My Impala was overheating and the twin fans were not working with the A/C on high.
So I replaced all 3 relays under the hood, and also replaced the two 30amp fuses that are right next to the 3 fan relays. Still the twin fans did not work, so I disconnected the coolant sensor located under the MAP sensor.
Now, one fan on the drivers side works, but the other is dead.
So I am thinking on replacing the temp coolant sensor and replacing the twin fans. In the course of troubleshooting this problem, my A/C stop blowing cold air, it works, just blows hot air now.
Can you please give me some help on this problem.
Thank You,
So I replaced all 3 relays under the hood, and also replaced the two 30amp fuses that are right next to the 3 fan relays. Still the twin fans did not work, so I disconnected the coolant sensor located under the MAP sensor.
Now, one fan on the drivers side works, but the other is dead.
So I am thinking on replacing the temp coolant sensor and replacing the twin fans. In the course of troubleshooting this problem, my A/C stop blowing cold air, it works, just blows hot air now.
Can you please give me some help on this problem.
Thank You,
Sep 16, 2026 at 8:26 AM