Had a truck at work overheat and didnt have any heat in the cab either. I pulled the waterpump and the plastic impeller was spinning on the shaft. 40K miles i guess its the original waterpump. I was kinda hoping it was the HGs or something so i could take it apart.

 

Now is a good time to upgrade the front engine cover so you can go with the bigger water pump for improved cooling, so you can take it apart.