Search Results for ‘overheat’

Hello, just last week I noticed when I am driving. That my coolant fan is now always on. (Not while ignition is off). I don’t ever recall hearing the fan come on ever. Now it’s always on. When at a stop it will slow down. But as soon as I start driving it kicks in high. And although it wasn’t...

Our 05 Sienna has been a beast for 300,000 miles without fail now but yesterday it started overheating when the motor is idling and the a/c starts blowing out hot air. When I drive it cools to the proper point but then heats up again when stopped. The fans are working properly and kicking on...

Hey everybody, I have a 2004 sienna and I'm pretty sure I contacted Toyota years back and they told me that the MIL will light up if you overheated the trannie. I can't remember what the specs were or what the specific code was. Can anybody confirm this with specifications? Thanks! Rob

Hi all, So, after having made around a 2.5 hour drive in our 04 Sienna, I parked at the local grocery store to run in and grab a few things, leaving the van running with the a/c on (wife and kids were in the car). Came back out after about 10 minutes to find that the fan was running _loudly_...