Displacement |
2.3L |
No. of cylinders |
4 |
Bore/stroke |
87.5/94.0 |
Firing order |
1-3-4-2 |
Oil pressure (hot @ 2,000 rpm) |
29-39 psi 200-268 kPa |
Oil capacity |
3.8L + 0.4L with filter. (4.1 qts. + 0.4 qt. with filter) |
Cylinder Block |
Cylinder bore diameter |
87.5-87.53 mm (3.444-3.446 in) |
Cylinder bore maximum out-of-round |
0.008 mm (0.0003 in) |
Main 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 x 7.87) |
Piston |
Diameter (1) |
87.465-87.475 mm (3.443-3.444 in) |
Diameter (2) |
87.4725-87.4875 mm (3.4438-3.4439 in) |
Diameter (3) |
87.485-87.495 mm (3.4442-3.4447 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 (0.0473-0.0474 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 |
20.995-21.0 mm (0.8265-0.8267 in) |
Length |
59.6-60.4 mm (2.346-2.377 in) |
Piston-to-pin clearance |
0.008-0.016 mm (0.0003-0.0006 in) |
Pin-to-rod clearance |
Press fit |
Cylinder Head |
Valve lift @ zero lash (exhaust) |
7.7 mm (0.30 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 lb |
Intake (valve open) 8.9 mm (0.35 in) of lift |
97.032 lb |
Exhaust (valve open) 7.4 mm of lift |
93.338 lb |
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) |
Rings |
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 (1)
a
|
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) |