Tribute 4WD Hybrid (2009) Engine Mount Technical Service Bulletin
Engine Mount: Customer Interest
Engine/Frame - Moan/Drone At 1800-2300 RPM
Bulletin No: 01-050/09
Last Issued: 11/19/2009
Subject:
ENGINE NOISE - DROAN / MOAN SOUND AT 1800-2300 RPM
APPLICABLE MODEL(S)/VINS
2009 Tribute Hybrid vehicles produced on or before June 26, 2009
DESCRIPTION
Some vehicles may exhibit a slightly louder than normal drone/moan noise on acceleration at approximately 1800-2300 rpm.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify customer concern.
2. Disable the vehicle high voltage electrical system according to MS3 on-line instructions or Workshop Manual (Section 01-13 HIGH-VOLTAGE
TRACTION BATTERY SYSTEMS DEPOWERING - HYBRID).
3. Remove the lower transaxle insulator through bolt.
4. Remove the rear roll restrictor-to-crossmember through bolt.
5. Remove the nut, bolts and engine support crossmember. Discard the nut.
