This Knowledgebase has been developed to cover the most frequently asked questions about Corvettes. Using our system, you can search for topics separated into categories by Corvette generation. Some of the information here comes directly from Chevrolet Service News publications, Service Bulletins, Recall Notices and other technical sources as indicated.
This Knowledgebase contains most service bulletins and recall notices for all model years. If you can't find a particular service bulletin here, try our Corvette Recall Notice & Service Bulletin Search Form which is linked to the National Highway Transportation Safety Administration. You will only be able to view a brief description of the bulletins from the NHTSA but must pay a fee to acquire the entire document.
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- 1973 - 1977: Service Bulletin: Vehicle Vibration During Acceleration
Subject: Vehicle Vibration During Acceleration Model and Year: 1973-1977 Corvette Source: Chevrolet Dealer Sevice Technical Bulletin Bulletin Number: 77-T-48 Date: July, 1977
TO: ALL CHEVROLET D...
- 1978 - 1979: Service News: Access to Right Upper Control Arm Attaching Bolt
Subject: Access to Right Upper Control Arm Attachign Bolt Model and Year: 1978 Corvette with RPO L81 Engine and A/C; All 1979 Corvette Source: Chevrolet Service News Bulletin Number: Volume 51, 197...
- 1968 L88: ESL Bulletin: Front End Roll During Hard Cornering
Subject: Front End Roll During Hard Cornering Model and Year: 1968 Corvette with RPO L-88 Source: E.S.L. Bulletin Bulletin No: 963 (T.N.) Date: 68-10-3 FRONT END ROLL DURING HARD CORNERING - 1968...
- 1984 - 1996: Technical Article: Poly Performance: Putting Polyurethane Bushings on Your Late Model Corvette
Putting polyurethane bushings on your late-model Corvette pays off with better ride and handli...y bar end link mounting bushing is much easier to change when the arm is off the car.
- 1984 - 1986: Service Bulletin: Power Steering Fluid Cooler
Source: Chevrolet Dealer Service Bulletin Number: 86-237 Section: 3B Date: April, 1987 Subject: Power Steering Fluid Cooler Model Year: 1984-1986 Corvette TO: ALL CHEVROLET DEALERS A service kit, P/...
- 1984 - 1996: Suspension Chart
Description This suspension chart was composed by Hib Halverson, an automotive journalist and contributor of internet media content. The chart contains spring rates, wheel rates, anti-roll bar diamete...
- 1984: Campaign: Rear Axle Differential Cross Shaft Retention
... AXLE DIFFER- ENTIAL CROSS SHAFT RETENTION Model and Year: 1984 CHEVROLET CORVETTE MODELS Source: C...ompleting the postage paid owner reply card and returning it to us.
We are sorry to cause you this...
- 1984: Service Bulletin: Rack / Pinion Power Steering Valve Ring Service
...K/PINION POWER STEERING VALVE RING SERVICE Model and Year: 1981-84 CHEVETTE, 1982-84 CAVALIER, CELE... be used to replace orange rings as they are interchangeable.
The design intent is that valve ring...
- 1984: Service Bulletin: Ride Harshness - Z51 Suspension
Source: Chevrolet Dealer Service Bulletin Number: 84-223 Section: 3D (IV) Date: Dec., 1984 Subject: ...me customers. Ride harshness can be significantly changed by reducing the cold tire inflation pressu...
- 1984: Service News: Rear Spindle Support Rod Protector Sleeve
Model Year: 1984 Subject: Rear Spindle Support Rod Protector Sleeve Source: Chevrolet Service News Number: 2, Volume 56, Page 3 Date: March/April 1984 The Rear Spindle Support Rods, along with a prot...
- 1988 - 1990: Service Bulletin: Power Steering Shudder / Groan
...ING SHUDDER/GROAN INSTALL P/S COOLER & HOSE Model and Year:1988-90 CORVETTE WITH 5.7L ENGINE Source:...ically apparent during either static or low speed turning maneuvers and may be perceived by the vehi...
- 1988: Service Bulletin: Service Manual Update Front Leaf Spring Compressor Adapter
Model Year: 1988 Corvette Subject: Service Manual Update Front Leaf Spring Compressor Adapter Source: Chevrolet Dealer Service Update Bulletin Bulletin Number: 88-272-3C, Number 3C Date: Aug, 1988 TO...
- 1989 - 1995: Rebuilding Bilstein Shocks by Bilstein Corporation
Subject: Bilstein Shocks: Revalve Service by Bilstein Corporation An alternative to replacing used ... per your instructions, for $55.00 per shock. The turnaround time for the rebuild/re-valve service i...
- 1990: Service Bulletin: Clicking Noise When Steering Wheel is Rotated
...KING' NOISE WHEN STEERING WHEEL IS ROTATED Model and Year: 1990 CORVETTE Source: Chevrolet Service ...ng" noise may be heard when the steering wheel is turned. Cause: The Supplemental Inflatable Restr...
- 1990: Service Manual Update: Front Suspension Revised Torque Specifications
...PDATE-SEC.3C FRT. SUSP REVISED TORQUE SPEC Model and Year: 1990 CORVETTE WITH SELECTIVE RIDE CONTRO... 42 N.m (31 lb. ft.). Please make a note of this change for future reference.
General Motors bu...
- 1991 - 1994 Corvette: Reduced Power Steering Assist at Low Ambient Temperatures
Subject: Reduced Pwr Steeringat Low Ambient Temperatures (New Power Steering Fluid) Model and Year: 1994 AND PRIOR PASSENGER CARS AND LIGHT DUTY TRUCKS Source: Chevrolet Service Bulletin Bulletin Numb...
- 1992 - 1993: Campaign: Power Steering Gear Inlet Hose
...AIGN 93CO2 - POWER STEERING GEAR INLET HOSE Model and Year: 1992-93 CHEVROLET LT1 CORVETTE Source: C...w by completing the postage paid reply card and returning it to us. We are sorry to cause you this ...
- 1992 - 1993: Service Bulletin: Steering Column Popping Noise
Subject: STEERING COLUMN POPPING NOISE (REPLACE UPPER BEARING INNER RACE SEAT) Model and Year: 1992-93 PASSENGER CARS EXCEPT CHEVROLET CAVALIER, GEO AND PONTIAC LEMANS 1992-93 LIGHT DUTY TRUCKS EXCEPT...
- 1993: Campaign: Rear Wheel Shaft U-Joint Retainer Bolts
Subject: PRODUCT CAMPAIGN 93C17 - REAR WHEEL SHAFT U-JOINT RETAINER BOLTS Model and Year: 1993 Chevrolet Corvette Source: Chevrolet Product Campaign Bulletin Number: 93C17 To: All Chevrolet Dealers ...
- 1994 - 1996: Service Bulletin: Intermittent Steering Column Snap or Clink Noise When Turn
Subject: Intermittent Steering Column Snap or Clink Noise When Turn Model and Year: 1994-96 BUICK CENTURY, LASABRE, PARK AVENUE, REGAL, ROADMASTER 1995-96 BUICK RIVIERA 1994-96 CADILLAC CONCOURS, DE...
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