# Service bulletin LTB00780NAS2

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: 10106005
- Published by NHTSA: 2017\-06\-12
- Manufacturer's number: LTB00780NAS2
- Manufacturer's date: 2015\-12\-10
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

## NHTSA's summary

"SITUATION: A 'HUMMING' NOISE MAY BE EVIDENT FROM THE ENGINE AT IDLE. CAUSE: THIS MAY BE CAUSED BY DUST AND/OR WATER INGRESS TO THE ACCESSORY DRIVE BELT IDLER PULLEY BEARING."

## 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, Drive belts

## Vehicles listed

- 2010 to 2016 LAND ROVER LR4
- 2010 to 2016 LAND ROVER RANGE ROVER
- 2010 to 2016 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [LTB00474NAS3](/bulletins/10104461.md), 2017-06-06, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. "SITUATION: A ‘RATTLE’ / ‘CLICK’ NOISE MAY BE HEARD FROM THE FRONT OF THE ENGINE. THE NOISE MAY BE MORE PRONOUNCED WHEN THE ENGINE IS AT IDLE SPEED. CAUSE: THIS MAY BE CAUSED BY WEAR ON THE TIMING CHAIN LEVER, RESULTING IN REDUCED TENSION ON THE TIMING CHAIN."
- [LTB00780NAS3](/bulletins/10102481.md), 2017-06-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. SITUATION: A HUMMING NOISE MAY BE EVIDENT FROM THE ENGINE AT IDLE.

JSON: [/v1/bulletins/10106005](/v1/bulletins/10106005)

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