Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

Date Published
JUL 09, 2018
NHTSA TSB #
10143757
TSB Document
Summary
This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.