| General Specification |
| Type |
In-Line OHV, DOHC |
| Number of Cylinders |
4 |
| Displacement |
2.4 Liters (148 cu. in.) |
| Bore |
87.5 mm (3.445 in.) |
| Stroke |
101.0 mm (3.976 in.) |
| Compression Ratio |
9.4:1 |
| Firing Order |
1-3-4-2 |
| Compression Pressure |
690 kPa (Minimum) (100 psi Minimum) |
| Max. Variation Between Cylinders |
25% |
| Cylinder Block |
| Cylinder Bore Diameter |
87.4924-87.5076 mm (3.4446-3.4452 in.) |
| Out-of-Round (Max.) |
0.051 mm (0.002 in.) |
| Taper (Max.) |
0.051 mm (0.002 in.) |
| Pistons |
| Piston Diameter |
87.463-87.481 mm (3.4434-3.4441 in.) |
| Clearance @ 14 mm (9/16 in.) from bottom of skirt |
0.024-0.057 mm (0.0009-0.0022 in.) |
| Weight |
346-356 grams (12.20-12.56 oz.) |
| Land Clearance (Diametrical) |
0.614-0.664 mm (0.024-0.026 in.) |
| Piston Length |
66.25 mm (2.608 in.) |
| Piston Ring Groove Depth No. 1 |
4.640-1.784 mm (0.182-0.188 in.) |
| Piston Ring Groove Depth No. 2 |
4.575-4.719 mm (0.180-0.185 in.) |
| Piston Ring Groove Depth No. 3 |
4.097-1.236 mm (0.161-0.166 in.) |
| Piston Pins |
| Clearance in Piston |
0.005-0.018 mm (0.0002-0.0008 in.) |
| Clearance in Connecting Rod |
Interference |
| Diameter |
21.998-22.003 mm (0.8660-0.8662 in.) |
| End Play |
None |
| Length |
72.75-73.25 mm (2.864-2.883 in.) |
| Piston Rings |
| Ring Gap-Top Compression Ring |
0.25-0.51 mm (0.0098-0.020 in.) |
| Wear Limit |
0.8 mm (0.031 in.) |
| Ring Gap-2nd Compression Ring |
0.23-0.48 mm (0.009-0.018 in.) |
| Wear Limit |
0.8 mm (0.031 in.) |
| Ring Gap-Oil Control Steel Rails |
0.25-0.64 mm (0.0098-0.025 in.) |
| Wear Limit |
1.00 mm |
| (0.039 in.) |
| Ring Side Clearance-Compression Rings |
0.030-0.080 mm (0.0011-0.0031 in.) |
| Wear Limit |
0.10 mm (0.004 in.) |
| Ring Side Clearance-Oil Ring Pack |
0.012-0.178 mm (0.0004-0.0070 in.) |
| Ring Width-Compression Rings |
1.47-1.50 mm (0.057-0.059 in.) |
| Ring Width-Oil Ring Pack |
2.72-2.88 mm (0.107-0.1133 in.) |
| Connecting Rod |
| Bearing Clearance |
0.025-0.071 mm (0.0009-0.0027 in.) |
| Wear Limit |
0.075 mm (0.003 in.) |
| Bore Diameter-Piston Pin |
20.96-20.98 mm (0.8252-0.8260 in.) |
| Bore Diameter- Crankshaft End |
53.007-52.993 mm (2.0868-2.0863 in.) |
| Side Clearance |
0.13-0.38 mm (0.005-0.015 in.) |
| Wear Limit |
0.40 mm (0.016 in.) |
| Weight-Total (Less Bearing) |
565.8 grams (19.96 oz.) |
| Crankshaft |
| Connecting Rod Journal Diameter |
49.984-50.000 mm (1.968-1.9685 in.) |
| Main Bearing Journal Diameter |
59.992-60.008 mm (2.362-2.3625 in.) |
| Journal Out-of-Round (Max.) |
0.0035 mm (0.0003 in.) |
| Journal Taper (Max.) |
0.007 mm (0.0001 in.) |
| End Play |
0.09-0.24 mm (0.0035-0.0094 in.) |
| Wear Limit |
0.38 mm (0.015 in.) |
| Main Bearing Diametrical Clearance |
0.018-0.062 mm (0.0007-0.0024 in.) |
| Hydraulic Lash Adjuster |
| Body Diameter |
15.901-15.913 mm (0.626-0.6264 in.) |
| Plunger Travel Minimum (Dry) |
3.0 mm (0.118 in.) |
| Cylinder Head Camshaft Bearing Bore Diameter |
| Journals No. 1-6 |
