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 MANUALSCADILLAC1999SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSMAIN BEARING CLEARANCES
1999 Cadillac Seville SLS V8-4.6L VIN Y
Main Bearing Clearances
1999 Cadillac Seville SLS V8-4.6L VIN YSECTION Main Bearing Clearances
| Main Bearing Clearance Limit | New Limit | 0.0006 - 0.002 |
| Worn Limit | 0.0025 | |
| Main Bearing Journal | Diameter | 2.5335 - 2.5340 |
| Out-of-Round (Not Over) | 0.00016 | |
| Taper | 0.00016 | |
| Length-No. 1 | 0.969 | |
| Length-No. 2 | 0.969 | |
| Length-No. 3 | 0.992 | |
| Length-No. 4 | 0.969 | |
| Length-No. 5 | 0.969 | |
| End Play in Crankshaft-New Limits | 0.002 - 0.019 | |
| End Play in Crankshaft-Worn Limits | 0.020 |
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.