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Service bulletin LTB00858NAS1

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10105924
Published by NHTSA2017-06-09
Manufacturer's numberLTB00858NAS1
Manufacturer's date2015-11-09
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

"SITUATION: A HIGH-PITCHED 'WHISTLE' NOISE MAY BE EVIDENT FROM THE INSTRUMENT PANEL AREA WHEN THE CLIMATE CONTROL SYSTEM IS IN USE AND ENGINE SPEED IS BETWEEN 2,000 AND 3,000 RPM. CAUSE: THIS MAY BE CAUSED BY A RESONANCE WITHIN CLIMATE CONTROL SYSTEM AIR CONDITIONING (A/C) PIPES."

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
LAND ROVER LR42014, 2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20144362014-10-03. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
LTB00305NAS32022-10-24. Service bulletin. Technical Bulletin: Audible Boom/Vibration at 2,400-2,800 RPM
DVD136052022-10-24. Service bulletin. Land Rover Diagnostics Software Update. Dealer Data Update
LTB00389NAS32022-06-13. Service bulletin. Technical Bulletin: Squeaks & Rattles Kit Availability
LTB00305NAS32022-06-13. Service bulletin. Technical Bulletin: Audible Boom/Vibration at 2,400-2,800 RPM
NAS22.02.0022022-04-06. Service bulletin. ENGINE TIMING CHAIN/TENSIONER PARTIAL EXTENDED WARRANTY -USA
SSM719592022-01-18. Service bulletin. Bonnet or Tailgate Land / Range Rover Badge Discolouration - Discoloration or peeling of the front or rear Land Rover or Range Roiver badge.
Product Issues2021-12-13. Service bulletin. Product Issues Update
LTB00685NAS12021-12-13. Service bulletin. Technical Bulletin: No Drive When Transmission Gear Selected on Cold Start 15 F/ -10 C or Lower
LTB00642NAS12021-12-13. Service bulletin. Technical Bulletin: Navigation Defaults To A Regional Location
SSM720332021-11-08. Service bulletin. Land Rover Cool box Switch Illumination - We have received a number of Reports that Land Rovercustomers are reporting that the Censole Fr ont and rear" Cooler box are not operating