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TSB 92-22-08 EGR Tube
Publication Date: OCTOBER 21, 1992

LIGHT TRUCK: 1988-91 BRONCO, ECONOLINE, F-150, F-250, F-350

ISSUE: The EGR tube may break resulting in an exhaust noise. This occurs because of a weakness in the EGR tube design.

ACTION: Install a new stronger EGR tube and exhaust manifold connector fitting. Refer to the following procedure for service details.

SERVICE PROCEDURE
1. Remove the existing EGR tube and exhaust manifold fitting.
2. Install a new EGR tube (FOTZ-9D477-A) and new flared exhaust manifold connector fitting (FOTZ-9F485-A).
NOTE: BE CERTAIN TO USE THE FOLLOWING TORQUE SPECIFICATIONS.
3. Tighten the EGR tube fittings to 25-35 lb-ft (34-47 N-m).
4. Tighten the exhaust manifold connector fitting to 40-50 lb-ft (54-68 N-m).
5. Secure all vacuum lines away from the EGR tube after replacement.
CAUTION: ALL VACUUM LINES MUST BE SECURED AWAY FROM THE EGR TUBE AFTER REPLACEMENT.
6. Obtain an Authorized Modifications Decal and list the date, dealer number, and summary of alterations performed. Select a prominent place adjacent to the Vehicle Emission Control Information Decal suitable for installing the Authorized Modifications Decal. Clean the area, install the decal, and cover it with a clear plastic decal shield.

PART NUMBER PART NAME
FOTZ-9D477-A EGR Tube
FOTZ-9F485-A Exhaust Manifold Connector Fitting

OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 90-10-11
WARRANTY STATUS: Eligible Under Basic And Emissions Warranty Coverage For 1988-1991 Models, Bumper To Bumper And Emissions Warranty Coverage For 1992 Models

OPERATION DESCRIPTION TIME
922208A Install EGR Tube - Econoline 1.7 Hr.
922208B Install EGR Tube - F-Series, Bronco 1.2 Hr.

For other TSBs, check here.