Jeep Grand Cherokee 1999 — technical service bulletin
Bulletin 211798 · NHTSA communication 603157 · issued Dec 11, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
1
vehicle entries
Official summary
A shudder and low pitched, grunting noise may be present in the transfer case. *yc
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.