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Re: Shaking steering when braking
Your front brake rotors are most likely heat distorted. When the rotors get hot, they "warp" slightly. Then, as you brake, the rotors runs in and out of true, high spot/low spot, if you will. This is transmitted up the steering column into the wheel. Replace the front pads and rotors, and get the back brake cleaned ans adjusted properly, if you do not have rear discs. This will eliminate all of your vibrations.
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If when applying the brakes the steering wheel shakes then your front rotors are warped and at the least need resurfaced and most likely the brake pads replaced. But more likely the rotors are too thin which has allowed them to overheat and warp which causes the shaking. In this case new rotors and pads are in order. If when braking tou feel the shaking in the seat of your pants then most likely the rear brakes are the issue. Same problem as the front, warpage, but your rear brakes are most likely drums. Again, possible resurfacing and new shoes; but more likely new drums and brake shoes.
But I wonder? Did this vibrating just start all of a sudden or maybe after a near accident requiring you to brake very heavily and possibly overheat the brakes. Or my main concern, to keep this from happening again, after pulling some type of trailer that you intend on pulling again. Pulling a trailer without its own brakes puts a much heavier load on your trucks brakes and just repairing them won't keep it from happening again if you ARE pulling a trailer. Higher quality rotors/pads/drums/ and brake shoes can help but if the trailer is too heavy for the truck nothing but installing brakes on the trailer or a lighter trailer will stop you from warping them again.
Lastly, in general when you let off the gas and the whole vehicle shakes the driveshaft/u-joints are common causes. Same with the steering wheel if it shakes when letting off the gas, but only on a 4x4 or AWD vehicle. So check your driveshafts and u-joints and make sure they are tight. But unless you find something obvious there I would wait until you have the brakes sorted out and see if that doesn't stop all the shaking.
Sounds like bad brake pulsation, meaning warped rotors. When rotors are warped , they push the caliper piston in and out ,causing the brake pedal to pulsate and shake the steering wheel. I would start with replacing the front pads and rotors, and if you have drum brakes in the rear, have those cleaned and adjusted for a more balanced braking system.
great danger there. dont go fast.
can be tires out of balance (tire weighs feel off)
or wheel falling off (ever check the lugs)
tire bad. (bulged, delaminations , man killer tires, like Firestones)
tire rods balls, ready to fall off (more man killers)
ball joint ,ready to fail. and far far worse...
why not get the car serviced, have them check it out before.... bad happens.
noise and vibration or shaking on any machine means , doom is coming. in most cases,.
If the car shakes while you are pressing the brakes, you likely have warped brake rotors (usually the front brakes are the culprit because they provide most of the stopping power and accumulate the most heat). If that's the case, you should have the rotors and pads replaced.
Shaky steering can be alot of things, so lets start with probable causes. Wheel alignment, wheels not balanced, worn out suspension or linkage. The smoking and burned brake smell could be the same problem if the caliper is sticking, this too can cause a shimmy or shake in the wheel... You really need to get those front wheels off and take a good look. If your not really privy to what exactly your looking for please take it to your trusted mechanic, and have them check it out...Good Luck!!
I believe you need your disk brake rotors turned to be true again or have them replaced. Whe you use your brakes a lot and kit puddles of cold water then it will warp the rotors which will cause the violent shaking. You may not feel it in the brake pedal even if it is warped rotors. If you don't think you have warped rotors then you should be very careful driving it because it will probably be in the steering sector arm or the idler arm on the steering shaft.