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Current version by: oldturkey03 (vote details) ,

Title:

Why does thermostat look like car will overheat

Text:

Whenever I drive 10-15 minutes my thermostat will risebetween middle line and red overheat area but then drops back down. My heat also blows cold when it rises and blows hot when it lowers. My coolant light flashes but theres coolant in the radiator. Any ideas?

Device:

Oldsmobile

Status:

open

Accepted Answer:

547455

Original post by: Daneen ,

Title:

Why does thermostat look like car will overheat

Text:

Whenever I drive 10-15 minutes my thermostat will risebetween middle line and red overheat area but then drops back down. My heat also blows cold when it rises and blows hot when it lowers. My coolant light flashes but theres coolant in the radiator. Any ideas?

Device:

Oldsmobile

Status:

open