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Service bulletin TSB-020-11

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10042892
Published by NHTSA2012-01-24
Manufacturer's numberTSB-020-11
Manufacturer's date2011-12-21
NHTSA componentENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

TOYOTA: ON SOME VEHICLES, THE ENGINE OIL COOLER PIPES MAY EXHIBIT AN OIL SEEPAGE. INFORMATION HAS BEEN PROVIDED REGARDING THIS ISSUE. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
TOYOTA HIGHLANDER2008, 2009, 2010, 2011
TOYOTA SIENNA2007, 2008, 2009, 2010, 2011
TOYOTA VENZA2009, 2010, 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
T-SB-0009-262026-03-07. Service bulletin. This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV) batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing a rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger.
T-SB-0119-15 Rev22026-03-07. Service bulletin. OBSOLETE NOTICE February 13, 2026: This bulletin is now obsolete. Please see T-SB-0009-26.
T-SB-0103-20 Rev12024-07-23. Service bulletin. This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
T-SB-0103-20 Rev12024-07-23. Service bulletin. This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
T-PANT-2024-004-2024-04-15. Service bulletin. This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
T-TT-0628-202020-11-30. Service bulletin. TT: HVAC drain tube is found to be blocked/clogged.
T-SB-0162-13 Obs2020-09-14. Service bulletin. TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
T-SB-0198-11 Obs2020-09-14. Service bulletin. TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
T-SB-0162-13 Obs2020-09-14. Service bulletin. TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
T-SB-0198-11 Obs2020-09-14. Service bulletin. TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.