# Service bulletin SSM75152

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: 10185313
- Published by NHTSA: 2021\-01\-08
- Manufacturer's number: SSM75152
- Manufacturer's date: 2020\-12\-08
- NHTSA component: EQUIPMENT; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

Customer complains of Judder and vibration noise from the Transfer box.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185313-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185313-9999.pdf)

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

## Components

Equipment and accessories, Transmission and driveline, Transfer case

## Vehicles listed

- 2017 LAND ROVER DISCOVERY
- 2017 LAND ROVER RANGE ROVER
- 2017 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [SSM73709](/bulletins/10142562.md), 2018-07-02, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. 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](/bulletins/10142558.md), 2018-07-02, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 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.
- [N194NAS1](/bulletins/10142557.md), 2018-07-02, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). 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.

JSON: [/v1/bulletins/10185313](/v1/bulletins/10185313)

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