26.020-26.041 mm (1.024-1.025 in.) |
| Camshaft |
| Journal Diameter No. 1-6 |
25.951-25.970 mm (1.021-1.022 in.) |
| Bearing Clearance- Diametrical |
0.069-0.071 mm (0.0027-0.003 in.) |
| End Play |
0.05-0.17 mm (0.0019-0.0066 in.) |
| Lift (Zero Lash) |
|
| Intake |
8.25 mm (0.324 in.) |
| Exhaust |
6.60 mm (0.259 mm) |
| Intake Valve Timing |
|
| Closes (ABDC) |
51° |
| Opens (BTDC) |
1° |
| Duration |
232° |
| Exhaust Valve Timing |
|
| Closes (ATDC) |
7° |
| Opens (BBDC) |
47° |
| Duration |
234° |
| Valve Overlap |
8° |
| Cylinder Head |
| Material |
Cast Aluminum |
| Gasket Thickness (Compressed) |
0.71 mm (0.028 in.) |
| Valve Seat |
| Angle |
44.5-45° |
| Seat Diameter-Intake |
34.37-34.63 mm (1.353-1.363 in.) |
| Seat Diameter-Exhaust |
27.06-27.32 mm (1.065-1.075 in.) |
| Runout (Max.) |
0.05 mm (0.002 in.) |
| Valve Seat Width-Intake and Exhaust |
0.9-1.3 mm (0.035-0.051 in.) |
| Service Limit-Intake |
2.0 mm (0.079 in.) |
| Service Limit-Exhaust |
2.5 mm (0.098 in.) |
| Valve Guide |
| Diameter I.D. |
5.975-6.000 mm (0.235-0.236 in.) |
| Guide Bore Diameter |
11.0-11.02 mm (0.4330-0.4338 in.) |
| Guide Height (spring seat to guide tip) |
13.25-13.75 mm (0.521-0.541 in.) |
| Valves |
| Face Angle-Intake and Exhaust |
44.5-45° |
| Head Diameter-Intake |
34.67-34.93 mm 1.364-1.375 in.) |
| Head Diameter-Exhaust |
28.32-28.52 mm (1.114-1.122 in.) |
| Valve Length (Overall) |
|
| -Intake |
112.76-113.32 mm (4.439-4.461 in.) |
| -Exhaust |
110.89-111.69 mm (4.365-4.397 in.) |
| Valve Stem Diameter |
|
| -Intake |
5.934-5.952 mm (0.2337-0.2344 in.) |
| -Exhaust |
5.906-5.924 mm (0.2326-0.2333 in.) |
| Valve Margin |
| Intake |
1.2-1.7 mm (0.047-0.066 in.) |
| Service Limit |
0.95 mm (1/32 in.) |
| Exhaust |
0.985-1.315 mm (0.038-0.051 in.) |
| Service Limit |
1.05 mm (3/64 in.) |
| Valve Stem Tip |
| Intake |
48.04 mm (1.891 in.) |
| Exhaust |
47.99 mm (1.889 in.) |
| Valve Stem to Guide Clearance |
| Intake |
0.048-0.066 mm (0.0018-0.0025 in.) |
| Max. Allowable |
0.076 mm (0.003 in.) |
| Service Limit |
0.25 mm (0.010 in.) |
| Exhaust |
0.0736-0.094 mm (0.0029-0.0037 in.) |
| Max. Allowable |
0.101 mm (0.004 in.) |
| Service Limit |
0.25 mm (0.010 in.) |
| Valve Springs |
| Free Length (Approx.) |
48.4 mm (1.905 in.) |
| Nominal Force (Valve Closed) |
338 N @ 38.0 mm (75.98 lbs. @ 1.496 in.) |
| Nominal Force (Valve Open) |
607 N @ 29.75 mm (136 lbs. @ 1.172 in.) |
| Installed Height |
38.00 mm (1.496 in.) |
| Number of Coils |
7.82 |
| Wire Diameter |
3.86 mm (1.496 in.) |
| Oil Pump |
| Clearance Over Rotors (Max.) |
0.10 mm (0.004 in.) |
| Cover Out-of-Flat (Max.) |
0.025 mm (0.001 in.) |
| Inner Rotor Thickness (Min.) |
9.40 mm (0.370 in.) |
| Outer Rotor Thickness (Min.) |
9.40 mm (0.370 in.) |
| Outer Rotor Clearance (Max.) |
0.039 mm (0.015 in.) |
| Outer Rotor Diameter (Min.) |
79.95 mm (3.148 in.) |
| Tip Clearance Between Rotors (Max.) |
0.20 mm (0.008 in.) |
| Oil Pressure |
| At Curb Idle Speed |
25 kPa (4 psi) |
| At 3000 rpm |
170-550 kPa (25-80 psi) |