Service bulletin LTB00573NAS2
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 | 10101421 |
| Published by NHTSA | 2017-05-31 |
| Manufacturer's number | LTB00573NAS2 |
| Manufacturer's date | 2014-03-13 |
| NHTSA component | SUSPENSION:FRONT:CONTROL ARM:LOWER ARM |
NHTSA's summary
"SITUATION: A 'THUD' / 'THUMP' NOISE MAY BE HEARD AND FELT FROM THE FRONT SUSPENSION DURING A HEAVY BRAKING APPLICATION AT LOW ROAD SPEEDS. CAUSE: THIS MAY BE CAUSED BY MOVEMENT IN FRONT LOWER SUSPENSION ARM HYDRAULIC BUSH."
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
Suspension, Control arm
| LAND ROVER RANGE ROVER | 2013, 2014 |
|---|---|
| LAND ROVER RANGE ROVER SPORT | 2014 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| LTB00573NAS2 | 2021-12-13. Service bulletin. Technical Bulletin: Thud/Thump Noise From Front Suspension On Brake Application |
|---|---|
| LTB00573NAS3 | 2017-06-13. Service bulletin. A "THUD" / "THUMP" MAY BE HEARD AND FELT FROM THE FRONT SUSPENSION DURING HEAVY BRAKING |
| SSM44211 | 2017-06-06. Service bulletin. "ISSUE: A REVIEW OF FRONT LOWER CONTROL ARM WARRANTY RETURNS FROM VARIOUS MARKETS HAS SHOWN THAT ARM ASSEMBLIES HAVE BEEN INCORRECTLY CHANGED FOR KNOCK ISSUES WHEN THE FRONT BUSH IS CRACKED AND SHOULD HAVE BEEN REPLACED AS PER TECHNICAL SERVICE BULLETINS LTB00204V4 AND LTB00123V4. CAUSE: INCORRECT DIAGNOSIS OF FRONT AND REAR BUSH ISSUES. SEE ATTACHED PHOTO SHOWING AN EXAMPLE OF A CRACKED FRONT BUSH." |