Volvo S70 2000 — technical service bulletin
Bulletin 4318 · NHTSA communication 616747 · issued Jan 11, 2001
Technical service bulletin
communication type
Power Train
component
2000
model years
2
vehicle entries
Official summary
Subject regarding new software developed to improve shift quality on vehicles equipped with the aw 55-50 five speed automatic transmission. This software will reduce harsh 4-2 and 3-2 downshifts, give more consistent shift quality and provide engine braking in first gear with the gear selector in position l. *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.