Lucerne V6-3.8L VIN 2 (2006)
Engine Mount: All Technical Service Bulletins
Engine - Vibration/Growl Noise at Light Throttle
Bulletin No.: 06-06-01-015A
Date: August 15, 2006
TECHNICAL
Subject:
L26 Engine Vibration/Growl Noise at Light Throttle (Replace Front Engine Mount)
Models:
2006 Buick Lucerne
with 3.8L V6 Engine (VIN 2 - RPO L26)
Supercede:
This bulletin is being revised to update the part number under the correction section of this bulletin. Please discard Corporate Bulletin Number
06-06-01-015 (Section 06 - Engine/Propulsion System).
Condition
Some customers may comment on a vibration and/or growl type of noise during light throttle drive-aways at approximately 1800 rpm.
Cause
This condition may be caused by the front edge of the front engine mount bumper stop grounding out to the inside vertical surface of the restrictor plate.
The bumper stop lacks sufficient travel and/or the rubber material to isolate the ground-out.
Correction
Replace the front engine mount with P/N 15910501 following the procedure below.
1.
Raise and suitably support the vehicle.
2.
Remove the front air deflector fasteners (1) (qty: 17).
3.
Remove the engine front mount to frame nut.
