Sienna AWD V6-3.3L (3MZ-FE) (2004)
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Technical Service Bulletin # TC008-07
Date: 070611
Drivetrain - Fluid Leaks From Transfer Case Vent
TRANSMISSION & CLUTCH
TC008-07
Title:
TRANSMISSION FLUID OR GEAR OIL
LEAK FROM TRANSFER CASE VENT
Models:
'04 - '06 Highlander (AWD) & Sienna (AWD)
June 11, 2007
Introduction
Some 2004 - 2006 model year AWD (4WD) Highlander or Sienna vehicles may display a transmission fluid or gear oil leak from a vent on the right side
of the transfer case. The leak is from the transfer RH (right-hand) bearing retainer No. 2 oil seal. Production improvements have been implemented to
prevent this condition from occurring. Follow the repair procedure below to replace the RH bearing retainer No. 2 oil seal assembly.
Applicable Vehicles
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2004 - 2006 model year Highlander (AWD) and Sienna (AWD) vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Warranty Information
Applicable Warranty*:
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.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
