Section 874 (Engine - 3.0L (2V)): Specifications: Piston
WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
PISTON
| Item | Specification |
|---|---|
| Diameter | |
| Coded Red | 88.962-88.978 mm (3.5024-3.5031 in) |
| Coded Blue | 88.988-89.004 mm (3.5035-3.5041 in) |
| Coded Yellow | 89.014-89.030 mm (3.5045-3.5051 in) |
| Piston-to-Bore Clearance | 0.030-0.056 mm (0.0012-0.0022 in) |
| Service Limit | 0.081 mm Max. |
| Service Piston Selection d | |
| Piston Bore Diameter | Service Piston Grade Required |
| 89.009-89.035 mm (3.5043-3.05053 in) | Red |
| 89.035-89.060 mm (3.5053-3.5063 in) | Blue |
| 89.060-89.086 mm (3.5063-3.5073 in) | Yellow |
| Ring Groove Width | |
| Compression (Top) | 1.530-1.555 mm (0.0602-0.0612 in) |
| Compression (Bottom) | 1.530-1.555 mm (0.602-0.612 in) |
| Oil | 4.030-4.055 mm (0.1587-0.1596 in) |
| Piston Pin | |
| Length | 76.5-77.2 mm (3.012-3.039 in) |
| Diameter | 23.162-23.175 mm (0.9119-0.9124 in) |
| Pin to Piston Clearance | 0.005-0.012 mm (0.0002-0.0005 in) |
| Pin to Rod Clearance | Press Kit 4 KiloNewtons (900 Lbs.) |
| Piston Pins | |
| Ring Width | |
| Compression (Top) | 1.460-1.490 mm (0.0575-0.0587 in) |
| Compression (Bottom) | 1.460-1.490 mm (0.0575-0.0587 in) |
| Oil Ring | Side Seal - Snug Fit |
| Service Limit | Side Clearance 0.15 mm Max. (0.006 in Max.) |
| Ring Gap | |
| Compression (Top) (in Gauge) |
0.25-0.50 mm (0.01-0.02 in) |
| Compression (Bottom) (in Gauge) |
0.25-0.50 mm (0.01-0.02 in) |
| Oil Ring (Steel Rail) (in Gauge) |
0.25-1.25 mm (0.010-0.049 in) |
| Side Clearance | |
| 1st Ring | 0.040-0.095 mm (0.0016-0.0037 in) |
| 2nd Ring | 0.040-0.095 mm (0.0016-0.0037 in) |
|
|
d When replacing pistons, measure the cylinder bore as described in Section 303-00, and install the indicated service piston.