2.5L Engine
2.5L ENGINE SPECIFICATIONS
| Item | Specification |
|---|---|
| Displacement | 2.5L |
| No. of cylinders | 4 |
| Bore/stroke | 89. x 100 mm |
| Firing order | 1-3-4-2 |
| Oil pressure (hot 2,000 rpm) | 200-268 kPa (29-39 psi) |
| Oil capacity | 4.25L with filter (4.5 qt. with filter) |
| Compression ratio | 9.7:1 |
| Engine weight (without accessory drive components and flexplate or flywheel) | 115.8 kg (255.3 lb.) |
| Engine and transaxle weight (without accessory drive components and flexplate or flywheel) | 203.8 kg (449.3 lb) |
| Cylinder Block | |
| Cylinder bore diameter | 89.0-89.03 mm (3.503-3.505 in) |
| Cylinder bore maximum out-of-round | 0.008 mm (0.0003 in) |
| Pin bearing bore diameter | 57.018-57.040 mm (2.244-2.245 in) |
| Head gasket surface flatness | 0.1 mm general/0.05 mm/200 x 200 (0.004 in/general) (0.0019 in/7.87/7.87) |
| Piston | |
| Diameter (1) | 88.965-88.975 mm (3.5025-3.5029 in) |
| Diameter (2) | 88.975-88.985 mm (3.5029-3.5033 in) |
| Diameter (3) | 88.985-88.995 mm (3.5033-3.5037 in) |
| Piston-to-bore clearance | 0.025-0.045 mm (0.0009-0.0017 in) |
| Ring groove width; top | 1.203-1.205 mm (0.0473-0.0474 in) |
| Ring groove width; 2nd | 1.202-1.204 mm (0.473-0.474 in) |
| Ring groove width; oil | 2.501-2.503 mm (0.0984-0.0985 in) |
| Piston skirt coating thickness | 0.008-0.016 mm (0.0003-0.0006 in) |
| Piston Pin | |
| Diameter | 19.995-20.0 mm (0.8265-0.8267 in) |
| Length | 54.7-55.0 mm (2.1535-2.1653 in) |
| Piston-to-pin clearance | 0.008-0.016 mm (0.0003-0.0006 in) |
| Piston-to-rod clearance | Press fit |
| Cylinder Head | |
| Valve lift zero lash (exhaust) | 7.7 mm (0.030 in) |
| Valve lift zero lash (intake) | 8.8 mm (0.35 in) |
| Valve guide diameter | 5.509-5.539 mm (0.216-0.218 in) |
| Valve seat width - intake/exhaust | 0.99/1.84 mm (0.038/0.072 in) |
| Valve seat angle | 45 degrees |
| Valve seat runout | 0.075 mm (0.0029 in) |
| Valve lash adjuster bore diameter | 31.00-31.03 mm (1.220-1.221 in) |
| Cam bore diameter | 25.015-25.040 mm (0.984-0.985 in) |
| Valve | |
| Valve head diameter - intake | 34.85-35.15 mm (1.372-1.383 in) |
| Valve head diameter - exhaust | 29.85-30.15 mm (1.175-1.187 in) |
| Valve stem diameter - intake | 5.470-5.485 mm (0.2153-0.2159 in) |
| Valve stem diameter - exhaust | 5.465-5.480 mm (0.2151-0.2157 in) |
| Valve stem-to-guide clearance - intake | 0.0027 mm (0.00010 in) |
| Valve stem-to-guide clearance - exhaust | 0.0029 mm (0.00011 in) |
| Valve face runout | 0.05 mm (0.0019 in) |
| Valve face angle | 45 degrees |
| Valve Spring - Compression Pressure | |
| Intake and exhaust (installed) | 38.667 lbs. |
| Intake (valve open) 8.9 mm (0.35 in) of lift | 97.032 lbs. |
| Exhaust (valve open) | 7.4 mm of lift 93.338 lbs. |
| Free length | 44.92 mm (1.768 in) |
| Assembled height | 37.9 mm (1.492 in) |
| Crankshaft | |
| Main bearing journal diameter | 51.978-52.002 mm (2.046-2.047 in) |
| Production repair | 51.730-51.750 mm (2.036-2.037 in) |
| Main bearing clearance | 0.016-0.047 mm (0.0006-0.0015 in) |
| Connecting rod journal diameter | 46.978-47.002 mm (1.849-1.850 in) |
| Production repair | 49.730-49.750 mm (1.957-1.958 in) |
| End play | 0.220-0.450 mm (0.007-0.018 in) |
| Bearings | |
| Width; top | 1.17-1.185 mm (0.0460-0.0466 in) |
| Width; 2nd | 1.197-1.199 mm (0.0471-0.0472 in) |
| Width; oil | 2.38-2.45 mm (0.093-0.096 in) |
| Ring gap (in bore); top | 0.16-0.31 mm (0.006-0.012 in) |
| Ring gap (in bore); 2nd | 0.33-0.48 mm (0.012-0.018 in) |
| Ring gap (in bore); oil | 0.2-0.7 mm (0.007-0.027 in) |
| Valve Tappet | |
| Diameter | 30.97-30.98 mm (1.2192-1.2196 in) |
| Tappet-to-valve clearance - intake | 0.22-0.28 mm (0.008-0.011 in) |
| Tappet-to-valve clearance - exhaust | 0.27-0.33 mm (0.010-0.013 in) |
| Tappet-to-bore clearance | 0.02-0.06 mm (0.0007-0.0023 in) |
| Camshaft | |
| Lobe lift - intake | 8.24999 mm (0.324 in) |
| Lobe lift - exhaust | 7.80007 mm (0.307 in) |
| Runout (No. 3 Journal - Supported by No. 1 and No. 5 journals). | 0.03 mm (0.001 in) |
| Thrust clearance | 0.09-0.24 mm (0.003-0.009 in) |
| Journal diameter | 24.96-24.98 mm (0.982-0.983 in) |
| Journal-to-bore clearance | 0.035-0.080 mm (0.001-0.003 in) |
| Connecting Rod | |
| Bearing Clearance | 0.027-0.052 mm (0.001-0.002 in) |
| Bearing Thickness | 1.496-1.520 mm (0.058-0.059 in) |
| Crank bore diameter | 53.025-53.045 mm (2.087-2.088 in) |
| Pin bore diameter | 20.965-20.985 mm (0.825-0.826 in) |
| Length (center-to-center) | 154.8 mm (6.094 in) |
| Side clearance | 1.95-3.05 mm (0.076-0.120 in) |
| Axial clearance | 0.14-0.36 mm (0.005-0.014 in) |