GX 470 V8-4.7L (2UZ-FE) (2004)
Fluid - A/T: Technical Service Bulletins
A/T - New 'WS' Fluid Usage Precautions/Applications
TRANSMISSION & CLUTCH
TC009-03
REVISED
Title:
INTRODUCTION OF NEW AUTOMATIC
TRANSMISSION FLUID
Models:
'04 - '05 GX 470, LS 430 & LX 470
October 17, 2003
TSIB REVISION NOTICE:
December 13, 2004: TSIB content has been expanded; 2005 model year added to Applicable Vehicles.
The previous TSIB should be discarded.
Introduction
New automatic transmission fluid (ATF) WS" has been introduced on the 2004 - 2005 model year GX 470, LS 430 and LX 470 vehicles. The following
will provide information regarding service precautions and identification methods for vehicles which use ATF "WS."
NOTE:
ATF "WS" is NOT compatible with any other type of transmission fluid.
Applicable Vehicles
2004 - 2005 model year GX 470, LS 430 and LX 470 vehicles.
Parts Information
Warranty Information
Identification Procedure
The following symptoms will occur if non-WS ATF is put into a WS compatible automatic transmission:
^
Non-WS ATF has a higher viscosity. Because of this, response to changes in fluid pressure decreases, lengthening shift time, causing shift flare.
^
When the fluid temperature is low, (approximately -40°F (-40°C), air can enter the oil pump causing cavitation resulting in low fluid pressure.
^
Fuel consumption increases.
The following symptoms will occur if ATF WS is put into a non-WS compatible automatic transmission:
^
ATF WS has a lower viscosity than other ATFs. Because of this, response to changes in fluid pressure increases, shortening shift time, causing shift
shock.
^
If WS is filled into a non-WS automatic transmission, the fluid could leak out under high temperatures (approximately 284°F (140°C).