[zx4_ses]

xappie,Apr 17 2006, 09:59 AM Wrote:  Now I am noticing a slight "pulsing" left and right of the steering wheel when I am driving in a straight line at slow speeds ie less than 20km/h.   At highway speeds the wheel is rock steady, so I am not sure if it is a balancing issue - since I think that it would get worse at high speeds not better.

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Try rebalancing the wheels, check your tire pressures again, if it doesn't help roadforce balance is the way to go. Some Ford dealers have it now. What they do is disassemble the tires measure the high and low spots of the rims and tires, the circumference of the rims. bring the high spot of the tire together with the low spot of the rim - tis way disbalance is maximally reduced. also the would choose the best combination for your rim and tire mounting i.e. what rim the tire should be mounted on. For ex. RF tire might go on RR rim and so forth. I've had mine done, it helped a lot. i have all wheels under 4lbs. only problem is... dealers charge $100 for that. that's probably all i can think of.