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 MANUALSFORD2019EXPLORER LIMITED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALENGINE - 3.5L DURATEC (209KW/284PS)SPECIFICATIONSPISTON AND CONNECTING ROD
2019 Ford Explorer Limited, 3.5L Eng VIN 8, AWD
Piston and Connecting Rod
2019 Ford Explorer Limited, 3.5L Eng VIN 8, AWDSECTION Piston and Connecting Rod
| Item | Specification |
|---|---|
| Piston diameter - single grade | 3.6408 -3.6413 in (92.476 -92.49 mm) |
| Piston-to-cylinder bore clearance | 0.0004 -0.0017 in (.01 -.044 mm) |
| Piston ring end gap - compression (top, gauge diameter) | 0.0067 -0.0106 in (.17 -.27 mm) |
| Piston ring end gap - compression (bottom, gauge diameter) | 0.0118 -0.0217 in (.3 -.55 mm) |
| Piston ring end gap -- oil ring (steel rail, gauge diameter) | 0.0059 -0.0177 in (.15 -.45 mm) |
| Piston ring groove width - compression (top) | 0.0484 -0.0492 in (1.23 -1.25 mm) |
| Piston ring groove width -- compression (bottom) | 0.0602 -0.0610 in (1.53 -1.55 mm) |
| Piston ring groove width - oil ring | 0.0996 -0.1004 in (2.53 -2.55 mm) |
| Piston ring width - upper compression ring | 0.0461 -0.0469 in (1.17 -1.19 mm) |
| Piston ring width - lower compression ring | 0.0579 -0.0587 in (1.47 -1.49 mm) |
| Piston ring-to-groove clearance (upper and lower compression rings) | 0.0016 -0.0031 in (.04 -.08 mm) |
| Piston pin bore diameter | 0.9057 -0.9058 in (23.004 -23.008 mm) |
| Piston pin diameter | 0.9054 -0.9055 in (22.997 -23 mm) |
| Piston pin length | 2.204 in (55.975 mm) |
| Piston pin-to-piston fit | 0.0002 -0.0004 in (.004 -.011 mm) |
| Piston-to-connecting rod clearance | 0.1 in (2.7 mm) |
| Connecting rod-to-pin clearance - standard | 0.0003 -0.0009 in (.007 -.022 mm) |
| Connecting rod pin bore diameter | 0.9058 -0.9063 in (23.007 -23.019 mm) |
| Connecting rod length (center-to-center) | 6.01 in (152.68 mm) |
| Connecting rod maximum allowed bend | 0.0015 in (.038 mm) |
| Connecting rod maximum allowed twist | 0.0020 in (.05 mm) |
| Connecting rod bearing bore diameter - grade 1 | 2.3569 -2.3572 in (59.866 -59.872 mm) |
| Connecting rod bearing bore diameter - grade 2 | 2.3572 -2.3574 in (59.873 -59.879 mm) |
| Connecting rod bearing bore diameter - grade 3 | 2.3575 -2.3577 in (59.88 -59.886 mm) |
| Connecting rod bearing-to-crankshaft clearance | 0.0008 -0.0021 in (.02 -.054 mm) |
| Connecting rod side clearance (assembled to crank) - standard | 0.0069 -0.0167 in (.175 -.425 mm) |
| Connecting rod side clearance (assembled to crank) - service limit | 0.0069 -0.0167 in (.175 -.425 mm) |
RENDER: 1.0x
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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.