Air Conditioner problems of the 1999 Ford Escort

The contact owns a 1999 Ford Escort. The contact stated that the entire air conditioning unit had to be replaced within a month of her purchasing the vehicle. She also stated that the timing chain needed to be replaced in August of 2007. A day or two later, the valves needed to be replaced as well. The radio and clock in the vehicle would intermittently turn on and off and made a strange noise. The dealer stated that the contact was responsible for the cost of the diagnostic. The current mileage was 136,964 and failure mileage was approximately 150. Updated 5/19/08 the gear light went out. The marker light was inoperative. Updated.