Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1993SPORTVAN G30, VAN PASSENGER, 7.4 NREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 40 (SERVICING - A/T)IDENTIFICATION
1993 Chevrolet Sportvan G30, Van Passenger, 7.4 N
Section 40 (Servicing - A/T): Identification
1993 Chevrolet Sportvan G30, Van Passenger, 7.4 NSECTION Identification
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 1993 Pontiac Sunbird, 1993 Pontiac Grand Prix, 1993 Pontiac Grand Am, 1993 Pontiac Firebird, and 1993 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
The manufacturer has developed a system to functionally describe its transmissions and transaxles. The designations indicate number of speeds, type, series and major features. See Fig 1 .
FWD TRANSAXLE APPLICATION
| Manufacturer & Model | Body | Transmission(s) | |
|---|---|---|---|
| Buick | |||
| Century | "A" | 3T40 & 4T60 | |
| LeSabre | "H" | 4T60-E | |
| Park Avenue | "C" | 4T60-E | |
| Regal | "W" | 4T60 & 4T60-E | |
| Riviera | "E" | 4T60 | |
| Skylark | "N" | 3T40 | |
| Cadillac | |||
| DeVille/Sixty-Special | "C" | 4T60 | |
| Eldorado | "E" | 4T60-E | |
| Seville | "K" | 4T60-E | |
| Chevrolet | |||
| Beretta | "L" | 3T40 | |
| Cavalier | "J" | 3T40 | |
| Corsica | "L" | 3T40 | |
| Lumina | "W" | 3T40, 4T60 & 4T60-E | |
| Oldsmobile | |||
| Achieva | "N" | 3T40 | |
| Cutlass Ciera | "A" | 3T40 & 4T60 | |
| Cutlass Cruiser | "A" | 4T60 | |
| Cutlass Supreme | "W" | 3T40, 4T60 & 4T60-E | |
| Eighty-Eight | "H" | 4T60-E | |
| Ninety-Eight | "C" | 4T60-E | |
| Pontiac | |||
| Bonneville | "H" | 4T60-E | |
| Grand Am | "N" | 3T40 | |
| Grand Prix | "W" | 3T40, 4T60 & 4T60-E | |
| Sunbird | "J" | 3T40 | |
RWD TRANSMISSION APPLICATION
| Manufacturer/Model | Body | Transmission(s) | |
|---|---|---|---|
| Buick | |||
| Roadmaster | "B" | 4L60 | |
| Cadillac | |||
| Fleetwood | "D" | 4L60 | |
| Chevrolet | |||
| Camaro | "F" | 4L60 | |
| Caprice | "B" | 4L60 | |
| Corvette | "Y" | 4L60 | |
| Pontiac | |||
| Firebird | "F" | 4L60 | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.