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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'95 Chrysler Sebring, Biodegradable Wheel Bearings and Rotors

Q: I own a ‘95 Chrysler Sebring Coupe LX, with disc brakes. I seem to be going through wheel bearings like there is no tomorrow. I just had the passenger side replaced in November and now both front ones are gone. Did I buy a vehicle that was in a serious accident? I religiously get it adjusted for alignment every 4-6 months. Is the frame twisted? Why do my wheel rotors keep warping? I live in the city, is it my driving style? I do not ride the brakes, I just drive like a sane man. I just had the rotors and pads replaced last January and now the 'ol pulsation is back. There is no ABS on this car. Please help me with this Lemon, parts are not cheap!

A: First I think you’re wasting money. Why? An alignment every 4 to 6 months is a little too religious for me. I would not suggest alignments that often unless the vehicle was operating under conditions that required it. Wheel bearings, once in a great while we’ll have a problem, but nothing to the extent that you’re describing. The wheel bearing in your vehicle has an axle that passes through with a large nut to secure it. The quickest way to shorten a wheel bearing’s life is to tighten that axle nut with an air tool. Hand tightening and torquing is the only way to perform the job. The impacting action of the air wrench will chip the bearing to roller surface. In a short time the chips turn into chunks and the wheel bearing is ready for recycling. If the same air tool is being used to tighten the lug/wheel nuts, then the brake rotors will quickly pass away to pulsation. The short of it? Too many problems with the same product? Question the installation.

 
     
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