WenmarOpen by Wenmar Pro

Service bulletin PI-0979

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 id10052277
Published by NHTSA2013-07-09
Manufacturer's numberPI-0979
Manufacturer's date2013-05-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

NHTSA's summary

GENERAL MOTORS: EVAP LEAK IN THE SMALL CANISTER VENT SOLENOID (CVS) VALVE NOT SEALING UNDER VACUUM. THE LEAK MAY BE INTERMITTENT AND PRESENT IN COLDER AMBIENT CONDITIONS. *KB

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

Brakes

Vehicles listed
BUICK LACROSSE2012, 2013
BUICK REGAL2012, 2013
BUICK VERANO2012, 2013
CADILLAC ATS2013
CHEVROLET CRUZE2011, 2012, 2013
CHEVROLET MALIBU2013
CHEVROLET ORLANDO2012, 2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20145572014-12-10. Brakes
20132822013-08-15. Brakes
13V3600002013-08-15. SERVICE BRAKES, HYDRAULIC:POWER ASSIST

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
17-NA-2392024-11-14. Service bulletin. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
PI0676A2024-04-29. Service bulletin. Squeal or Squeak Noise on Brake Apply.
PIP51462024-04-22. Service bulletin. Chatter Or Bind Feel On Turns.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIC5751A2023-12-11. Service bulletin. Service Park Brake Message C0558.
PIC57512023-12-11. Service bulletin. Service Park Brake Message C0558.
PIC5745A2023-12-11. Service bulletin. Shifter Loose Feel in Drive Or Intermittent Shift To Park Message.
PIC5735A2023-12-11. Service bulletin. Rattle Or Buzz From Behind IP IPC Or Dash