Fulltext TSBs

Technical Service Bulletins

TSB
99-12-8
  • AIR CONDITIONING – “WHISTLING” NOISE HEARD WHILE DRIVING WITH A/C OFF AT SPEEDS ABOVE 64 KM/H (40 MPH)
  • NOISE – “WHISTLING” HEARD WHILE DRIVING WITH A/C OFF AT SPEEDS ABOVE 64 KM/H (40 MPH)
Publication Date: JUNE 7, 1999

LIGHT TRUCK:
1997-1999 EXPEDITION, F-150, F-250 LD
1998-1999 NAVIGATOR

ISSUE:

A “whistling” noise may be heard while driving with A/C in the Off position at speeds above 64 km/h (40 mph) on some vehicles. This may be caused by an air leak at an Instrument Panel (IP) grommet.

ACTION:

Seal the IP grommet with Butyl Sealer. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

  1. Verify concern.
  2. Loosen IP and position away to access IP grommet (Figure 1). Refer to appropriate Workshop or Service Manual for details (IP can be loosened and positioned back slightly; it does not have to be fully removed).
  3. Install a small amount of Butyl Sealer (F8AZ-19554-CA) in IP grommet (Figure 1). Use enough sealer to seal gap with IP installed.
  4. Reinstall IP.
  5. Verify repair.

PART NUMBERPART NAME
F8AZ-19554-CAButyl Sealer

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATIONDESCRIPTIONTIME
991208ASeal Instrument Panel Grommet (F-Series/Expedition)3.3 Hrs.
991208BSeal Instrument Panel Grommet (Navigator)4.5 Hrs.

DEALER CODING

BASIC PART NO.CONDITION CODE
78044H3207

OASIS CODES:

208000, 208999, 701000, 702300




Figure 1 – Article 99-12-8


Copyright © 1999 Ford Motor Company