# Service bulletin LTB00604NAS1

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: 10204765
- Published by NHTSA: 2021\-12\-13
- Manufacturer's number: LTB00604NAS1
- Manufacturer's date: 2014\-01\-06
- NHTSA component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; UNKNOWN OR OTHER

## NHTSA's summary

Technical Bulletin: Front Air Spring/Damper Hydraulic Fluid Leak

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10204765-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10204765-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension, Air suspension

## Vehicles listed

- 2013 LAND ROVER RANGE ROVER

## Other bulletins for the same vehicles and component

- [LTB00604NAS4](/bulletins/10204768.md), 2021-12-13, Service bulletin: UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:FLUID; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Technical Bulletin: Front Air Spring Damper Hydraulic Fluid Leak
- [LTB00604NAS3](/bulletins/10204767.md), 2021-12-13, Service bulletin: UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:FLUID; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Technical Bulletin: Front Air Spring / Damper Hydraulic Fluid Leak 2013\-14 Onwards
- [LTB00604NAS2](/bulletins/10204766.md), 2021-12-13, Service bulletin: UNKNOWN OR OTHER; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SERVICE BRAKES, HYDRAULIC:FLUID. Technical Bulletin: Front Air Spring/Damper Hydraulic Fluid Leak 2013\-2014 Onwards
- [LTB00604NAS5](/bulletins/10106202.md), 2017-06-13, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON DIAGNOSIS, INCLUDING REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR."
- [SSM72050](/bulletins/10104641.md), 2017-06-06, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS. "ISSUE: FOLLOWING REPLACEMENT OF FRONT AIR STRUTS \(FOR EXAMPLE PERFORMING LTB604V3/SSM71942\) DEALERS / CUSTOMER MAY REPORT A NOISE OR A VEHICLE LEAN ERROR STATE. ON INVESTIGATION THE FRONT AIR SPRING IS FOUND TO BE MISALIGNED AND DAMAGED. SEE ATTACHED PHOTO CAUSE\(S\): INFLATION OF AIR SUSPENSION AIR SPRINGS WITH THE VEHICLE ON THE GROUND \(NOT ON A WHEEL FREE LIFT\) CAN CAUSE MISALIGNMENT AND CREASING OF THE AIR BAG. THE INFLATION PRESSURES ACTING ON THE CREASED AIR BAG CAN CAUSE PERMANENT DAMAGE."
- [SSM72050](/bulletins/10102802.md), 2017-06-02, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS. "ISSUE: FOLLOWING REPLACEMENT OF FRONT AIR STRUTS \(FOR EXAMPLE PERFORMING LTB604V3/SSM71942\) DEALERS / CUSTOMER MAY REPORT A NOISE OR A VEHICLE LEAN ERROR STATE. ON INVESTIGATION THE FRONT AIR SPRING IS FOUND TO BE MISALIGNED AND DAMAGED. SEE ATTACHED PHOTO CAUSE\(S\): INFLATION OF AIR SUSPENSION AIR SPRINGS WITH THE VEHICLE ON THE GROUND \(NOT ON A WHEEL FREE LIFT\) CAN CAUSE MISALIGNMENT AND CREASING OF THE AIR BAG. THE INFLATION PRESSURES ACTING ON THE CREASED AIR BAG CAN CAUSE PERMANENT DAMAGE"
- [LTB00604NAS4](/bulletins/10102143.md), 2017-06-01, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR. CAUSE: THIS MAY BE CAUSED BY A LEAK FROM THE HYDRAULIC DAMPER CHAMBER OF THE AIR SPRING."
- [LTB00604NAS3](/bulletins/10101423.md), 2017-05-31, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. "SITUATION: A 'KNOCK' SOUND FROM ONE OR BOTH FRONT AIR SPRINGS WHEN TRAVELING OVER SPEED BUMPS AT LOW SPEED MAY BE EVIDENT. UPON REMOVAL OF THE AIR SPRING AND INVERTING IT FOR A PERIOD OF APPROXIMATELY ONE MINUTE, HYDRAULIC FLUID IS FOUND TO FLOW FROM THE AIR SUSPENSION PIPE 'VOSS' CONNECTOR. CAUSE: THIS MAY BE CAUSED BY A LEAK FROM HYDRAULIC DAMPER CHAMBER OF THE AIR SPRING."
- [SSM55817](/bulletins/10101223.md), 2017-05-31, Service bulletin: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "RE\-ISSUED FEBRUARY 2014. ISSUE: ENGINEERING INVESTIGATION TO FRONT AIR SPRING FAILURES CAUSE: UNKNOWN AT THIS TIME"
- [SGI13\-30](/bulletins/10101203.md), 2017-05-30, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. "DESCRIPTION A LIMITED NUMBER OF 2013 MODEL YEAR LAND ROVER RANGE ROVER \(L405\) VEHICLES MAY EXPERIENCE AN ISSUE WHERE THE AIR SUSPENSION SYSTEM DOES NOT RESPOND WHEN OPERATING THE AIR SUSPENSION SWITCHPACK AND THE MESSAGE 'AIR SUSPENSION INACTIVE' MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER. UPON FURTHER INVESTIGATION, DIAGNOSTIC TROUBLE CODE \(DTC\) U210A\-16 MAY ALSO BE STORED."

JSON: [/v1/bulletins/10204765](/v1/bulletins/10204765)

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