FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Attachment III - Technical Instructions





EMISSIONS CONTROL SYSTEM MODIFICATION INSTRUCTIONS

AFFECTED VEHICLES:
Certain 1986 Model Escort Lynx/EXP Emissions System Modification - 1.9L engines with Calibration Codes 6-08A-R25, R27 and R28

Inspection Instructions

1. Verify engine calibration.

2. If engine calibration is 6-08A-R25:

^ Obtain a copy of emissions Recall 86E55.

^ Audit the engine emissions control system to assure that Emissions Recall 86E55 service has been performed.

^ Provide 86E55 service, if necessary.

3. If engine calibration code is 6-08A-R27 or R28, continue with the following modification instructions.

Modification Instructions

Removal and Installation

1. Remove air cleaner assembly.

2. Remove power steering reservoir filler neck extension.





3. Disconnect PCV valve and hose assembly from intake manifold, vacuum elbow and separator (Figure 1).

4. Remove vacuum elbow from vacuum line.

5. Install new crankcase vent valve and hose assembly.





6. Remove choke pull-down vacuum delay valve (Brown/Black) (Figure 2).

7. Disconnect yellow spark port vacuum line and white EGR port vacuum line from vacuum ports on rear of carburetor (Figure 2, View A).

8. Install 5/32-inch vacuum cap on spark port (Figure 2, View A).

9. Install "T" connector and hose assembly on EGR port on rear of carburetor (Figure 2, View A).

10. Connect yellow spark port vacuum hose and white EGR port vacuum hose to fittings shown in Figure 2, View A.





11. Install 2-inch hose between choke pull-down fitting and existing vacuum hose (Figure 3).

12. Install power steering reservoir filler neck extension.

13. Install air cleaner.





14. Disconnect vacuum hose from the air control side of combination air control and bypass valve. Remove vacuum delay valve from hose and reconnect hose to air control and bypass valve (Figure 4).





15. Disconnect vacuum hose at distributor vacuum advance. Install Green/Black vacuum delay valve and hose assembly (Figure 5).

NOTE:
Green side of valve goes toward distributor.





VEHICLE EMISSION CONTROL INFORMATION LABEL

Attach Vehicle Emission Control Information Decal (provided in the parts kit) over the existing Vehicle Emission Control Information (VECI) label.





AUTHORIZED MODIFICATIONS LABEL

The preprinted Authorized Modifications Label shown below is provided in the parts kit.

^ Insert your P & A Code and date and attach the Authorized Modifications Label to a clean surface on the fan shroud.

^ Place the clear overlay on the label.