Get your taxes done using TurboTax

And make sure you are in your Desktop installed program and not in the Online version.  Looks like you are posting from Online.  If you see a black vertical menu bar down the left side that is the Online version.  The Desktop program has the menu items across the top.  

Do you only owe 4,000 but paid 5,000 so you should be getting 1,000 refund OR do you still owe another 4,000 after paying the 5,000?  Check 1040 line 31 for the 5,000 extension payment which comes from schedule 3 line 10.  Make sure it's there!