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Service bulletin 2101005

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10015064
Published by NHTSA2005-05-18
Manufacturer's number2101005
Manufacturer's date2005-04-23
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

SPARK KNOCK OR POWERTRAIN RATTLE-LIKE SOUND FROM TRANSFER CASE SHIFTER AREA. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Transfer case

Vehicles listed
JEEP WRANGLER2003, 2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
21003042004-05-03. Service bulletin. NV-241 TRANSFER CASE FLUID SEEPAGE FROM AREA OF REAR OUTPUT SHAFT RETAINER. *TT