Even easier fix for the Evaporator worry. Buy an extended warranty with the car. It will cost you a lot less than a new evaporator or transmission.

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"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles