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 MANUALSFORD2004MUSTANG BASE, 2D COUPE, 3.9 6, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2061 (ENGINE MECHANICAL - 2.5L (HYBRID))ASSEMBLYENGINELOWER ENGINE BLOCK (VIEW 2)
2004 Ford Mustang Base, 2D Coupe, 3.9 6, Automatic
Lower Engine Block (View 2)
2004 Ford Mustang Base, 2D Coupe, 3.9 6, AutomaticSECTION Lower Engine Block (View 2)
WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
ITEM DESCRIPTION TABLE
| Item | Part Number | Description |
|---|---|---|
| 1 | 6161 | Piston oil control spacer (4 required) |
| 2 | 6150 | Piston compression upper ring (4 required) |
| 3 | 6152 | Piston compression lower ring (4 required) |
| 4 | 6159 | Piston oil control upper segment ring (4 required) |
| 5 | 6159 | Piston oil control lower segment ring (4 required) |
| 6 | 6140 | Piston pin retainer (8 required) |
| 7 | 6135 | Piston pin (4 required) |
| 8 | 6200 | Connecting rod (4 required) |
| 9 | 6211 | Connecting rod upper bearing (4 required) |
| 10 | 6110 | Piston (4 required) |
| 11 | 6211 | Connecting rod lower bearing (4 required) |
| 12 | 6210 | Connecting rod cap (4 required) |
| 13 | 6010 | Cylinder block |
| 14 | 6333 | Cylinder block crankshaft main bearing (5 required) |
| 15 | 6303 | Crankshaft |
| 16 | 6333 | Crankshaft main bearing beam bearing (5 required) |
| 17 | 6F098 | Main bearing beam |
| 18 | 6K360 | Balance shaft assembly |
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.