Here is the procedure for Radio and/or Speaker removal on the 1967 Camaro (except when equipped with Comfort-Car Air Conditioning). This is what came from the factory.
Steps 1-9 of this procedure should be followed whenever it is necessary to remove the heater or air conditioning control panel on vehicles equipped with a radio. Once the control panel is lowered, the only additional step needed for complete removal is to disconnect the electrical connection, the vacuum hose (air conditioning control panel only) and the cables from the panel.
1. Disconnect the battery ground cable.
2. Remove screws securing center floor duct to the heater distributor. Remove duct.
3. On air conditioned vehicles (except Comfort-Car) remove screw holding left air conditioning distributor plastic duct to heater distributor. Separate duct from center and right side duct. Lower left duct, with flex hose attached, to floor.
4. Remove screw securing ash tray retainer. Remove ash tray and retainer.
5. Remove radio knobs and trim plate securing nuts. Remove radio trim plate.
6. Remove the remaining screws securing face plate to dash [two of these retaining screws were removed in step 4]. Remove face plate.
7. Remove rear radio support bracket screw.
8. Remove radio retaining screws and disconnect antenna and electrical lead-ins. Remove radio.
9. After performing steps 1-8, remove screws securing heater or air conditioning control head. Lower controls and let hang.
10. Remove screw securing speaker brace and remove speaker.
11. Reverse procedure on installation.
by Chevrolet Service News Volume 39, February 1967, Number 2
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