peter026

Thanks for the replies. Update. The car went into the garage, new belt fitted, battery checked, OK charging @ 14+ volts, switched A/C on and charge dropped to 12.1 and power steering failed. Switched A/C off and power steering returns. Put new alternator on, and no difference the fault is still there, so something is putting an excessive load on the alternator somewhere. Any more Ideas. I'll mention the RPM sensor when I get back to the garage tomorrow, the tensioner was all OK

Thanks for your input, car due to have new fan belt fitted this weekend and also the alternator checked, will let you know if this fixes the problem, or not.

My 97 GS300 has developed a strange, but none the less an irratating problem. At Idle, or crawling speed, the power steering doesn't work, also the A/C light flashes. Normal driving every thing works fine. Is this a fan belt issue, ( have ordered a new one ) or something more sinister, and is going to cost me an arm and leg. TIA