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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)