Jaguar XJ 1997–1998 — technical service bulletin
Bulletin 30321 · NHTSA communication 600108 · issued Mar 1, 1998
Technical service bulletin
communication type
Unknown / Other
component
1997–1998
model years
2
vehicle entries
Official summary
A new valve seat cutter pilot mandrel was introduced for engines to fit the intake valve guide for vehicles within vin 001001-on and 812256-on - special tool. *yc
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.