Question about 2002 Cadillac Escalade Ext

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Vibation and slugish

We have a 99 cadillac escalade when we get up to 60 mph it vibrates in the stearing and makes a strange poping noise when you turn. We have replaced the transmition filter, the fuel fiter, and lower ball joints we are out of ideas and no one seems to know

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Hi I am Vortash .. I have to say first that this is not a car I have ever worked on , but it's a car so the fundementals will still be the same . Steering shudder usually occours due to 4 things Road wheels or suspension or steering itself ( this includes the ball joints that you say you have replaced )
1/ when you have new tyres fitted it is usually par for the course that they are balanced , this is the wheel is spun mechanicaly and a machine measures the axis wobble or TRUE .. a metal weight is placed at a point indicated by the machine to equalise the weight and give a true spin.... These weights sometimes come off causing the wheel to shake .
The wheels are buckled pot holes cause severe camage if hit at speed also knocking the tracking out causing tyre exstensive tyre wear .
2/ The suspension uhits .. if they become damaged they themselves wobble transfering movement to the steering
3/ steering the track rod ends wear and become loose allowing the front wheels to again wobble and run out of true .
4/ wheel bearings worn severly
The popping you hear I suspect is the sound of the tyres being dragged one way or the other traping air and poping it out , but I would have thought to do this the tyre pressure would have to be extreemly low .. you should have a miniumum of 24psi in the front and 28psi in the rear which is increased at the by 10% if towing .

I hope this is of some help Regards Vortash

Posted on May 17, 2009

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