WenmarOpen by Wenmar Pro

Service bulletin 01974

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 id10006949
Published by NHTSA2004-05-20
Manufacturer's number01974
Manufacturer's date2004-01-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

MANUAL TRANSMISSION STUCK IN 3RD GEAR. *MR

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
CHEVROLET COLORADO2004
GMC CANYON2004

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
31362007-02-22. Service bulletin. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
32642005-10-27. Service bulletin. GM POWERTRAIN WOULD LIKE TO RECEIVE PRODUCT FEEDBACK ON VEHICLES WITH THE MA5 5-SPEED MANUAL TRANSMISSION, FOR ANY LEAK OR NOISE CONDITION, PRIOR TO ANY REPAIR ATTEMPTS. *TT
6112005-09-06. Service bulletin. MANUAL TRANSMISSION SHIFTING-SOME OWNERS MAY COMMENT ON DIFFICULTY SHIFTING INTO REVERSE. *SC