Jaguar XJ 1997–1998 — technical service bulletin
Bulletin 20504 · NHTSA communication 600100 · issued Feb 1, 1998
Technical service bulletin
communication type
Unknown / Other
component
1997–1998
model years
2
vehicle entries
Official summary
Correct special tools for differential pinion oil seal on vehicles within vin 001001-on and 812256-on. *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.