Service bulletin 14745
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10057278 |
| Published by NHTSA | 2015-05-11 |
| Manufacturer's number | 14745 |
| Manufacturer's date | 2015-01-01 |
| NHTSA component | POWER TRAIN:CLUTCH ASSEMBLY |
NHTSA's summary
GENERAL MOTORS 2010-2014 CHEVROLET EXPRESS GMC SAVANA: INFORMATION ON TORQUE CONVERTER CLUTCH WEAR VEHICLES EQUIPPED 6.0L FLEXIBLE FUEL ENGINE AND 6 SPEED AUTOMATIC TRANSMISSION. *LJ SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER*LJ
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, Clutch
| CHEVROLET EXPRESS | 2010, 2011, 2012, 2013, 2014 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 01-07-30-042H | 2018-05-21. Service bulletin. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. Also during a 3-2 downshift, the releasing of the 3-4 clutch during the application of the 2-4 band, can cause torque reversal down the output shaft creating a clunk. This is a normal condition. |
|---|---|
| PI1344A | 2017-08-15. Service bulletin. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch. |
| PIP5065D | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replpace the Reaction Carrier, Low and Reverse Roller Clutch Race, and the Low and Reverse Roller Clutch. |