Cadillac XLR 2004–2008 — technical service bulletin
Bulletin 070420002 · NHTSA communication 10022263 · issued Jan 1, 2008
Technical service bulletin
communication type
Power Train
component
2004–2008
model years
10
vehicle entries
Official summary
Rear axle clunk and/or chatter type noise on turns (drain/refill rear differential fluid). *kb updated 4/11/08. *nj
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.