1981 Corvette Vacuum Hose Diagram. The hoses should have colored stripes that correspond to colored paint dots on the vacuum system components. Another repair method I used successfully for these valves can be found HERE.
Download complete Corvette diagrams and catalogs. June 28 Update log on last page The purpose of this paper is to illustrate the NORMAL functions and associated vacuum and atmospheric pressure states of the vacuum operated headlight extension and retraction system in C3 Corvettes. One of the two lines that connects to the check valve goes to a T.
We specialize in restoration of C1 C2 C3 C4 C5 C6 Corvettes.
Carefully check the T itself and the hose where it goes through the firewall make sure it isnt broken or the T isnt cracked. 1981 Corvette Radiator Hoses Corvette parts. Willcox Corvette helps with headlamp vacuum diagnostics for the 1968-1982 Corvette. Another repair method I used successfully for these valves can be found HERE.