If the HVAC (heater) housing is not properly sealed at the bulkhead (firewall), water can leak into the passenger compartment. Foam sealant should be used to seal any gaps and the evaporator drain tube can be modified to prevent further water entry.
2004 Chrysler Town & Country Problem Reports
Most Reported 2004 Chrysler Town & Country Problem Reports
Due to a lack of lubrication, the AC compressor can fail. The AC compressor warranty was extended to seven years or 70,000 miles.
While turning in either direction during low speed parking lot maneuvers, if a creaking, squawking, squeaking, grinding, or groaning sound is heard from the front strut area, locate the front strut dust boot and rotate the dust boot side to side. If the sound is present, applying lubricant to the jounce bumper (bump stop) of both front struts can help with the noise.
If you have to press the remote button numerous times to open the power liftgate, it may be necessary to update the software in the power liftgate module to correct this issue.
Under heavy acceleration in temperatures above 80° F, an engine spark knock can be heard. The powertrain control module should be replaced.