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Horns - Blows (Sounds) Inadvertently

88buick02

Bulletin 88-8-10
Date MAR. '88
Ref. No. 88-033-8
Corp. Ref. No. 808202
SUBJECT: HORN OVER SENSITIVE/HORN INOPERATIVE


MODELS AFFECTED: 1988 LESABRE AND ELECTRA WAGONS WITH STANDARD STEERING WHEEL, 1988 ELECTRA AND PARK AVENUE, WITH STANDARD STEERING WHEEL


If either of the above subject conditions are encountered, correct as follows:

CONDITION 1: Over sensitive, the horn blows inadvertently, the horn may blow when the door is slammed, or when any contact is made with the steering wheel. The effort necessarry to blow the horn is very low.

POSSIBLE CAUSE: There is not adequate separation between the "hot" contacts and the ground contact points.

CORRECTION:

1. Remove the horn pad assembly from the steering wheel.

2. Unsnap the lower contact assembly from the upper padded portion of the horn pad assembly.

FIGURE 1:




3. Remove 1.0 mm of material from the four posts, as shown in Figure 1.
4. Reassemble the contact assembly to the upper pad assembly.

5. Assemble the horn pad to the steering wheel.

6. Check to be sure the horn functions properly.


CONDITION 2: Inoperative.

POSSIBLE CAUSE: The horn pad is not properly grounded to the column.

CORRECTION:

1. Remove the horn pad assembly from the steering wheel.

FIGURE 2:




2. On the back of the horn pad assembly in the center, there is a metal tab that protrudes from the pad approximately 15-18 mm (9/16"-11/16"). Bend this tab away from the assembly to a minimum of 21 mm (3/4"), as shown in Figure 2.
3. Reinstall the horn pad on to the steering wheel.

4. Check to be sure that the horn now functions properly.

WARRANTY INFORMATION

Labor Operation: T5169
Labor Time: .2 Hour
Trouble Code: 92