Loosing coolant, not on ground under car. on 1999 Cadillac Catera

I have recently had system flushed and pressure tested. No oil in water reservoir and no water in the oil. Uses coolant a lot faster with the A/C on.

by in Huntersville, NC on April 10, 2013
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1 answer
ANSWER by , April 10, 2013
no tsb's on this,but there are some about alum heater cores and radiators. poss water pump leaking only while driving?