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Service bulletin 21-011-08

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 id10024643
Published by NHTSA2008-05-02
Manufacturer's number21-011-08
Manufacturer's date2008-03-07
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

GEAR CLASH/DIFFICULT TO SHIFT - THIS BULLETIN INVOLVES REPLACING THE 3RD/4TH/5TH & REVERSE GEAR SYNCHRONIZER (BLOCKER) RINGS TOGETHER AS A SET IF A DE-BONDING CONDITION IS FOUND. *NJ

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, Manual transmission

Vehicles listed
CHRYSLER SEBRING2008
CHRYSLER SEBRING CONV2008 (the catalog's model; the bulletin names a series or trim of it)
DODGE AVENGER2008
DODGE CALIBER2008
JEEP COMPASS FWD2008 (the catalog's model; the bulletin names a series or trim of it)
JEEP PATRIOT FWD2008 (the catalog's model; the bulletin names a series or trim of it)

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