How to remove gas gauge on 1975 olds cutlass

For a 1975 Cutlass, you're dealing with very basic things -- a sending unit in the fuel tank with a potentiometer. The electrical voltage and resistance based on float height changes the gauge. Why would you be looking to remove the gauge? Have you checked the sending unit and checked resistance and voltage? Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops