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Service bulletin LTB00664NAS1

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 id10101883
Published by NHTSA2017-06-01
Manufacturer's numberLTB00664NAS1
Manufacturer's date2014-08-01
NHTSA componentSTEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:COLUMN

NHTSA's summary

"SITUATION: THE ELECTRIC STEERING COLUMN MAY EXHIBIT INSUFFICIENT UPWARD MOVEMENT. CAUSE: THIS MAY BE CAUSED BY INCORRECT CALIBRATION OF THE STEERING COLUMN DURING THE PRODUCTION PROCESS."

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

Steering, Power steering, Steering column and wheel

Vehicles listed
LAND ROVER LR42014

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
LTB00154NAS42018-01-29. Service bulletin. A 'squeak' noise may be heard from the steering column area when turning the steering wheel.
SSM720302017-06-07. Service bulletin. "ISSUE: A CUSTOMER MAY REPORT A NOISE WHEN TURNING THE STEERING WHEEL, WHICH IS CONFIRMED BY THE DEALER AS ORIGINATING FROM THE STEERING COLUMN. DISCOVERY 4/LR4 (L319) AND RANGE ROVER SPORT (L320) ONLY. 10 MODEL YEAR ONWARDS. CAUSE: JLR ENGINEERING ARE CURRENTLY INVESTIGATING TO UNDERSTAND ANY SITUATIONS WHERE THE STEERING COLUMN IS THE CAUSE OF NOISE WHEN TURNING."
SSM721922017-06-06. Service bulletin. "ISSUE: REPORTS OF A RUBBING OR CLICKING NOISE EMANATING FROM THE STEERING COLUMN WHEN IT IS ROTATED DUE TO A NOISY CLOCK SPRING. CAUSE: UNDER INVESTIGATION"
SSM720302017-06-06. Service bulletin. ISSUE: A CUSTOMER MAY REPORT A NOISE WHEN TURNING THE STEERING WHEEL, WHICH IS CONFIRMED BY THE DEALER AS ORIGINATING FROM THE STEERING COLUMN. DISCOVERY 4/LR4 (L319) AND RANGE ROVER SPORT (L320) ONLY. 10 MODEL YEAR ONWARDS. CAUSE: JLR ENGINEERING ARE CURRENTLY INVESTIGATING TO UNDERSTAND ANY SITUATIONS WHERE THE STEERING COLUMN IS THE CAUSE OF NOISE WHEN TURNING.
LTB00704NAS12017-06-05. Service bulletin. "SITUATION: THIS IS AN INFORMATION ONLY BULLETIN TO AID IN THE DIAGNOSIS OF HYDRAULIC POWER STEERING ISSUES. ACTION: WHEN DIAGNOSING CUSTOMER CONCERNS RELATING TO THE HYDRAULIC POWER STEERING SYSTEM, REFER TO THE SERVICE INFORMATION BELOW."
SSM720302017-06-02. Service bulletin. "ISSUE: A CUSTOMER MAY REPORT A NOISE WHEN TURNING THE STEERING WHEEL, WHICH IS CONFIRMED BY THE DEALER AS ORIGINATING FROM THE STEERING COLUMN. DISCOVERY 4/LR4 (L319) AND RANGE ROVER SPORT (L320) ONLY. 10 MODEL YEAR ONWARDS. CAUSE: JLR ENGINEERING ARE CURRENTLY INVESTIGATING TO UNDERSTAND ANY SITUATIONS WHERE THE STEERING COLUMN IS THE CAUSE OF NOISE WHEN TURNING."
SSM605172017-04-13. Service bulletin. "ISSUE: FOLLOWING WARRANTY ANALYSIS OF STEERING RACKS REPORTED TO BE LEAKING, 75% HAVE BEEN IDENTIFIED AS NO FAULT FOUND, FOLLOWING TESTING. CAUSE: LAND ROVER ENGINEERING HAVE RECENTLY VISITED DEALERSHIPS WHERE A REQUEST HAS BEEN MADE TO REPLACE THE STEERING GEAR FOR AN OIL LEAK IN THE AREA OF THE PINION HOUSING, CASTING, YOKE PLUG OR THE GAITER ADJACENT TO THE PINION HOUSING. FOLLOWING INVESTIGATION THE SOURCE OF THE LEAK PATH WAS IDENTIFIED AS BEING FROM THE SUPPLY AND RETURN HOSE O-RING SEALS."