I am going to yell at my mechanic the next time he puts the wheels on with an impact wrench. I have found literature for other shops instructing their employees to do so, but haven't been to other shops to watch. Costco is the only tire shop I have ever seen use a torque wrench to install wheels. I would retorque the lug nuts first and see if that resolves pulsing brakes. The front brakes were being overworked and would warp if I got too heavy on the brake pedal. I saw that the adjusting ratchet had worn/corroded and was no longer adjusting the shoes into place. About the time I got rid of it I realized I had changed the shoes once in 8 years 70K miles and the pads several times. Don't know why the design of this vehicle is so sensitive, but the design engineers do much to reduce weight.Īdditionally, I had a '98 ranger that would warp rotors constantly. If I had not solved this problem myself I would still doubt it. Uneven torque warps the rotors and the longer you drive on them the worse it gets. Your lug nuts should be torqued to factory specs with a torque wrench. This time I retorqued the lug nuts as soon as I got home. ![]() I later had the wheels changed to aluminum and he did the same thing and same problem and same solution. ![]() I drove 1,000 miles after before I retorqued the lug nits. I reset the lug nut torque with a torque wrench to 90-95 ft-lbs and the problem went away. I found that my mechanic believes more is better when it comes to lug nut torque. I've had problems with vibration when braking before 10K miles.
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