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 MANUALSCADILLAC2002ELDORADO V8-4.6L VIN YREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
2002 Cadillac Eldorado V8-4.6L VIN Y
Piston, Engine
2002 Cadillac Eldorado V8-4.6L VIN YSECTION Piston, Engine
| Material | Aluminum |
| Diameter | 3.6597-3.6603 in |
| Taper | No Taper Measurement |
| Pin Bore Diameter | 0.8269-0.8271 in |
| Ring Groove Width, 1st Compression, Top | 0.0484-0.0494 in |
| 2nd Compression | 0.0602-0.0612 in |
| Oil Control | 0.0996-0.1006 in |
| Inside Diameter, 1st Compression, Top, | 3.3354-3.3453 in |
| 2nd Compression | 3.2779-3.2878 in |
| Oil Control | 3.3689-3.3787 in |
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.