C3 Headlights Opening Slowly Or Falling?
- Nov 5, 2013
C3 headlights. GM came out with the pop-up headlights in 1968 and had them all the way through to 1982. Owners have had issues with these vacuum driven headlights. As their Corvettes age, the headlights develop problems due to rubber hoses that wear out. The main problem is the hose will crack around the attachment points on the headlight actuators, valves, tank or at the engine. Each connecting point needs to be checked and if cracked, a small portion of the hose can be trimmed and then reattached to give a leak free connection. The other area to address is at the headlight valves; these valves have a sponge type material that allows air in the valve. Over time they get filled with dirt which prevents the air in and causes slow opening. Once all these areas are addressed, your headlights should function like new.
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