EGR Delay Valve Kit Field Installation Procedures (83 GLC ATX Only)

PARTS INFORMATION

EGR Delay Valve: E564-20-309
Orifice: E564-13-986
Emissions Label (Ca.): BE39-69-044A

EGR Delay Valve Installation:

STEP 1 Inspecting for previously-installed EGR Delay Valve Kits.

1) Inspect the vacuum hose (red stripe) to the EGR Valve approximately 6 inches from the modulator valve. If a delay valve has been installed the modification has already been completed.

If there is no delay valve, proceed with the installation procedures below.
STEP 2 Kit installation procedures.

1) Install the delay valve in the vacuum hose (red stripe) between the EGR Valve and the EGR Modulator Valve.

Note: This work can be done without removing the air cleaner.

a. Cut a 20 mm section from the vacuum hose at the location shown.

b. Install the delay valve with the ARROW POINTING TOWARD THE EGR VALVE.

Orifice Location:

2) Install the Orifice.

a. Remove the vacuum hose (green stripe) from the carburetor at the location shown.

b. Install the orifice as shown.

c. Re-install the vacuum hose.

Vacuum Hose Routing Label:

3) Replace the vacuum hose routing label (California models only).

a. Install the modified vacuum hose routing label over the old label located under the hood.