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Changes have been made to the dry-sump engine oil system used in the 2009 Corvette (fig. 1) . This information pertains to these two engines:             - LS7 7.0L -- used in the Z06  ... Read More

Subject: Loss of Oil PressureModel and Year: 1962 Corvette 250 H.P. 327" V-8Source: Chevrolet Technical Service BulletinBulletin Number: TSB #838Section:  VIDate:  October 16, 1962 TO:  ALL CHEVROLET SERVICE PERSONNELIf loss of engine... Read More

Reference Number: GCUS-9-229 SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel GM CUSTOMER CARE & AFTERSALES GMSO168 URGENT - DISTRIBUTE IMMEDIATELY DATE June 9, 2016 SUBJECT SES Lamp... Read More

SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel GM CUSTOMER CARE & AFTERSALES GMSO168 URGENT - DISTRIBUTE IMMEDIATELY DATE June 9, 2016 SUBJECT SES Lamp P0521 Setting After An Oil Change... Read More

#21-NA-109: Diagnostic Information on Engine Vibration - (May 3, 2021) Subject:  Diagnostic Information on Engine Vibration This bulletin replaces PIP5503B. Please discard PIP5503B. Brand: Model: Model Year: VIN: Engine: ... Read More

#20-NA-179: Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0521 and/or P06DD Set - (Oct 23, 2020) Subject:  Malfunction Indicator Lamp (MIL) Illuminated – DTCs P0521 and/or P06DD Set Brand: Model: Model Year: VIN... Read More

Removal of Corvette Z51 Spoiler June 29, 2020GM TechLink 2020 Corvette Stingray models equipped with the Z51 Performance Package feature a rear spoiler that adds downforce to improve high-speed stability. (Fig. 15) If the Z51 spoiler is to be... Read More

Active Fuel Management/Dynamic Fuel Management on GM Models GM TechLink: August 9, 2019 Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) is available on a number of recent GM models to help improve fuel economy, including 2014 - 2019... Read More

September 13, 2019 There may be no or low oil pressure along with DTC P06DD (Engine Oil Pressure Control Solenoid Valve Performance) set on some 2014-2019 Silverado LD, Sierra LD; 2015-2019 Escalade, Tahoe, Suburban, Yukon; 2016-2019 CTS-V, Camaro,... Read More

Corvette ZR1 Rear Spoiler Adjustment May 30, 2019 - GM TechLink The rear spoiler of the 2019 Corvette ZR1 (Fig. 18) is installed at the dealership during the Pre-Delivery Inspection (PDI). After installation of the rear spoiler, it may be... Read More