Toyota Sienna 2017 — technical service bulletin
Bulletin OP-W-0426 · NHTSA communication 10101121 · issued May 1, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
This technical bulletin is created to notify dealers to inspect the transmission cooler lines for proper clearance between the shear plate and cooler line. It also provides adjustment procedures should the line be too close to the shear plate (vantage mobility international)
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.