Drivetrain - ATF/Gear Oil Leak From Transfer Case Vent: Overview
L-SB-0036-10May 28, 2010
Transmission Fluid or Gear Oil Seepage from Transfer Case Vent (AWD)
Service Category
Drivetrain
Section
Transfer/4wd/Awd
Market
USA
Applicability
TSIB SUPERSESSION NOTICE
The information contained in this TSIB supersedes TSIB No. TC007-07.
^ Applicability has been updated to include 2008 - 2009 model year RX 350 vehicles.
TSIB No. TC007-07 is Obsolete and any printed versions should be discarded.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 - 2006 model year RX 330 or 2007 - 2009 model year RX 350 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 below to replace the RH bearing retainer No.2 oil seal assembly.
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 occurrence of the specified condition described in this bulletin.
Parts Information
Required Tools & Equipment
Components