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Service bulletin SB-10015A

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 id10035545
Published by NHTSA2011-03-01
Manufacturer's numberSB-10015A
Manufacturer's date2010-09-01
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

CHEVROLET/GMC: TRANSFER CASE LEAK. PROVIDES A SERVICE PROCEDURE TO INSPECT THE TRANSFER CASE PLUG FOR PRESENCE OF AN O RING AND IF NECESSARY, INSTALL A NEW PLUG THAT CONTAINS O-RING. BULLETIN BEING REVISED TO EXTEND THE EXPIRATION DATE TO 9/30/11. *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, Transfer case

Vehicles listed
CHEVROLET SILVERADO2010
CHEVROLET SILVERADO 15002010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2010
GMC SIERRA 15002010 (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.

Other bulletins for the same vehicles and component
PIP4885H2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement.
PIP4885G2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement.
PIP4885F2024-04-15. Service bulletin. Vibration On Dry Pavement.
PIP4885E2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement
PIP3366C2018-08-20. Service bulletin. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
PIP4885F2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle's power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.
PIP4885H2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle?s power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.
PIP4885G2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle's power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.
PI-06152012-02-07. Service bulletin. GMC/CHEVROLET: BULLETIN PROVIDES INFORMATION ON THE SEAL REVISION AND THE TRANSFER CASE OUTPUT SHAFT SLINGER FOR CERTAIN MODEL YEAR TRUCKS. *PE