Toyota 4 Runner 1998 — technical service bulletin
Bulletin 010199 · NHTSA communication 610975 · issued Jan 1, 1999
Technical service bulletin
communication type
Power Train
component
1998
model years
1
vehicle entries
Official summary
Subject regarding vehicles experiencing vacuum switching valve mount ticking noise. *tt
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.