Corvette Action Center Knowledgebase

1990 - 1992 Corvette ZR-1: Service Bulletin: Engine Noise - Install Bushing

Subject: ENGINE NOISE-INSTALL BUSHING 5.7L V8 (RPO LT5)Model and Year: 1990-92 CORVETTE WITH 5.7L ENGINE (RPO LT5) AND MANUAL TRANSMISSIONSource: Chevrolet Service BulletinBulletin Number: 92-230-6 - (06/15/1992) Condition: Some owners of 1990-92... Read More

1990 - 1992 Corvette ZR-1: Service Bulletin: No Start Condition (Replace Starter)

Jul 24, 2014 1990 corvette, 1991 corvette, 1992 corvette, zr-1, corvette zr-1, service bulletin, no start, no-start, starter, replace, corrosion, lt5, rpo lt5, lt5 engine 0 0 4599 4/5 (4 Votes)

Subject: NO START CONDITION (STARTER CORROSION-REPLACE STARTER) Model and Year: 1990-1992 Corvette, Engine Code J (LT5) Source: Chevrolet Service Bulletin Bulletin Number: 92-307-6 - (09/21/1992) CONDITION: Some ZR1 Corvettes may exhibit... Read More

1990 - 1991 Corvette: Service Bulletin: Hard Start on Hot Restart / Increased Idle Speed

Jul 24, 2014 1990 corvette, 1991 corvette, zr-1, corvette zr-1, service bulletin, hard start, hot restart, increased, idle, idle speed, lt5, lt5 engine, rpo lt5 0 0 987 5/5 (1 Vote)

Subject: HARD STARTING DURING A HOT RESTART, INCREASE IN IDLE SPEEDS, AND IDLE FLUCTUATION (REPLACE MEM-CAL) Model and Year: 1990-91 CHEVROLET CORVETTE WITH 5.7L ENGINE (VIN J - RPO LT5) AND MANUAL 6-SPEED TRANSMISSION (ML9)Source: Chevrolet Service... Read More

1990 - 1992 Corvette ZR-1: Service Bulletin: Engine Service Program

Jul 24, 2014 1990 corvette, 1991 corvette, 1992 corvette, zr-1, corvette zr-1, service bulletin, engine, service, program, lt5, lt5 engine, 92-228-6 0 0 1656 0/5 (0 Vote)

Subject: ENGINE SERVICE PROGRAM - LT5 5.7L CORVETTE ZR1 ENGINE (VIN CODE J)Model and Year: 1990-92 CORVETTE ZR1Source: Chevrolet Service BulletinBulletin Number: 92-228-6 - (06/01/1992) THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO.... Read More

1990 - 1995 Corvette ZR-1: Technical Article: LT5 Secondary Port Operation & Vacuum Diagnosis

Jul 24, 2014 1990 corvette, 1991 corvette, 1992 corvette, 1993 corvette, 1994 corvette, 1995 corvette, zr-1, corvette zr-1, lt5 engine, secondary port, operation, vacuum, diagnosis, tech article, technical article 1 2 5381 5/5 (3 Votes)

LT5 Secondary Port Operation & Vacuum Diagnosis by Robert Loszewski Copyright 2001 Before getting into diagnosing the LT5 engine's secondary port vacuum system, I thought it would be a good idea to take this opportunity to clear up a few... Read More

1990 Corvette ZR-1: Campaign: Fuel Lines May Crack / Fuel Leak

Jul 24, 2014 1990 corvette, zr-1, corvette zr-1, campaign, recall, recall notice, fuel line, fuel lines, crack, fracture, fuel leak, lt5, lt5 engine, 90-C-10 0 0 844 0/5 (0 Vote)

Subject: CAMPAIGN: FUEL LINES MAY CRACK/FUEL LEAK Model and Year: 1990 CHEVROLET CORVETTES WITH LT5 ENGINESSource: Chevrolet Service BulletinBulletin Number: 90-C-10 - (01/30/1990) The National Traffic and Motor Vehicle Safety Act, as amended,... Read More

1992 Corvette ZR-1: Service Bulletin: Lack of Wide Open Throttle Engine Underpower

Jul 24, 2014 1992 corvette, zr-1, corvette zr-1, wot, wide open throttle, under power, lt5 engine, abs, asr 0 0 1509 5/5 (1 Vote)

Subject: LACK OF WOT-LOW ENGINE POWER REVISED CABLE ADJUSTMENT PROC. Model and Year: 1992 CORVETTE ZR-1 WITH 5.7L ENGINE AND MANUAL TRANSMISSION Source: Chevrolet Product Emission Campaign Bulletin Number: 92-214A-7B - (07/01/1992) THIS... Read More

1994 - 1995 Corvette ZR-1: Characteristics of A.L. Dunn Cylinder Heads

Jul 24, 2014 1994 corvette, 1995 corvette, zr-1, corvette zr-1, a.l. dunn, heads, cylinder heads, characteristics, greg van deventer 0 0 1460 0/5 (0 Vote)

From Greg Van Deventer, Mercury Marine - October 18, 2000: "The A.L. Dunn cylinder heads have as cast intake and exhaust ports. All cylinder heads up to that point were from the same mold. The '90 - '92 cylinder heads were as cast, ... Read More

1994 - 1995 Corvette ZR-1: Wheel Touch-Up Paint

Jul 24, 2014 1994 corvette, 1995 corvette, zr-1, corvette zr-1, wheel, touch up, touch-up, paint 0 0 1234 0/5 (0 Vote)

The correct color code for the 1994 - 1995 Corvette ZR-1 5-spoke wheels is Dupont #C9201 or GM #WH9819. Read More

1997 - 2003 Corvette: Service Bulletin: HVAC Controls Intermittently Inoperative or Improperly Responding (Reset HVAC Controller)

Jul 24, 2014 c5 corvette, hvac, controls, heating, air conditioning, ventilation, intermittent, inoperative, hvac controller 0 0 1077 2.5/5 (2 Votes)

Subject: HVAC Controls Intermittently Inoperative or Improperly Responding (Reset HVAC Controller)Source: Chevrolet Dealer Technical Service BulletinNumber: #03-01-39-004 - (04/14/2003)Models: 1997-2003 Chevrolet Corvette Condition: Some... Read More

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