Toronado V6-231 3.8L (1986)
Electronic Noise Suppressor: Customer Interest
Delco Bose Sound System Speakers - Popping Noise
SUBJECT POPPING NOISE - DELCO BOSE SOUND SYSTEM
NUMBER: 87-T-24
SPEAKERS ENCLOSURES
DATE:
May 22, 1987
MODELS/YEARS
1986-87 DELTA 88, NINETY-EIGHT AND
TORONADO MODELS
SECTION: 9A
Some 1986 and early 1987 Delta 88, Ninety-Eight and Toronado models equipped with the Delco Bose system may experience a popping noise heard
through the speaker enclosures as the power seat switch or power window switch is released or the brake is applied. The noise in the Delco Bose tuned
enclosures is due to back current from one or more of these switches. To suppress popping, follow the procedures in this bulletin as needed.
1986-87 - Ninety-Eights and Toronados
Popping When Releasing Power Seat Switch
Parts Required
Quantity
Part Number 1644291 (Do Not Substitute)
3 per Power Seat
FIGURE 1
Procedure - Refer to Figure 1
1.
With the ignition "off," disconnect the negative battery cable.
2.
Remove left power seat trim as described in Section 9 of the Body Service Manual.
3.
Disconnect power seat motor six-way connector.
4.
Remove left power seat.
5.
Using terminal pins, remove blue and yellow wires from connector. (Terminals A and B)
