Model Year: 1990 w/ L98 or LT5 Engine Subject: Product Campaign 90C07 Instrument Panel Wire Abrasion Source: Chevrolet Dealer Product Campaign Bulletin Number: 90C07 Section:   8C Date: January, 1990 TO: ALL CHEVROLET DEALERS... Read More

Subject: INFLATABLE RESTRAINT INDICATOR LAMP STAYS ON Model and Year: 1990 Y CARSource: Chevrolet Service BulletinBulletin Number: 90-98-0A - (01/03/1990) CONDITION: The "INFL REST" indicator lamp may stay lit after the 5 second (ignition on) bulb... Read More

Subject: TECH 1 REVISED ODOMETER RECALIBRATION PROCEDUREModel and Year: 1990 CORVETTESource: Chevrolet Service BulletinBulletin Number: 90-373-8C - (11/21/1990) TO: ALL CHEVROLET DEALERS THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO... Read More

Source: Chevrolet Dealer Service Bulletin Number: 90-175-6D Subject: Service Manual Update Sec. 6D1 - Battery Spec. Chart Model Year: 1990 Y Car This bulletin reflects revisions made to the General Specifications Chart which appears in... Read More

Subject: SERVICE MAN. UPDATE SEC.9J A/B REV. SIR DIAGNOSTIC PROCEDURE Model and Year: 1990 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 90-436-9J - (11/07/1991) Some 1990 Corvettes have set SIR Sensor Codes 16 and 26. The... Read More

Subject: TECH 1 REVISED ODOMETER RECALIBRATION PROCEDURE Model and Year: 1990 CorvetteSource: Chevrolet Service BulletinBulletin Number: 90-373-8C - (11/21/1990)TO: ALL CHEVROLET DEALERSTHIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO.... Read More

Subject: INTERMITTENT ELECT. CONDITIONS REPAIR/DIAGNOSIS PROCEDURES Model and Year: 1990-91 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 91-337-6D - (05/30/1991) Condition: The electrical system on the 1990-91 Y Car may... Read More

Subject: SERVICE MANUAL UPDATE-SEC. 6D4 SPARK PLUG CODING CHART Model and Year: 1990 CORVETTESource: Chevrolet Service BulletinBulletin Number: 90-253-6D - (06/26/1990)The Spark Plug Coding Chart shown in Figure 2, Page 6D4-3, in Section 6D4 ... Read More

Subject: SERV MANUAL UPDATE-SEC.6E3 DRIVEABILITY AND EMISSIONS Model and Year: 1990 CORVETTE WITH 5.7L L98 (VIN CODE 8) ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 90-350-6E - (09/13/1990) The attached Code 34 diagnostic... Read More

Subject: STEERING WHEEL REMOVAL SPECIAL TOOL USAGEModel and Year:1990-91 CORVETTESource: Chevrolet Service BulletinBulletin Number: 91-321-3B - (05/10/1991) If difficulty is noted in the removal of the steering wheel on 1990-91 Y-cars when using the... Read More