Acura CL 1997–2000 — technical service bulletin
Bulletin 090199 · NHTSA communication 608037 · issued Sep 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–2000
model years
5
vehicle entries
Official summary
Service manual revision made to show 5w-30 motor oil being used in the timing belt auto-tensioner. *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.