Service bulletin N194NAS1
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 | 10142557 |
| Published by NHTSA | 2018-07-02 |
| Manufacturer's number | N194NAS1 |
| Manufacturer's date | 2018-04-09 |
| NHTSA component | POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
NHTSA's summary
An issue has been identified on certain vehicles within the listed Affected Vehicle Range which have had a transfer case replacement and, as a result of an incorrect instruction in the Workshop Manual, may have had the incorrect torque applied to secure the torsional damper.
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
Transmission and driveline, Transfer case
| LAND ROVER DISCOVERY | 2017 |
|---|---|
| LAND ROVER RANGE ROVER SPORT | 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| SSM75152 | 2021-01-08. Service bulletin. Customer complains of Judder and vibration noise from the Transfer box. |
|---|---|
| SSM73709 | 2018-07-02. Service bulletin. Issue: Oil leaking between the automatic transmission and transfer case assemblies which in some instances is being misdiagnosed potentially leading to repeat repairs, for example leaks incorrectly being identified as coming from the rear transmission oil seal or oil pan. Oil weeps through the aluminium casing in the rear extension housing of the transmission in the base of the pocket around where the steel D clutch steel tube is embedded. Affected Vin Range (LG) Range Rover ? 347117 - 397068 (LW) Range Rover Sport ? 148715 - 199999 (LW) Range Rover Sport - 400000 - 404939 (LW) Range Rover Sport ? 683503 - 699999 (LR) Discovery ? 013353 - 064732 |
| SGI18-17 | 2018-07-02. Service bulletin. A potential issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range which have had a transfer case replacement and, as a result of an incorrect instruction in the Workshop Manual, may have had the incorrect torque applied to secure the torsional damper. |