Impala V8-305 5.0L VIN H 4-bbl (1982)
Figure 2 - ASPIRATOR & BACK PRESSURE VALVE
1.
Cut hose between air management valve and air cleaner 2.5 inches from valve and remove 1 inch of hose from remainder and discard. Insert back
pressure valve (P/N 14080391), poppet opening toward air cleaner, and clamp both ends of 2.5 inch hose with hose clamps (P/N 549589). See
Figure 2.
2.
Remove 3/4 inch of hose from between air management valve and air pump, discard. Insert tee (P/N 14080392) and clamp both ends with hose
clamps (P/N 549589). Insert 2 inches 1/2 ID hose on third leg of tee. Insert aspirator (P/N 25031503) on other end of 2 inch hose. Clamp both
ends of 2 inch hose with hose clamp (PIN 477402). See Figure 2.