Specifications

1.3L ENG SECONDARY AIR CONTROL SYSTEM MODIFICATION CAT. 4, NO. 002/84
Article Text
1984 Mazda RX7
For iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Saturday, June 08, 2002 10:56PM
ARTICLE BEGINNING
TECHNICAL SERVICE BULLETIN
SECONDARY AIR CONTROL SYSTEM MODIFICATION
Model: 1984 RX-7 (12A)
Bulletin No.: 002/84
Date: 7/13/84
Category: 4
DESCRIPTION
The Secondary Air Control System has been modified since the
production date of March 1984.
Now air is injected behind the No. 1 pre-month converter when the Port
Air Switching Valve (newly added to the Air Control Valve) is open.
Port and split air operation remain the same as previous years.
Fig. 1: Secondary Air Control System Modification
OPERATION
The Port Air Switching Valve will open between 3,000-4,000 rpm or
above 50 mph.
VIN OF PRODUCTION CHANGE
RX-7 (12A): JMIFB331 E0824687 March, 1984