# Service bulletin T\-SB\-0075\-23

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.

- Type: Service bulletin
- NHTSA id: 10245450
- Published by NHTSA: 2023\-11\-27
- Manufacturer's number: T\-SB\-0075\-23
- Manufacturer's date: 2023\-10\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

TSB: Some 2021 ? 2024 model year 4Runner vehicles may exhibit a cyclic growl/groan noise from the front of the vehicle while driving in 2WD at around 30 ? 50 mph \(48 ? 80 kph\). The noise subsides when the vehicle is put into 4WD. This condition may be more prominent in colder temperatures. Follow the Repair Procedure in this bulletin to address this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245450-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245450-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2021 to 2024 TOYOTA 4RUNNER

## Other bulletins for the same vehicles and component

- [T\-SB\-0103\-20 Rev1](/bulletins/11005119.md), 2024-07-23, Service bulletin: ENGINE. 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 Rev1](/bulletins/11005061.md), 2024-07-23, Service bulletin: ENGINE. 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\-](/bulletins/10253223.md), 2024-04-15, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. 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\-20](/bulletins/10183281.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TT: HVAC drain tube is found to be blocked/clogged.
- [T\-SB\-0103\-20](/bulletins/10183188.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; EQUIPMENT. TSB: This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
- [T\-TT\-0615\-20 Rev](/bulletins/10179702.md), 2020-09-14, Service bulletin: ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition \(inconsistent acceleration\) and would like to recover detailed customer voice and vehicle data.
- [T\-TT\-0615\-20 Rev](/bulletins/10179606.md), 2020-09-14, Service bulletin: EQUIPMENT; ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition \(inconsistent acceleration\) and would like to recover detailed customer voice and vehicle data.
- [T\-TT\-0615\-20 Rev](/bulletins/10177592.md), 2020-07-27, Service bulletin: ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition \(inconsistent acceleration\) and would like to recover detailed customer voice and vehicle data.

JSON: [/v1/bulletins/10245450](/v1/bulletins/10245450)

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