Good evening,
There is a TSB on this issue from a failed seal.
It is covered under warranty from the dealer for this issue.
Roy
T-SB-0138-10
Rev1
May 28, 2010
Transmission Fluid or Gear Oil Seepage from Transfer
Case Vent (AWD)
Service Category
Drivetrain
Section
Transfer/4wd/Awd
Market
USA
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Applicability
TSB REVISION NOTICE
July 19, 2010 Rev1:
Warranty Information has been updated.
Any previous printed versions of this service bulletin should be discarded.
TSB SUPERSESSION NOTICE
The information contained in this TSB supersedes TSB No. TC008-07.
Applicability has been updated to include 2007 - 2009 Highlander, 2001 - 2005 RAV4, and 2007 - 2010 Sienna vehicles.
TSB No. TC008-07 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.
Introduction
Some 2004 - 2009 model year Highlander 2001 - 2005 model year RAV4 and 2004 - 2010 model year Sienna AWD (4WD) vehicles may display a transmission fluid or gear oil seepage from a vent on the right side of the transfer case. The seepage 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 in this bulletin to replace the RH bearing retainer No.2 oil seal assembly.
Production Change Information
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This TSB applies to 2001 - 2005 RAV4 and to Highlander and Sienna vehicles produced BEFORE the Production Change Effective VINs shown.
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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 occurrence of the specified condition described in this bulletin.
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