94 Corvette Vacuum Diagram. This will cause erratic timing with associated unstable idle rpm. Ac system vacuum line and freshrecirculate door actuator repair to get the vents working properly.
This will cause erratic timing with associated unstable idle rpm. If none of the above are present try an internet search. First used the diagram above to ensure the vacuum system is wired correctly.
Johnjohn2s diagram is not how the 89 corvette vacuum lines are connected.
1978 corvette emission vacuum willcox corvette inc. Vacuum level 2 below numerically less than the manifold vacuum present at idle. Express order catalog request news contact us 800 757 keen cart new products categories corvette shows. Trace out your vacuum lines hose by hose on most vehicles from the late 1970s through the 1980s and into the 90s.