Toyota changed over a large share of it's engines to 5W20 and 0W20 in March of 2006. The 2006 Highlander and 2007 Highlander already are specified for 20 weight oil.
ILSAC GF-4 ENGINE OIL
RECOMMENDATION
Models:
All ’06 – ’07 Toyota & Scion
Technical Service
BULLETIN
March 29, 2006
TSB UPDATE NOTICE:
Toyota Motor Corporation manufacturing plants have begun using ILSAC GF–4 engine
oil. This engine oil is recommended due to its superiority in terms of fuel economy and
engine protection and due to its benefits for both the customer and the environment.
ILSAC GF–4 can be used in all Toyota and Scion engines.
NOTE:
• The recommended viscosity grade for this oil differs according to vehicle model.
Use the recommended grade specified on the oil filler cap or in the Repair Manual
or Owner’s Manual for each vehicle.
• For Prius vehicles, refer to TSB No. EG050–04, “Engine Oil Specifications.”
• 2006 – 2007 model year Toyota and Scion vehicles.
OP CODE DESCRIPTION TIME OFP T1 T2
N/A Not Applicable to Warranty – – – –
ILSAC GF–4 SAE 5W–20
This oil has been set as the Toyota genuine engine oil, starting in February 2006 for
the U.S. This oil is superior in terms of fuel economy, engine protection, and cold
starting performance.
ILSAC GF–4 SAE 0W–20
This oil has even better fuel efficiency and cold starting performance than 5W–20. Initial
application for 0W–20 is in the 2006 model year 2AZ–FE engine and will be used in new
engines to be developed.
ILSAC GF–4 ENGINE OIL RECOMMENDATION – EG018-06 March 29, 2006
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Engines That Can Use 5W–20 and 0W–20:
ILSAC GF–4 SAE 5W–20
AZ series
GR series
JZ series
MZ series
NZ series
RZ series
UZ series
VZ series
1ZZ–FE
2TR–FE
ILSAC GF–4 SAE 0W–20
(Beginning with 2006 MY)
2AZ–FE Camry
2AZ–FE Solara
2AZ–FE Highlander
2AZ–FE RAV4 (ACA3#)