Diesel Data: Automotive Repair

A/T - Type WS Fluid Service Precautions/Identification

TRANSMISSION & CLUTCH
TC006-03
REVISED

October 17, 2003

Title
INTRODUCTION OF NEW AUTOMATIC TRANSMISSION FLUID

Models
'04 4Runner (2UZ-FE), Land Cruiser & Prius

TSB REVISION NOTICE:

December 2, 2003: Prius has been added as an applicable model.

The previous TSB should be discarded.

Introduction

The new automatic transmission fluid (ATF) "WS" has been introduced on 2004 model year 4Runner, Land Cruiser and Prius 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.

Vehicles that use ATF WS can be identified by:

A. The ATF dipstick, or level gauge is no longer installed.

B. "WS" is stamped on the refill plug.

Fluid level inspection:

Check the fluid level by inspecting for leakage. Fluid level will remain correct if there are no leaks present at time of inspection.

For details about the ATF WS filling procedures, refer to the Technical Information System (TIS) 2003 or 2004 Land Cruiser or 4Runner Repair Manual; Automatic Transmission/Trans; Automatic Transmission Fluid (A750E/A750F).

For Prius, refer to TIS: 2004 Prius Repair Manual: Hybrid Transaxle: On-Vehicle Inspection.

Applicable Vehicles
^ 2004 model year Land Cruiser vehicles.

^ 2004 model year Prius vehicles.

^ 2004 model year 4Runner vehicles equipped with the 2UZ-FE engine and A750E/A750F transmission.





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