Front Suspension Control Arm Problems of Mercury Mountaineer

The contact owns a 2002 Mercury Mountaineer. The contact was driving approximately 40 mph on normal road conditions. There was a loud noise outside of the vehicle. The driver pulled over to the side of the road and inspected the vehicle. The vehicle resumed operation with caution to the residence. The vehicle was towed to an independent mechanic. The failure was contributed to the front and rear control arm. The front and rear control arms were replaced. The failure mileage was 121,000. The VIN was unavailable.

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My 2000 Mountaineer had 17,000 when purchased. I had noticed the dealer had just put new 235/75r15 goodyear wrangler r/ts on it. I was not suspicious but should have been. Ever since purchased I have had a vibration in the front end and my front tires have worn on the inside al the way down to a unsafe tread depth within 10,000 miles. The dealer alligned the front and checked for front end problems two days after purchase. At that time they found it was out but claimed they had just alligned it three days before also. At around 30,000 miles I had to replace the front tires because they were unsafe. I took them to the dealer and the gm told me that it was normal tire wear. I know quite a bit about cars but he did not know that. At that time they checked the front end allignment again and check for problems again and found nothing. A few weeks later the vbration got worse so I jacked it up myself and found that the one a-arm nut was loose. I tightend it and drove back to the dealerand showed one of their mechanics the problem. It had loosend up again already so he tightend all the a-arm nuts. Ileft and within 10 miles one was loose again. I went back to the dealer and told them to replace all the a-arm bolts and nuts. I have since went through 2 more sets of front tires ,so that is 4 sets of tires in 63,000 miles, but they say there is nothing wrong . Anyone having these same uneven tire wear and vibration problems please contact me. 865-776-2246 brian.

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Vehicle is making a noise in front end due to defective ball joints. Consumer has yet to contact dealer. Please provide any further information.

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After getting my Mountaineer back from accident related repairs I noticed that while backing &/or turning there was a popping sound from the front of the vehicle. One of the control arms was replaced due to the accident, the other one was replaced in 9/1999 & the vehicle is making the popping sound again.

There is no way to add lubricant to balljoints because they are sealed closed. Vehicle makes a squeaky noise when riding over a bump and can't right due to dryness. All four need replacing. Please provide more information.

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