TTT070222

Service Bulletin Details

Public Details for: TTT070222

Tt: some 2020-2022 vehicles equipped with north american produced (nap) a25a-fks/fxs engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.


- 2022 - 2021 - 2020 -

Models from 2022
2022 TOYOTA AVALON HYBRID
2022 TOYOTA CAMRY
2022 TOYOTA HIGHLANDER HYBRID
2022 TOYOTA RAV4
2022 TOYOTA SIENNA HYBRID
Models from 2021
2021 TOYOTA AVALON HYBRID
2021 TOYOTA CAMRY
2021 TOYOTA HIGHLANDER HYBRID
2021 TOYOTA RAV4
2021 TOYOTA SIENNA HYBRID
Models from 2020
2020 TOYOTA AVALON HYBRID
2020 TOYOTA CAMRY
2020 TOYOTA HIGHLANDER HYBRID
2020 TOYOTA RAV4 
Tech Tip T-TT-0702-22
Subject
February 20, 2023
Market
USA
Head/Valve Cover Gasket Oil Leaks
Service Category
Section
Engine/Hybrid System
Lubrication
Applicability
2020-2022 NAP A25A-FKS/FXS Models
APPLICABLE VEHICLES
2020-2022
2020-2022
2020-2022
Avalon HV
RAV4
Camry HV
2020-2022
2020-2022
2021-2022
Highlander HV
Camry
Sienna HV
CONDITION
Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines
may experience an oil leak from the head/valve cover gasket. This issue is currently under
investigation.
RECOMMENDATIONS
If a vehicle is experiencing an oil leak anywhere around the head/valve cover gasket, please do the
following:
1. Take clear pictures of the origin of the leak.
2. Please create a TAS case and contact TAS for instruction prior to diagnosing or repairing of the
vehicle. If it is a weekend or holiday, continue with diagnosis and repair. Please save all parts
and/or details and contact TAS on the next available workday.
Figure 1. Head/valve cover gasket location.
Expires on
Ver. 4.0 01/01/2022 T
02/20/2023
Rev2
© 2022, Toyota Motor Sales, USA
Page 1 of 2
Tech Tip T-TT-0702-22
February 20, 2023
Subject
Market
Head/Valve Cover Gasket Oil Leaks
USA
Applicability
RECOMMENDATIONS
Figure 2. Images of head/valve cover gasket leaks.
LINK REFERENCES
This Tech Tip does not contain any link references
Expires on
Ver. 4.0 01/01/2022 T
02/20/2023
Rev2
© 2022, Toyota Motor Sales, USA
Page 2 of 2

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