Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Rainier 2003–2005technical service bulletin

Bulletin 050601014 · NHTSA communication 10017409 · issued May 1, 2005

Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2005
model years
55
vehicle entries

Official summary

Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder). *tt

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.