# Service bulletin LTB00704NAS1

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: 10103361
- Published by NHTSA: 2017\-06\-05
- Manufacturer's number: LTB00704NAS1
- Manufacturer's date: 2015\-01\-05
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST SYSTEM

## NHTSA's summary

"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."

## 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

## Vehicles listed

- 2008 to 2015 LAND ROVER LR2
- 2008 to 2009 LAND ROVER LR3
- 2010 to 2015 LAND ROVER LR4
- 2008 to 2012 LAND ROVER RANGE ROVER
- 2008 to 2013 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [LTB00456NAS2](/bulletins/10214034.md), 2022-06-13, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM. Technical Bulletin: Steering Remains in Highway Assist Mode at Low Vehicle Speed.
- [SSM38303](/bulletins/10106021.md), 2017-06-12, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING:HYDRAULIC POWER ASSIST SYSTEM. "RE\-ISSUED DEC 2015 ISSUE: WHEN COMPLETING A REPAIR ON COMPONENTS IN THE POWER ASSISTED STEERING SYSTEM, DEBRIS MAY BE FOUND WITHIN THE POWER STEERING FLUID SYSTEM WHICH COULD LEAD TO SYSTEM CONTAMINATION AND A DETERIORATION IN SYSTEM PERFORMANCE. CAUSE: INTERNAL DEBRIS FROM A SUSPECTED COMPONENT MALFUNCTION MAY RESULT IN THE POWER STEERING FLUID BECOMING CONTAMINATED."
- [SSM72094](/bulletins/10103683.md), 2017-06-06, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:RACK AND PINION. "ISSUED JANUARY 2015. ISSUE: A CUSTOMER MAY COMPLAIN OF A SQUEAK OR CREAK FROM THE STEERING COLUMN AREA ON ROTATION OF THE STEERING WHEEL. RANGE ROVER SPORT L320 ONLY. CAUSE: THE POWER STEERING PINION SEAL LACKS LUBRICATION AND DRIES OUT."
- [LTB00664NAS1](/bulletins/10101883.md), 2017-06-01, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:COLUMN. "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."
- [SSM71058](/bulletins/10101084.md), 2017-05-30, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP. "ISSUE: UPON CUSTOMER COMPLAINT OF A NOISY POWER STEERING PUMP OR HEAVY STEERING, SHOULD A DEALER INTEND TO CHANGE A POWER STEERING PUMP TO RESOLVE THIS, PLEASE ADDRESS THE QUESTIONS BELOW ON A EPQR SO THAT JLR MAY REVIEW AND POTENTIALLY REQUEST THE PART BACK FOR FURTHER ENGINEERING INVESTIGATION. PRE 13 MY ONLY, VEHICLES FITTED WITH SI6 PETROL ENGINES ONLY."
- [SSM60517](/bulletins/10097338.md), 2017-04-13, Service bulletin: STEERING; STEERING:LINKAGES; STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\); STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. "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."
- [LTB\-00272\-NAS\-3](/bulletins/10043532.md), 2012-04-09, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM. LAND ROVER: VEHICLE MAY EXPERIENCE OR EXHIBIT A HEAVY, INTERNAL KNOCKING NOISE OF STEERING GEAR, WHICH MAY BE CAUSED BY WELD SPLATTER CONTAMINATION IN STEERING GEAR PISTON TUBE. \*PE

JSON: [/v1/bulletins/10103361](/v1/bulletins/10103361)

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