Corvette Action Center Knowledgebase

1984 Corvette: Service Bulletin: Rack / Pinion Power Steering Valve Ring Service

Jul 30, 2014 1984 corvette, service bulletin, rack, pinion, rack and pinion, steering, power steering, valve ring, service 0 1 1886 0/5 (0 Vote)

Subject: RACK/PINION POWER STEERING VALVE RING SERVICE Model and Year: 1981-84 CHEVETTE, 1982-84 CAVALIER, CELEBRITY, CITATION AND 1984 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 84-74 - (06/02/1984) This bulletin... Read More

1984 Corvette: GM TechLink: Rear Spindle Support Rod Protector Sleeve

Jul 30, 2014 1984 corvette, gm techlink, rear spindle, support rod, protector sleeve 0 0 775 0/5 (0 Vote)

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 protector, may be used to support the... 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 1023 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 0 867 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 0 813 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

1987 - 1991 Corvette: Service Bulletin: 4L60 Low & Reverse Clutch New Plate Available

Jul 29, 2014 1987 corvette, 1988 corvette, 1989 corvette, 1990 corvette, 1991 corvette, service bulletin, 4l60, transmission, automatic transmission, low clutch, reverse clutch, clutch plate, 91-186-7A 0 0 1467 0/5 (0 Vote)

Subject: 4L60 LOW & REVERSE CLUTCH NEW WAVE PLATE IS AVAILABLE Model and Year: 1987-91 CAPRICE, CAMARO, CORVETTE AND 1987-91 C/K, RN, S/T TRUCKS, G, M VANS AND 1990-91 L VAN WITH 4L60 AUTOMATIC TRANSMISSION Source: Chevrolet Service... 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 6329 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 5975 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

1990 Corvette: Service Bulletin: Clutch Apply Plate Material Changed to Powdered Metal

Jul 29, 2014 1990 corvette, service bulletin. clutch, apply, plate, powdered metal, 90-189-7A, 4060, transmission, automatic transmission 0 0 717 0/5 (0 Vote)

Subject: CLUTCH APPLY PLATE MATERIAL CHANGED TO POWDERED METAL Model and Year: 1990 ALL CARS, TRUCKS, VANS WITH 4L60 (700-R4) AUTOMATIC TRANSMISSION Source: Chevrolet Service Bulletin Bulletin Number: 90-189-7A - (03/06/1990) This bulletin... Read More

1995 Corvette: Service Bulletin: 3 - 2 Downshift Flare (Reflash Control Module)

Jul 29, 2014 1995 corvette, service bulletin, downshift, flare, reflash, control module, re-flash, 57-71-02, 4l60-e, transmission 0 0 812 0/5 (0 Vote)

Subject: 3 - 2 Downshift Flare (Reflash Control Module)Model and Year: 1995 CHEVROLET CORVETTE WITH 4L60-E TRANSMISSION (RPO M30) AND 3.07 REAR AXLE RATIO BUILT BEFORE VIN BREAKPOINT 105682Source: Chevrolet Dealer Service BulletinBulletin Number: 57... Read More

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