Precaution [10/2022 - ]

WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

MAINTENANCE PRECAUTION

If the turbocharger sub-assembly is found to be defective, it must be replaced. Also, inspect the source of the trouble including the conditions under which the turbocharger sub-assembly was used. Repair or replace the following as necessary:
1. Engine oil (level and quality)
2. Oil lines leading to the turbocharger sub-assembly

Pay due attention when removing and reinstalling the turbocharger sub-assembly. Do not drop, strike, or grasp easily-deformed assembly parts.

NOTE:

Do not hold the waste gate valve actuator rod.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

When storing the turbocharger sub-assembly, do not store the assembly with the waste gate valve actuator facing down.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Make sure foreign matter does not enter the intake and exhaust ports and oil passage.

*1	Turbo Oil Inlet Pipe Sub-assembly
*a	Deposits

If replacing the turbocharger sub-assembly, check for deposits in the turbo oil inlet pipe sub-assembly. If necessary, replace the turbo oil inlet pipe sub-assembly.

*a	Oil Inlet Hole

If replacing the turbocharger sub-assembly, put 20 cc (1.2 cu. in.) of fresh engine oil into the turbocharger oil inlet hole and turn the turbine wheel by hand to spread oil over the bearing.