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6.0
fairly significant- Typical Repair Cost:
- No data
- Average Mileage:
- 36,500 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- not sure (1 reports)
AC / heater problem
Helpful websites
- No one has added a helpful site for this 2004 Sienna problem yet. Be the first!
A D V E R T I S E M E N T S
Each summer when the A/C is running, there is a noise coming from the mid rear of the mini-van. It is sometimes very loud and sometimes very soft. It can last a few seconds. It can be short sessions. There is really no consistency except occurs in the summertime only when the A/C is running. It can be considered a hum, whooshing, or a poor instrument sound. We even recorded the sound for the dealership and they have yet to find out what the problem is. Parts that have been replaced are the motor sub assy b x 2 and cabin air filter replacement. They say if there is every a "trouble-shooting" log of it, they will replace it for free since the car is no longer under warranty. We'll wait and see. We now have more noise coming through the A/C unit so we assume, the noise will stop when the A/C blows up. If anyone has this problem and has found a resolution, please let us know.
- Mike H., Gastonia, NC, US