Repair Procedure

I. Inspect and repair secondary vacuum break as required.

a. Check secondary vacuum break for leakage by applying vacuum with hand vacuum device (J-23738) or equivalent. The unit should hold the vacuum level.

b. If repair is indicated, replace unit as detailed in the 1982 Chevrolet Cavalier Shop Manual (ST-366-82) page 6C1-16.

c. Check vacuum break for proper setting (27 deg.). If adjustment is required, reset using secondary vacuum break adjusting procedure detailed in Figure 6C1-8D of the 1982 Chevrolet Cavalier Shop Manual (ST-366-82).

REROUTE EGR SIGNAL LINE:

II. Reroute EGR signal line to canister purge port of carburetor to provide earlier signal. (Refer Figure 1).

a. Connect one end of the 18" emission hose to the base of the Y connector.

b. Remove the canister purge control hose from the rear of the carburetor (port B) and connect the other end of the 18" hose to the carburetor port.

c. Reconnect the canister purge control hose to the small nipple of the Y connector.

d. Remove the EGR signal hose from the rear of the carburetor (port C) and install the rubber cap on the carburetor port to seal this signal location.

e. Connect the EGR signal hose to the remaining nipple of the Y connector.

f. Strap the new emission hose to the power steering line or engine wiring harness to prevent it from moving around.
III. Perform a functional check of the revised EGR system using the procedure detailed in the 1982 Chevrolet Cavalier Shop Manual (ST-366-82) page 6E-44.

IV. On automatic transmissions only, reset initial timing to 8 degrees BTDC using procedure found in the 1982 Chevrolet Cavalier Shop Manual (ST-366-82) page 6D-19.

TUNE-UP LABEL LOCATION:

V. Remove old tune-up label located on shock tower and install new label (P/N 14100959). Do not install the new label over the old label. (Refer Figure 2).
VI. Install the "Campaign Identification Label".

CAMPAIGN IDENTIFICATION LABEL:

CAMPAIGN IDENTIFICATION LABEL

Each vehicle modified in accordance with the instructions outlined in this Product Campaign Bulletin will require a "Campaign Identification Label." Each label provides a space to include the five digit dealer code of the dealer performing the campaign service. This information may be inserted with a typewriter or ballpoint pen.
Each "Campaign Identification Label" is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner.

Apply "Campaign Identification Label" only on a clean dry surface.