Frame/Steering/Exhaust - Drone/Vibration on Acceleration
ENGINEEG007-04
REVISED
Title:
DRONE AND VIBRATION
ON ACCELERATION
Models:
'04 RX 330
June 25, 2004
TSIB REVISION NOTICE:
^ November 22, 2004: Suspension Member Bracket Sub-assembly (P/N 51308-0E011) is not applicable to 4WD models. The Parts Information table and Repair Procedure Step 4 have been updated.
The previous TSIB should be discarded.
Introduction
Some 2004 model year RX 330 vehicles may exhibit a drone noise and/or vibration under light acceleration between 1,400 - 2,100 RPM. The following procedure has been developed to improve this condition.
Applicable Vehicles
^ 2004 model year Japan Produced RX 330 vehicles produced WITHIN the Applicable Vehicle VIN Range shown.
Warranty Information
Applicable Warranty*:
This repair is covered under the Lexus Powertrain Warranty. This warranty is in effect for 72 months or 70,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
Repair Procedure
NOTE:
Prior to performing repairs, refer to the Applicable Vehicles and Parts Information sections to determine which parts to install based on the VIN range your current vehicle falls within.
1. Front Engine Mounting Insulator.
Install for vehicles in VIN Range A, B, D.
A. Install the front engine mounting insulator.
Torque:
A: 87 N.m (887 kgf.cm, 64 ft.lbf)
B: 52 N.m (530 kgf.cm, 38 ft.lbf)
2. Front Suspension Member Damper Weight.
Install for vehicles in VIN Range A only.
A. Install the damper weight to the front suspension member on the frame assembly left front.
Torque:
29 N.m (289 kgf.cm, 20 ft.lbf)
3. Surge Tank No.2 Stay and Power Steering Pressure Feed Tube. Install for vehicles in VIN Range A, B, C, D.
A. Install the new surge tank No.2 stay and power steering pressure feed tube.
Torque:
A: 8 N.m (80 kgf,cm, 5.6 ft.lbf)
B: 20 N.m (199 kgf.cm, 14 ft.lbf)
4. Suspension Member Exhaust Pipe Mount Bracket.
Install for vehicles in VIN Range A, B.
A. Install the new suspension member exhaust pipe mount bracket.
Torque:
8 N.m (80 kgf.cm, 5.6 ft.lbf)