Monte Carlo V6-231 3.8L VIN A (1984)
FIGURE B - EGR Vacuum Diagnostic Control - Second Type Valves
Figures A and B show both first and second type EVRV's. The EGR vacuum diagnostic control switch shown in Figures A and B is
serviced separately. Should the diagnostics procedure lead to the replacement of this switch, P/N 25519370 should be ordered.
FIGURE B - EGR Vacuum Diagnostic Control - Second Type Valves
The filter for second type valves (Figure B) will also be serviced by P/N 25520267 beginning approximately November, 1983.