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Changed out the thermostat and instantly the heat was back on in the car and the car shifted appropriately. However, while changing the thermostat out I noticed that the coolant is in bad shape and I need to flush the system and change a hose with a crack. I already have a bottle of cooling sytem fl...

Near St. Louis. I bought a thermostat and housing and will put on tonight after draining the coolant. I will let you guys know how things went when I finish.

Manual A/C. I just fired it up after sitting all night. The upper radiator hose gadually gets warm.

I have a 2000 Leganza with auto trans and 125000 miles on it. For the last few months the car takes several miles to warm up to the point where it will shift into overdrive, after which it shifts fine. I have also lost almost all heat. The A/C works fine, but even after a thirty minute drive, the he...