# Service bulletin NTB23\-034

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: 10235779
- Published by NHTSA: 2023\-05\-06
- Manufacturer's number: NTB23\-034
- Manufacturer's date: 2023\-04\-17
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

COOLANT SMELL OR LEAK FROM COOLANT HOSE CLAMPS IF YOU CONFIRM The customer states they smell coolant or have seen signs of coolant leaking, OR There are signs of a coolant leak from any one or more coolant hose clamps. ACTION Replace all twelve \(12\) coolant hose clamps.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235779-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235779-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2022 NISSAN LEAF

## Other bulletins for the same vehicles and component

- [NTB22\-026](/bulletins/10213684.md), 2022-06-08, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. SERVICE INFORMATION FOR FUEL GAUGE INACCURATE WITH DTCS STORED IN ECM SERVICE INFORMATION If a fuel level sensor has been diagnosed as sending an incorrect level signal, and one or more of the following DTCs are stored in the ECM, do not replace the entire “Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly” \(fuel pump assembly\). The fuel level sensor can be replaced separately. • P0460 \(FUEL LEV SEN SLOSH\) • P0461 \(FUEL LEVEL SENSOR\) • P0462 \(FUEL LEVL SEN/CIRC\) • P0463 \(FUEL LEVL SEN/CIRC\) NOTE: Warranty claims referring to fuel level issues that result in the replacement of the entire fuel pump assembly will be charged back.
- [NTB15\-049X](/bulletins/10211990.md), 2022-05-20, Service bulletin: COMMUNICATION:MANUFACTURER TELEMATICS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [NTB13\-027C](/bulletins/10208946.md), 2022-03-12, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

JSON: [/v1/bulletins/10235779](/v1/bulletins/10235779)

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