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Service bulletin JTB00278NAS2

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 id10094405
Published by NHTSA2017-03-09
Manufacturer's numberJTB00278NAS2
Manufacturer's date2014-03-31
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

SITUATION: THE FLUID LEVEL IN THE ENGINE COOLANT SYSTEM EXPANSION TANK MAY FALL BELOW THE MINIMUM LEVEL OVER A PERIOD OF TIME OR A ‘LOW COOLANT LEVEL’ MESSAGE IS DISPLAYED IN THE MESSAGE CENTER. UPON INSPECTION, A LEAK MAY BE FOUND TO BE FROM THE FRONT OF THE ENGINE-DRIVEN COOLANT PUMP, TOGETHER WITH EXCESSIVE WEAR OF THE COOLANT PUMP BEARING.

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

Engine

Vehicles listed
JAGUAR F-TYPE2014
JAGUAR XF2010, 2011, 2012, 2013, 2014
JAGUAR XJ2010, 2011, 2012, 2013, 2014
JAGUAR XK2010, 2011, 2012, 2013, 2014

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

Recalls for the same vehicles and component
20141062014-04-01. Engine
14V1810002014-03-31. ENGINE AND ENGINE COOLING
13V3410002013-08-05. ENGINE AND ENGINE COOLING
10V3320002010-07-22. ENGINE AND ENGINE COOLING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
NAS24.01.0012024-02-07. Service bulletin. Potential manufacturing issue with replacement thermostats
BIG5JAN24_272024-02-07. Service bulletin. POTENTIAL MANUFACTURING ISSUE WITH REPLACEMENT THERMOSTATS.
SSM759722023-04-05. Service bulletin. 3.0L AJ126 Misfire on New Replacement or REMAN units.
SSM720022023-02-06. Service bulletin. coolant pipe leak
SSM719102023-02-06. Service bulletin. Comprehensive Component Monitor-
DVD135072023-02-06. Service bulletin. This update contains an enhancement to the ECM ? Engine Control Module
DVD135062023-02-06. Service bulletin. This update contains an enhancement to the ECM ? Engine Control Module
UPS4512-2bNAS12023-01-09. Service bulletin. Update Prior to Sale: Engine Bay Harness
UPS2613-2bNAS22023-01-09. Service bulletin. Update Prior to Sale: Charge Air Cooler Clip / Hose Inspection
UPS2613-1bNAS12023-01-09. Service bulletin. Update Prior to Sale: Charge Air Cooler Clip / Hose Inspection