1997 Ford Explorer

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OZGUY33
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  • 2 POSTS
Noises problem
1997 Ford Explorer 6 cyl Four Wheel Drive Automatic 200K miles

I HAVE NOTICED FOR THE PAST MONTH OR SO, THAT WHEN I DRIVE AT A CONSISTENT HIGH SPEED-IE 110km/h AND HIGHER, THAT A 'CYCLICAL' VIBRATION COMES AND GOES. IT HAS BECOME LOUDER IN THE PAST COUPLE OF WEEKS AND I BELIEVE IT IS COMING FROM THE FRONT END. I DID TAKE IT IN TO HAVE THE PROBLEM DIAGNOSED AND THE MECHANIC TOLD ME TO GET AN ALIGNMENT AND BALANCE. SO I DID. THE PROBLEM DID NOT GO AWAY. I HAVE FITTED NEW TYRES, REPLACED THE FRONT RIGHT WHEEL HUB AND REPLACED ALL BRAKE PADS THE VIBRATION COMES ON GRADUALLY, PEAKS AT A LOUD VIBRATION AND THEN GRADUALLY CYCLES DOWN TO QUIET, AND THEN COMES AGAIN..IT IS VERY REGULAR, AND ONLY NOTICEABLE AT THE HIGHER CONSISTENT SPEEDS. ANY IDEAS? DO I NEED TO REPLACE THE OTHER FRONT WHEEL HUB OR COULD THERE BE A PROBLEM WITH THE ABS SENSOR OR MOTOR? THANKYOU FOR YOUR ASSSISTANCE
Oct 12, 2008 at 6:26 AM
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KERENSELF
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I'd be more inclined to think it's coming from the Harmonic Balancer (that large pulley on the front of the crankshaft that reduces engine vibration) or a suspension/steering issue like you seem to have been thinking.....
As far as the ABS system, it merely releases the hydraulic pressure to your brake calipers/cylinders in the event that a wheel locks up while you are applying the brake - nothing likely to cause a front end vibration while traveling at high speeds, and it has its own indicator light if a problem is detected by the computer.....
Oct 13, 2008 at 1:07 PM
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