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 MANUALSCADILLAC1991SEVILLE STSREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONIDENTIFICATIONAUTOMATIC TRANSMISSION APPLICATION1998
1991 Cadillac Seville STS
Automatic Transmission Application: 1998
1991 Cadillac Seville STSSECTION 1998
TRANSMISSION APPLICATION ()
| Year |
Make | Model | Sub-Model | Engine Liters | Trans. Code | Oil Pan Gasket |
|---|---|---|---|---|---|---|
| 1998 | Cadillac | DeVille | Base | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | DeVille | Concours | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | DeVille | d'Elegance | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | Eldorado | Base | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | Eldorado | Touring | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | Seville | SLS | 4.6 | 4T80E/MH1 | |
| 1998 | Cadillac | Seville | STS | 4.6 | 4T80E/MH1 |
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.