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Service bulletin PIP-4668

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 id10032891
Published by NHTSA2010-06-08
Manufacturer's numberPIP-4668
Manufacturer's date2009-07-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

SATURN/GMC/CHEVROLET/BUICK: HESITATION WHEN ACCELERATING DURING A RIGHT HAND TURN AROUND 15MPH; HESITATION/DELAY/HARSH SHIFT AROUND 40MPH DURING 5-3-2 SHIFT. THIS WAS IMPROVED FOR FEEL, BUT ALSO FOR BEING TOO AVAILABLE; ALSO RELATES TO LOWER AND HIGHER SPEEDS TOO; LOW SPEED HESITATION DURING A 2-3 SHIFT ON LIGHT ACCEL AFTER LAUNCH; CRUISE CONTROL BUSYNESS AROUND 50MPH AND/OR POOR SHIFT FEEL; DELAYED UP SHIFT AFTER A FORCED THROTTLE DOWNSHIFT AFTER RETURNING TO NORMAL THROTTLE; NONLINEAR DECEL FEEL AND/OR TACHOMETER SWING ON 5-4 COAST DOWN SHIFT AS A RESULT OF ENTERING AND EXITING DECEL FUEL CUT OFF (DFCO). *PE

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
BUICK ENCLAVE2009
CHEVROLET TRAVERSE2009
GMC ACADIA2009
SATURN OUTLOOK2009

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
030729004L2019-05-20. Service bulletin. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
03-07-29-004J2018-05-21. Service bulletin. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
144042017-02-01. Service bulletin. 14404 - SPECIAL COVERAGE. SOME VEHICLES IDENTIFIED ABOVE AND, EQUIPPED WITH A 6T70 OR 6T75 - 6 SPEED FWD AUTOMATIC TRANSMISSION –– MAY EXPERIENCE A CRACKED OR FRACTURED WAVE PLATE, RESULTING IN A LOSS OF 3RD, 5TH AND REVERSE GEARS. DEALERS ARE TO REPLACE THE 3RD /5TH / REVERSE CLUTCH PLATE.
SB-03-07-29-004K2016-08-06. Service bulletin. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.