Lower Rocker

XV. Road noise from lower rocker area.

Road noise from the lower rocker area may be reduced by removing the outer sill plate and covering the three 3/4 inch holes with 3M silencer strips. The rear door is similar but only has two holes to cover under the sill plate.

Labor Operation: T3366 (all four doors)

NOTE:
Individual labor allowances have been provided for each operation in this bulletin. However, the total time for all operations should not exceed 6.9 hours. The difference in total time and cumulated individual time is due to redundant or overlapping operations which are not allowed.

Parts are currently available from GMSPO.