(Äk'sÄn-trÄ­s'Ä­-tÄ) 1  A measure of the deviation of an elliptical path, especially an orbit, from a perfect circle. It is equal to the ratio of the distance between the foci of the ellipse to the length of the major axis of the ellipse (the distance between the two points farthest apart on the ellipse).
An apparently common problem with GM Tilt Steering columns is that they become loose from four bolts backing out deep in the tilt assembly. A good shop will be experienced in taking care of for about $100. With the correct tools and a bit of patience you can fix it yourself. You Will Need.
The majority of the cost is labor, because many parts need to be removed from the engine to gain access to the belt. A typical timing belt will only cost between $25 and $50, but the repair takes at least a few hours. The labor cost to replace a timing belt can range from $200 â $900. Timing belt replacement should be conducted by a professional mechanic as it is an advanced project that requires one to disassemble the engine to be able to remove the old belt.