink)
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That is where you will feel it. Real drivers feel there car from the wheel and gas/brake pedle. Also from the shifter if you have a stick
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Old 06-25-2009, 10:36 PM   #12 (permalink)
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Any way of knowing 100% it's warped?
I rotated my tires, and it feels much better but it still shudders.

Any aftermarket suggestions?

Any larger disk brakes?

Any way to know 100%?

Thank You.
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Old 06-26-2009, 12:59 AM   #13 (permalink)
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Turning a torque wrench needs to be a slow and smooth motion.

HF seems like the same ones sold in parts stores and Walmart at higher prices, but seems accurate compared against beam type.

I also have Danaher-made Craftsman and Kobalt (Lowe's). The Kobalts are better made, with metal lock rings. The Craftsmans, I heard, break the plastic lock rings all the time and the handles can turn loose from repeated use (lock nut came loose).

And guess which one has a lifetime (excluding calibration) warranty? HF!


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Aren't torque wrenches sensitive to vibration? Even though the HF ones are cheap...
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Old 06-26-2009, 01:05 AM   #14 (permalink)
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You're right you need to properly diagnose it before starting parts replacement.

You (or the mechanic) can use a dial caliper to check the rotors for runouts. If the dial move a good deal (forgot what the tolerance was), you have a warped rotor.

There are other things that can cause vibrations, but you usually have them even before you step on the brakes. (for example, alignment and wheel balance). Sure, like others said, caliper and anchor pin sticking may contribute as well.

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Originally Posted by SmartedPanda View Post
Any way of knowing 100% it's warped?
I rotated my tires, and it feels much better but it still shudders.

Any aftermarket suggestions?

Any larger disk brakes?

Any way to know 100%?

Thank You.
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Old 06-26-2009, 01:08 AM   #15 (permalink)
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Ummm, not dial caliper. Dial indicator, mounted in a suitable magnetic or clamp holder. Like the following:

http://www.harborfreight.com/cpi/cta...Itemnumber=623
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