Tacoma 4WD V6-4.0L (1GR-FE) (2006)
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Sound Proofing / Insulation: All Technical Service Bulletins
Drivetrain - Rear Differential Whine/Howl At 50-70 MPH
T-SB-0076-08
May 29, 2008
Rear Differential Whine or Howling Noise at Highway Speeds
Service Category
Drivetrain
Section
Axle/Differential
Market
USA
Applicability
The information contained in this TSB supersedes TSB No. DL001-08.
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Parts Information has been updated (parts quantity has been revised for RR Floor Silencer Pad).
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Applicability has been updated (2008 model year has been added).
TSB No. DL001-08 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before
proceeding.
Introduction
Some customers may complain of an excessive whine or howling noise from the rear of the vehicle between 50 - 70 mph (80 - 113 km/h) when lightly
accelerating or decelerating. Use the following repair procedure to address this concern.
Warranty Information
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This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from
the vehicle's in-service date.
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Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
