My Answer: The primary reasons are aerodynamics. Most will cite weight and power losses to mechanics, but these losses are often mitigated through the increased torque (power) that AWD adds to the wheel output and the better traction control and vehicle stability AWD brings. Read about this at CarNewsCafe.com.
Diagnosing wheel bearing problems is relatively simple. In most cases, lifting the car and spinning the free tire(s) to watch for wobbling or shuddering. On many vehicles, especially smaller cars, grabbing the wheel on opposite sides and wiggling left-right and up-down, can tell an experienced mechanic if there is too …
He was showing uneven tire wear, a feeling of “wobbling” at the rear of the car, and the car is pulling to one side. All of these can be signs of a bad bearing, but they can also be a few other things, such as a wheel alignment issue or …
