Tape Player - Hissing Noise

91ford23

Article No. 91-17-7
08/21/91


^ RADIO - TAPE PLAYER - MAKES HISSING NOISE - CARS WITH VEHICLE MAINTENANCE MONITOR (VMM)

^ NOISE - "HISS" FROM TAPE PLAYER DURING QUIET PASSAGES - VEHICLES WITH VMM


FORD: 1989-90 THUNDERBIRD

LINCOLN-MERCURY: 1989-90 COUGAR


ISSUE: A hissing noise may be heard from the tape player during quiet passages. This occurs because of electromagnetic interference from the transformer being picked up by the head of the tape player.

ACTION: Install a new vehicle maintenance monitor. Refer to the 1989/90 Thunderbird/Cougar Shop Manual, Section 33-38, for service details.


NOTE: SUSPECT VEHICLE MAINTENANCE MONITORS MUST BE REPLACED ONLY BY A VMM WITH A DATE CODE OF MAY 1990 OR LATER. THE DATE CODE IS ON A LABEL LOCATED ON THE TOP OF THE MODULE IN MONTH/DAY/YEAR FORMAT. FOR EXAMPLE, 10/09/90 MEANS OCTOBER 9, 1990. THIS ISSUE DOES NOT AFFECT 1991 MODELS.


PART NUMBER PART NAME CLASS

F1SZ-10E850-A Vehicle Maintenance Monitor B

WARRANTY STATUS: Eligible Under Basic Warranty Coverage
OPERATION DESCRIPTION TIME
911707A Install Vehicle Maintenance 0.3 Hr.
Monitor
DEALER CODING
BASIC PART NO. CONDITION CODE
10E850 56
OASIS CODES: 207000