The air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.Google+
Car Problem Reports
Cadillac Seville STS Air conditioning compressor may leak or become noisy
Cadillac Seville STS Problem
Average Mileage: 101,067 mi (60,000 mi - 136,888 mi)
Visitor, 1999 Cadillac Seville STS, 99,768 mi
air conditioning compressor and fans vefry noisy, continually leak
Visitor, 1998 Cadillac Seville STS, 136,888 mi
it turn on by it's slfe and makes a knocking niose.
Visitor, 1996 Cadillac Seville STS, 107,613 mi
Ac was leaking,replaced compressor and drier
Visitor, 1998 Cadillac Seville STS, 60,000 mi
AC quit. Found metal in system. Replaced all components except evaporator.