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Service bulletin 30704

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 id601829
Published by NHTSA1998-08-25
Manufacturer's number30704
Manufacturer's date1998-05-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

MANDATORY SERVICE TOOL 307-378 HAS BEEN INTRODUCED FOR THE W5A580 AUTOMATIC TRANSMISSION USED IN XJR ( SUPERCHARDED ) VEHICLES. *YC

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

Transmission and driveline, Automatic transmission

Vehicles listed
JAGUAR XJR1998

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
307222005-11-09. Service bulletin. REMANUFACTURED W5A-580 TRANSMISSION - HARSH SHIFTS - INSTALL REVISED VALVE BODY. *TT
307061998-04-24. Service bulletin. INFORMATION ON MONITORING TRANSMISSION OIL TEMPERATURE IN D OR R DURING DIAGNOSIS ON VEHICLES WITHIN VIN 812256-ON. *YC