# Service bulletin 120310002A

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: 10245771
- Published by NHTSA: 2023\-12\-04
- Manufacturer's number: 120310002A
- Manufacturer's date: 2014\-02\-01
- NHTSA component: WHEELS; TIRES; UNKNOWN OR OTHER; WHEELS:LUGS/NUTS/BOLTS/STUDS

## NHTSA's summary

Proper Wheel Installation and Wheel Torque Techniques

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10245771-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10245771-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Tires, Wheels, Wheel nuts and studs

## Vehicles listed

- 2007 to 2015 GMC ACADIA
- 2006 to 2009 GMC C SERIES
- 2006 to 2009 GMC C4500
- 2006 to 2009 GMC C5500
- 2006 to 2009 GMC C6500
- 2006 to 2009 GMC C7500
- 2006 to 2009 GMC C8500
- 2006 to 2013 GMC CANYON
- 2015 GMC CANYON
- 2006 to 2009 GMC ENVOY
- 2010 to 2013 GMC ENVOY
- 2006 to 2009 GMC ENVOY 360
- 2006 to 2007 GMC ENVOY DENALI
- 2006 GMC ENVOY DENALI XL
- 2006 GMC ENVOY XL
- 2006 GMC ENVOY XL 370
- 2009 GMC EXPRESS
- 2006 GMC F SERIES
- 2006 to 2011 GMC G VAN BUS
- 2006 to 2008 GMC G1500
- 2010 GMC SANANA
- 2006 to 2015 GMC SAVANA
- 2006 to 2015 GMC SAVANA 1500
- 2006 to 2015 GMC SAVANA 2500
- 2006 to 2015 GMC SAVANA 3500
- 2006 to 2015 GMC SIERRA 1500
- 2006 to 2015 GMC SIERRA 2500
- 2006 to 2015 GMC SIERRA 3500
- 2007 to 2015 GMC SIERRA DENALI
- 2006 GMC SONOMA
- 2007 to 2009 GMC T SERIES
- 2006 to 2009 GMC T6500
- 2006 to 2010 GMC T7500
- 2006 to 2009 GMC T8500
- 2009 to 2015 GMC TERRAIN
- 2006 to 2013 GMC TOPKICK
- 2006 GMC TOPKICK 6500
- 2006 GMC TOPKICK 8500
- 2006 to 2007 GMC W SERIES C3 3500
- 2006 to 2011 GMC W\-SERIES
- 2006 to 2010 GMC W3500
- 2006 to 2010 GMC W4500
- 2006 to 2010 GMC W5500
- 2007 GMC W5500HD
- 2006 to 2015 GMC YUKON
- 2006 to 2013 GMC YUKON DENALI
- 2015 GMC YUKON DENALI
- 2006 to 2015 GMC YUKON DENALI XL
- 2008 to 2013 GMC YUKON HYBRID
- 2006 to 2011 GMC YUKON XL
- 2012 to 2014 GMC YUKON XL
- 2015 GMC YUKON XL
- 2006 to 2011 GMC YUKON XL 1500
- 2012 GMC YUKON XL 1500
- 2006 to 2011 GMC YUKON XL 2500
- 2012 to 2013 GMC YUKON XL 2500

## Other bulletins for the same vehicles and component

- [120310003](/bulletins/10245772.md), 2023-12-04, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS; SUSPENSION; TIRES; WHEELS; UNKNOWN OR OTHER. Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns
- [120310002](/bulletins/10245770.md), 2023-12-04, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS; UNKNOWN OR OTHER; TIRES; WHEELS. Proper Wheel Installation and Wheel Torque Techniques
- [20890](/bulletins/10137764.md), 2018-05-21, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS. 20890 ? Customer Advisory Letter. On these dual rear\-wheel vehicles, the rear\-wheel lug nuts and studs may be damaged during the removal and attachment process. Damaged lug nuts and studs could result in a loose or detached wheel. This condition may be noticeable during normal vehicle maintenance and torque checks. Customers are being advised to immediately inspect their vehicle's rear\-wheel lug nuts and studs for damage and replace them if necessary. Customers are also being advised to continue this inspection as part of normal vehicle maintenance and that replacement lug nuts and/or studs are available from their local GM dealer.
- [PIT5530B](/bulletins/10137199.md), 2018-05-21, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS. This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code \(SES, SEU, SEY, OR SEZ\) or production 22" wheels Regular Production Option Code \(RPT or SMI\) also during any service requiring wheel removal.
- [PIP4648C](/bulletins/10114603.md), 2017-08-15, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS. This Preliminary Information communication provides information to the technician that replacement transfer case halves will not be threaded. No additional thread tapping will be necessary to assemble the transfer case as the attaching metric bolts are self\-tapping. Drive the bolts into the new case and torque them to specification.
- [G\-175492](/bulletins/10114207.md), 2017-08-15, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. 11243A \- Customer Satisfaction \(revised expiration date\). On certain 2011 model year Chevrolet Express and GMC Savana vehicles, two of the four bolts that attach the propshaft to the rear axle may not be fastened to the proper specification and may begin to loosen. This would result in an unusual noise and/or vibration. If the bolts continue to loosen and the propshaft separates from the rear axle, the power to the wheels will no longer be delivered. The engine will continue to run and power braking and steering will not be affected.
- [PIP5382H](/bulletins/10114069.md), 2017-08-15, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Dealer will confirm oil level was properly checked per Owner\’s Manual, and check the bolt torque on the Valve Lifter Oil Manifold Assembly, before doing any repairs to the vehicle.
- [17\-NA\-126](/bulletins/10114027.md), 2017-08-15, Service bulletin: WHEELS:LUGS/NUTS/BOLTS/STUDS. This informational bulletin provides information on Non\-Design Intent Wheel Lock Nuts and Lug Nuts.
- [PIP5175A](/bulletins/10111972.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING; WHEELS:LUGS/NUTS/BOLTS/STUDS; WHEELS; POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
- [PIP5175](/bulletins/10111969.md), 2017-08-15, Service bulletin: PARKING BRAKE; ENGINE AND ENGINE COOLING; WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.

JSON: [/v1/bulletins/10245771](/v1/bulletins/10245771)

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