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 MANUALSBUICK1998RIVIERAREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE SERVICINGAPPLICATION & IDENTIFICATIONNOTES
1998 Buick Riviera
Application & Identification: Notes
1998 Buick RivieraSECTION Notes
BODY CODE IDENTIFICATION
| Body Code | Model |
|---|---|
| "C" | Park Avenue |
| "E" | Eldorado |
| "F" | Camaro & Firebird |
| "G" | Aurora & Riviera |
| "H" | Bonneville, Eighty Eight, LeSabre, LSS & Regency |
| "J" | Cavalier & Sunfire |
| "K" | DeVille & Seville |
| "N" | Achieva, Alero, Cutlass, Grand Am, Malibu & Skylark |
| "V" | Catera |
| "W" | Century, Grand Prix, Intrigue, Lumina, Monte Carlo & Regal |
| "Y" | Corvette |
| "Z" | Saturn |
AUTOMATIC TRANSMISSION & TRANSAXLE IDENTIFICATION
| Vehicle Application | Trans. Model (RPO Code) | ||
|---|---|---|---|
| Buick | |||
| Century | 4T60E (M13) | ||
| LeSabre | 4T65E (MN3 Or M15) | ||
| Park Avenue | 4T65E (MN3 Or MN7) | ||
| Regal | 4T65E (M15 Or MN7) | ||
| Riviera | 4T65E (MN7) | ||
| Skylark | 4T60E (MN13) | ||
| Cadillac | |||
| Catera | 4L30E (ML4) | ||
| DeVille | 4T80E (MH1) | ||
| Eldorado | 4T80E (MH1) | ||
| Seville | 4T80E (MH1) | ||
| Chevrolet | |||
| Camaro | 4L60E (M30) | ||
| Cavalier | 3T40 (MD9) Or 4T40E (MN4) | ||
| Corvette | 4L60E (M30) | ||
| Lumina | |||
| 3.1L | 4T60E (M13) | ||
| 3.8L | 4T65E (M15) | ||
| Malibu | 4T40E (MN4) | ||
| Monte Carlo | |||
| 3.1L | 4T60E (M13) | ||
| 3.8L | 4T65E (M15) | ||
| Oldsmobile | |||
| Achieva | 4T40E (MN4) Or 4T60E (M13) | ||
| Alero | |||
| 2.4L | 4T40E (MN4) | ||
| 3.4L | 4T45E (MN5) | ||
| Aurora | 4T80E (MH1) | ||
| Cutlass | 4T40E (MN4) | ||
| Eighty Eight | 4T65E (M15 Or MN3) | ||
| Intrigue | |||
| 3.5L | 4T65E (MN3) | ||
| 3.8L | 4T65E (M15) | ||
| LSS | 4T65E (MN7 Or MN3) | ||
| Regency | 4T65E (M15) | ||
| Pontiac | |||
| Bonneville | 4T65E (MN3, MN7 Or M15) | ||
| Firebird | 4L60E (M30) | ||
| Grand Am | |||
| 2.4L | 4T40E (MN4) Or 4T60E (M13) | ||
| 3.1L | 4T60E (M13) | ||
| 3.4L | 4T45E (MN5) | ||
| Grand Prix | |||
| 3.1L | 4T60E (M13) | ||
| 3.8L | 4T65E (MN7 Or M15) | ||
| Sunfire | |||
| 2.2L | 3T40 (MD9) Or 4T40E (MN4) | ||
| 2.4L | 4T40E (MN4) | ||
| Saturn | MP6 & MP7 | ||
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.