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#N202319660: Service Update - Valve Spring Failure - (Nov 20, 2020) Subject:  N202319660 — Valve Spring Failure Models:  2021 Cadillac Escalade (RPO L87) 2021 Chevrolet Camaro (RPO LT1/LT4) 2020 Chevrolet Corvette (RPO LT2) ... Read More

2020 Corvette: Misfire and Engine Noise Condition October 28, 2020 Some 2020 Silverado, Sierra; 2020-2021 Camaro; 2021 Corvette, Tahoe, Suburban, Yukon, and Escalade models equipped with the 5.3L engine (RPOs L82, L84), 6.2L engine (RPOs L87, LT1,... Read More

#PIP5752F: Service Engine Light Misfire Engine Noise With DTC P0300 P0106 P0506 - (Oct 28, 2020) Subject:  Service Engine Light Misfire Engine Noise With DTC P0300 P0106 P0506 Brand: Model: Model Year: VIN: Engine: Transmission: ... Read More

#PIP5752A: Service Engine Light misfire engine noise With DTC P0300 P0106 P0506 - (Sep 22, 2020) Subject:  Service Engine Light misfire engine noise With DTC P0300 P0106 P0506 Brand: Model: Model Year: VIN: Engine: Transmission: ... 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

#PIC5335A: Composite Transverse Spring Damage - (Dec 13, 2012) Subject:  Composite Transverse Spring Damage Models:  2004 - 2009 Cadillac XLR 1997 - 2013 Chevrolet Corvette This PI was superseded to update model years and... Read More

#PIP5423: SES Lamp Setting A P0106 And/or P0506 - (Oct 3, 2016) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac Escalade 2015 2017 SOP END L86 All Cadillac CTS-V 2016 2017 SOP... Read More

This service update should apply to 1963 through 1968 Corvettes as well as Corvettes built in the 1970's and early 1980's prior to the 1984 Corvette. Subject:    Rear Spring Removal Model and Year:   1968 Corvette Source:... Read More

Subject:    Valve Springs, Rocker Arms, Camshafts Model and Year:  1965 - 1967 Corvette with 396 or 427 ci engines. Source:  Tonawanda Engine Service Notes from Mr. W.O. Wittholz, Chevrolet Tonawanda Engine Plant Page... Read More

Subject: Primary Fuel Inlet Float Needle Sticking Closed - Model and Year: All Holley Carburetor Equipped Engines Source: Chevrolet Technical Service Bulletin Bulletin Number: DR #66-38, Section VIm Date:   July 7, 1966 TO: ... Read More