Piston and Connecting Rod
WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Specification |
|---|---|
| Piston diameter - single grade | 3.2656 -3.2661 in (82.946 -82.96 mm) |
| Piston-to-cylinder bore clearance | 0.0016 -0.0028 in (.04 -.072 mm) |
| Piston ring end gap - compression (top, gauge diameter) | 0.0079 -0.0118 in (.2 -.3 mm) |
| Piston ring end gap - compression (bottom, gauge diameter) | 0.0157 -0.0236 in (.4 -.6 mm) |
| Piston ring end gap -- oil ring (steel rail, gauge diameter) | 0.0079 -0.0197 in (.2 -.5 mm) |
| Piston ring groove width - compression (top) | 0.0484 -0.0492 in (1.23 -1.25 mm) |
| Piston ring groove width -- compression (bottom) | 0.0484 -0.0492 in (1.23 -1.25 mm) |
| Piston ring groove width - oil ring | 0.0799 -0.0807 in (2.03 -2.05 mm) |
| Piston ring width - upper compression ring | 0.0461 -0.0469 in (1.17 -1.19 mm) |
| Piston ring width - lower compression ring | 0.0461 -0.0470 in (1.17 -1.195 mm) |
| Piston ring-to-groove clearance (upper and lower compression rings) | 0.0016 -0.0031 in (.04 -.08 mm) |
| Piston pin bore diameter | 0.8663 -0.8665 in (22.004 -22.009 mm) |
| Piston pin diameter | 0.8660 -0.8661 in (21.997 -22 mm) |
| Piston pin length | 1.9587 -1.9783 in (49.75 -50.25 mm) |
| Piston pin-to-piston fit | 0.0002 -0.0005 in (.004 -.012 mm) |
| Piston-to-connecting rod clearance | 0.1181 in (3 mm) |
| Connecting rod-to-pin clearance - standard | 0.0005 -0.0010 in (.013 -.026 mm) |
| Connecting rod pin bore diameter | 0.8667 -0.8670 in (22.013 -22.023 mm) |
| Connecting rod length (center-to-center) | 5.7465 -5.7496 in (145.96 -146.04 mm) |
| Connecting rod maximum allowed bend | 0.0008 in (.02 mm) |
| Connecting rod maximum allowed twist | 0.0016 in (.04 mm) |
| Connecting rod bearing bore diameter | 2.3397 -2.3402 in (59.428 -59.442 mm) |
| Connecting rod bearing-to-crankshaft clearance | 0.0017 -0.0035 in (.042 -.088 mm) |
| Connecting rod side clearance (assembled to crank) - standard | 0.0049 -0.0148 in (.125 -.375 mm) |
| Connecting rod side clearance (assembled to crank) - service limit | 0.0049 -0.0148 in (.125 -.375 mm) |