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TSB 98-03-18 Revised Defrost Duct Seal
Publication Date: FEBRUARY 16, 1998

LIGHT TRUCK: 1992-96 BRONCO, F-150, F-250 LD
1992-97 F-250 HD, F-350

ISSUE: Defroster performance can be enhanced by reducing air leakage between the defroster nozzle and the dash panel seal.

ACTION: Install a Defroster Nozzle Seal Kit. The seal kit should reduce the amount of lost air flow and enhance defroster performance. Refer to the following Service Procedure for details.

SERVICE PROCEDURE
1. Remove the instrument panel cover as outlined in the appropriate Service Manual.
2. Install the defroster seals as shown.
3. Reinstall the instrument panel cover.
4. Verify proper operation of the Fresh/Recirc door following the procedures outlined in the appropriate Service Manual.
5. Verify proper A/C refrigerant system operation following procedures outlined in the appropriate Service Manual.
6. Verify no plugged A/C condensate drain tube or excessive moisture inside of the vehicle.

PART NUMBER PART NAME
F6TZ-18C367-CA Defroster Nozzle Seal Kit

OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 98-1-22
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME
980318A Install Defroster Nozzle Seal Kit 2.2 Hrs.

For other TSBs, check here.

See also:
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