Corvette Action Center Knowledgebase

1992 - 1993 Corvette: Service Bulletin: Steering Column Popping Noise

Jul 29, 2014 1992 corvette, 1993 corvette, service bulletin, steering column, popping, noise, 33-32-10A 0 0 793 0/5 (0 Vote)

Subject: STEERING COLUMN POPPING NOISE (REPLACE UPPER BEARING INNER RACE SEAT)Model and Year:1992-93 PASSENGER CARS EXCEPT CHEVROLET CAVALIER, GEO AND PONTIAC LEMANS1992-93 LIGHT DUTY TRUCKS EXCEPT GEO TRACKERSource: Chevrolet Service... Read More

1993 Corvette: Recall: Rear Wheel Shaft U-Joint Retainer Bolts

Jul 29, 2014 1993 corvette, recall, recall notice, campaign, rear wheel, shaft, u-joint, retainer bolts, 93C17 0 0 777 0/5 (0 Vote)

Subject: PRODUCT CAMPAIGN 93C17 - REAR WHEEL SHAFT U-JOINT RETAINER BOLTSModel and Year: 1993 Chevrolet CorvetteSource: Chevrolet Product CampaignBulletin Number: 93C17To: All Chevrolet Dealers(DCS MESSAGE SENT 6/1/93)GENERAL MOTORS HAS DETERMINED... Read More

1994 - 1996 Corvette: Service Bulletin: Intermittent Steering Column Snap or Clink Noise When Turn

Jul 29, 2014 1994 corvette, 1995 corvette, 1996 corvette, service bulletin, intermittent, steering column, snap, clink, noise, 56-32-02B 0 0 1377 0/5 (0 Vote)

Subject: Intermittent Steering Column Snap or Clink Noise When TurnModel and Year:1994-96 BUICK CENTURY, LASABRE, PARK AVENUE, REGAL, ROADMASTER 1995-96 BUICK RIVIERA 1994-96 CADILLAC CONCOURS, DEVILLE, ELDORADO, FLEETWOOD, SEVILLE 1994-96 CHEVROLET... Read More

1984 - 1996 Corvette: Shocks: Oil Film on Bilstein Shocks

Jul 29, 2014 c4 corvette, bilstein, shocks, oil film, gas pressure, shock absorbers 0 0 1019 5/5 (1 Vote)

Below is an explanation for the oil film that is often seen on the exterior of Bilstein shock absorbers: Bilstein Corporation of AmericaBilstein Gas Pressure Shock Absorbers, due to the extremely high pressures exerted on the oil chamber, must use a... Read More

1984 - 1992 Corvette: Service Bulletin: Intermittent Transmission Downshift / Slip Diagnosis

Jul 29, 2014 c4 corvette, service bulletin, intermittent, transmission, downshift, slip, diagnosis, automatic transmission, 92-42-7A, slipping 0 0 864 2/5 (1 Vote)

Subject: INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP OR BUSY/CYCLING TCC Model and Year: 1983-92 ALL PASSENGER CARS AND TRUCKS WITH AUTOMATIC TRANSMISSIONSource: Chevrolet Service BulletinBulletin Number: 92-42-7A - (11/07/1991) Some owners may comment... Read More

1984 - 1985 Corvette: Service Bulletin: Improperly Installed Reverse Idler Shaft Roll Pin

Jul 29, 2014 1984 corvette, 1985 corvette, service bulletin, improperly, installed, reverse idler shaft, roll pin 0 0 810 0/5 (0 Vote)

Subject: IMPROPERLY INSTALLED REVERSE IDLER SHAFT ROLL PIN Model and Year: 1984-1985 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 85-31 - (01/09/1985) Damage to the manual transmission may occur if the roll pin securing the... Read More

1984 - 1987 Corvette: Technical Article: Rebuilding the Doug Nash 4+3 Overdrive Unit

Jul 29, 2014 1984 corvette, 1985 corvette, 1986 corvette, 1987 corvette, tech article, technical article, rebuild, rebuilding, doug nash, 4+3, transmission, overdrive unit, david fulcher 1 4 12782 4.88/5 (8 Votes)

Nash Thrash Rebuilding the Doug Nash 4+3 Overdrive Unit. by David Fulcher 1984-88 manual shift Corvettes came through with the Doug Nash 4+3 overdrive transmission. The '84 and '85 units were almost identical, with the only difference being a... Read More

1985 Corvette: Service Bulletin: Low Idle Speed and Launch Stalls

Jul 29, 2014 1985 corvette, service bulletin, low idle, low idle speed, launch, stalls, transmission, manual transmission, ecm calibration, 85-185, Section 6E 0 0 1033 0/5 (0 Vote)

Subject: Low Idle Speed and Launch StallsModel and Year: 1985 CorvetteSource: Chevrolet Dealer Sevice BulletinBulletin Number: 85-186, Section 6EDate: Mar., 1986 TO: ALL CHEVROLET DEALERS Some 1985 Corvettes with manual transmission may... Read More

1989 - 1996 Corvette: Differences between First and Second Generation ZF 6-Speed Transmissions

Jul 29, 2014 c4 corvette, differences, first generation, second generation, zf, 6-speed, transmission, manual transmission 0 1 6323 4.22/5 (18 Votes)

From ZF regarding ZF transmission noise and differences between the ZF used in early and late ZR-1s - July 12, 2000: "All S6-40 transmissions installed in the C4 Corvette contain 100% helical gears. In fact, all of the gearboxes ZF produces for... Read More

1989 - 1996 Corvette: Service Bulletin: Information on Corvette ZF 6-Speed Manual Transmission Service Procedure

Jul 29, 2014 c4 corvette, service bulletin, zf 6-speed, manual transmission, transmission, service, procedure, 77-72-04 0 1 5970 5/5 (3 Votes)

Model Year: 1989-96 CHEVROLET CORVETTE WITH ZF 6-SPEED MANUAL TRANSMISSION (ML9) Subject: INFORMATION ON CORVETTE ZF 6-SPEED MANUAL TRANSMISSION SERVICE PROCEDURE Source: Chevrolet Dealer Service Bulletin Bulletin Number: 77-72-04 ... Read More

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