Whether or not the final divorce decree of your husband and his ex-wife can be modified due to her failure to abide by the terms of it depends upon what the decree states. As such, he will need to carefully read it to determine whether or not the car issue is set in stone where the former spouse is to make payments on it even though your husband's name remains on the loan.The court has no power to remove your husband's name from the loan because that would affect the lender's rights and the lender was not a party to the dissolution action.