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Service bulletin 20603

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 id10017445
Published by NHTSA2005-11-08
Manufacturer's number20603
Manufacturer's date2005-08-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

NHTSA's summary

BRAKE CALIPER FLEXIBLE HOSE - WASHER NOW AVAILABLE SEPARATELY. *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

Brakes, Brake caliper

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
JTB-001752010-08-16. Service bulletin. JAGUAR: REAR DIFFERENTIAL REPLACEMENT. DUE TO A CHANGE IN DESIGN, THE REAR DIFFERENTIAL HAS A NEW SERVICE PART. AS A RESULT, SHOULD THE REAR DIFFERENTIAL REQUIRE REPLACEMENT IT WILL BE NECESSARY TO CONVERT THE DRIVELINE SYSTEM TO USE THE NEW DIFFERENTIAL. *PE UPDATED 11/7/11. *PE