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Service bulletin SSM73709

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10130710
Published by NHTSA2018-04-02
Manufacturer's numberSSM73709
Manufacturer's date2018-01-03
NHTSA componentEQUIPMENT; POWER TRAIN

NHTSA's summary

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 - 378677 (LW) Range Rover Sport ? 148715 - 179554 (LW) Range Rover Sport ? 683503 - 695139 (LR) Discovery ? 013353 - 046041

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

Equipment and accessories, Transmission and driveline

Vehicles listed
LAND ROVER DISCOVERY2017
LAND ROVER RANGE ROVER2017
LAND ROVER RANGE ROVER SPORT2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
N881 Discovery 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Discovery 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 17JUL262026-08-05. Other. Powertrain Control Module (PCM) Software Update
N881 Discovery 17JUL262026-08-05. Other. Powertrain Control Module (PCM) Software Update
N881 Range Rover 16JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off
N881 Discovery 16JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 15MAY262026-06-04. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Discovery 15MAY262026-06-04. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.