Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
This is the schematic for the engine. Is that what you're after?
what i'm looking for is the scymatic diagram for the ac and heating vacuum hose and where it leads to
DEFINITION: This table shows the state of the vacuum supply at the vacuum ports shown in the Vacuum Routing Diagram for each mode switch position. The port numbers are located on the vacuum rotary (mode) switch.
NOTE: No source vacuum, insufficient source vacuum, or an improperly routed vacuum supply will cause air delivery to be improper. Refer to Air Delivery Improper in Heating, Ventilation and Air Conditioning for proper diagnosis.