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Service bulletin 303712

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 id10012053
Published by NHTSA2005-02-10
Manufacturer's number303712
Manufacturer's date2003-08-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

THE COOLANT HOSE FROM THE THERMOSTAT HOUSING TO THE AUXILIARY COOLANT PUMP MAY HAVE BEEN INCORRECTLY ROUTED IN PRODUCTION, POTENTIALLY CAUSING THE HOSE TO TOUCH THE SUPERCHARGER DRIVE BELT AND WEAR THROUGH. SERVICE ACTION S 712. *TT

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, Cooling system

Vehicles listed
JAGUAR XJ2004

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
SSM517172017-04-07. Service bulletin. "ISSUE: COOLANT EXPANSION TANK STUB PIPE LEAKING ON XJ (X350), XK (X150) OR XF (X250) UP TO THE END OF 2009 MY. CAUSE: THE DESIGN OF THE STUB PIPE WAS NOT ADEQUATE AND COULD RESULT IN THE PIPE SPLITTING."
3037132005-03-04. Service bulletin. COOLANT RESERVOIR BLEED SCREW - RETORQUE TO 3 NM - SERVICE ACTION S 713. *TT