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Service bulletin N221NAS4

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 id10173515
Published by NHTSA2020-04-07
Manufacturer's numberN221NAS4
Manufacturer's date2020-03-20
NHTSA componentVISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

NHTSA's summary

An issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where water ingress into the passenger compartment or wind noise may be evident.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors, Wipers and washers

Vehicles listed
LAND ROVER DISCOVERY2017
LAND ROVER RANGE ROVER EVOQUE2015, 2016, 2017, 2018

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

Other bulletins for the same vehicles and component
SFCC_SEP2024_522024-10-07. Other. A customer may report that the windshield wipers stop up on the windshield when turned off.
SFCC_SEP2023_452023-10-06. Service bulletin. The wiper blades streak, smear, judder or squeak during operation
LTB01090NAS22022-03-04. Service bulletin. THE LIGHTING CONTROL SWITCH AND/OR THE WIPER CONTROL SWITCH MAY NOT OPERATE OR OPERATES INTERMITTENTLY.
SSM736472021-03-15. Service bulletin. Issue: Customers are having windscreen wipers replaced
NAS20.07.0032020-08-06. Service bulletin. Warranty Claims Guidelines for Windshield Water Ingress
SSM724412018-10-29. Service bulletin. Issue: Retailers are replacing rear wiper motors.
SSM728742017-06-14. Service bulletin. ISSUE: RETAILERS ARE REPLACING FRONT WINDSCREEN WIPER MOTORS DUE TO PARK POSITION CONCERNS.
LTB00552NAS22017-06-08. Service bulletin. "SITUATION: THE WINDSHIELD WIPERS MAY MAKE A SQUEAK NOISE, JUDDER, OR STREAK THE WINDSHIELD. CAUSE: THIS MAY BE CAUSED BY A BUILD-UP OF DIRT AND GREASE ON THE SURFACE OF THE WINDSHIELD GLASS."
SSM719912017-06-06. Service bulletin. "ISSUE: A CUSTOMER MAY RAISE CONCERN REGARDING THE FUNCTIONALITY OF THE FRONT WIPER SYSTEM. CAUSE: UNDER ENGINEERING INVESTIGATION"