Engine Mechanical: General: Specifications: Notes
| Description | Specifications | Limit | ||
|---|---|---|---|---|
| 3.8L | ||||
| General | ||||
| Type | V-type, DOHC | - | ||
| Number of cylinders | 6 | - | ||
| Bore | 96 mm (3.7795 in) | - | ||
| Stroke | 87.0 mm (3.4252 in) | - | ||
| Total displacement | 3,778cc (230.55 cu. in.) | - | ||
| Compression ratio | 10.4 | - | ||
| Firing order | 1-2-3-4-5-6 | - | ||
| Idle RPM | 700 RPM | - | ||
| Valve timing | ||||
| Intake | Opens (ATDC) | 10° | - | |
| Closes (ABDC) | 62° | - | ||
| Exhaust | Opens (BBDC) | 42° | - | |
| Closes (ATDC) | 6° | - | ||
| Cylinder head | ||||
| Flatness of gasket surface | Less than 0.05 mm (0.0019 in.) [Less than 0.02 mm (0.0008 in.)/150x150] |
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| Flatness of manifold mounting | Intake | Less than 0.1 mm (0.0039 in.) [Less than 0.03 mm (0.001 in)/110x110] |
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| Exhaust | Less than 0.1 mm (0.0039 in.) [Less than 0.03 mm (0.001 in)/110x110] |
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| Camshaft | ||||
| Cam height | LH Camshaft | Intake | 46.8 mm (1.8425 in.) | - |
| Exhaust | 45.8 mm (1.8031 in.) | - | ||
| RH Camshaft | Intake | 46.8 mm (1.8425 in.) | - | |
| Exhaust | 45.8 mm (1.8031 in.) | - | ||
| Journal outer diameter | LH, RH Camshaft | Intake | No. 1: 27.964 ~ 27.978 mm (1.1009 ~ 1.1015 in.) No. 2, 3, 4: 23.954 ~ 23.970 mm (0.9430 ~ 0.9437 in.) |
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| Exhaust | No. 1: 27.964 ~ 27.978 mm (1.1009 ~ 1.1015 in.) No. 2, 3, 4: 23.954 ~ 23.970 mm (0.9430 ~ 0.9437 in.) |
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| Bearing oil clearance | LH, RH camshaft | Intake | No. 1: 0.027 ~ 0.057 mm (0.0011 ~ 0.0022 in.) No. 2, 3, 4: 0.030 ~ 0.067 mm (0.0012 ~ 0.0026 in.) |
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| Exhaust | No. 1: 0.027 ~ 0.057 mm (0.0011 ~ 0.0022 in.) No. 2, 3, 4: 0.030 ~ 0.067 mm (0.0012 ~ 0.0026 in.) |
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| End play | 0.02 ~ 0.18 mm (0.0008 ~ 0.0071 in.) | - | ||
| Valve | ||||
| Valve length | Intake | 105.27 mm (4.1445 in.) | - | |
| Exhaust | 105.50 mm (4.1535 in.) | - | ||
| Stem outer diameter | Intake | 5.465 ~ 5.480 mm (0.2151 ~ 0.2157 in.) | - | |
| Exhaust | 5.458 ~ 5.470 mm (0.2149 ~ 0.2153 in.) | - | ||
| Face angle | 45.25° ~ 45.75° | - | ||
| Thickness of valve head (margin) | Intake | 1.56 ~ 1.86 mm (0.06142 ~ 0.07323 in.) | - | |
| Exhaust | 1.73 ~ 2.03 mm (0.06811 ~ 0.07992 in.) | - | ||
| Valve stem to valve guide clearance | Intake | 0.020 ~ 0.047 mm (0.00078 ~ 0.00185 in.) | 0.07 mm (0.00275 in.) | |
| Exhaust | 0.030 ~ 0.054 mm (0.00118 ~ 0.00212 in.) | 0.09 mm (0.00354 in.) | ||
| Valve guide | ||||
| Inner diameter | Intake | 5.500 ~ 5.512 mm (0.2165 ~ 0.2170 in.) | - | |
| Exhaust | 5.500 ~ 5.512 mm (0.2165 ~ 0.2170 in.) | - | ||
| Length | Intake | 41.8 ~ 42.2 mm (1.6457 ~ 1.6614 in.) | - | |
| Exhaust | 41.8 ~ 42.2 mm (1.6457 ~ 1.6614 in.) | - | ||
| Valve seat | ||||
| Width of seat contact | Intake | 1.15 ~ 1.45 mm (0.05118 ~ 0.05709 in.) | - | |
| Exhaust | 1.35 ~ 1.65 mm (0.05315 ~ 0.06496 in.) | - | ||
| Seat angle | Intake | 44.75° ~ 45.20° | - | |
| Exhaust | 44.75° ~ 45.20° | - | ||
| Valve spring | ||||
| Free length | 43.86 mm (1.7267 in.) | - | ||
| Load | 19.3±0.8 kg/34.0 mm (42.7±1.8 lb/1.3386 in.) | - | ||
| 42.3±1.3 kg/24.2 mm (93.3±2.9 lb/0.9527 in.) | - | |||
| Out of squareness | Less than 1.5° | - | ||
| MLA | ||||
| MLA outer diameter | Intake | 34.964 ~ 34.980 mm (1.3765 ~ 1.3772 in.) | - | |
| Exhaust | 34.964 ~ 34.980 mm (1.3765 ~ 1.3772 in.) | - | ||
| Cylinder head tappet bore inner diameter | Intake | 35.000 ~ 35.025 mm (1.3779 ~ 1.3789 in.) | - | |
| Exhaust | 35.000 ~ 35.025 mm (1.3779 ~ 1.3789 in.) | - | ||
| MLA to tappet bore clearance | Intake | 0.020 ~ 0.061 mm (0.0008 ~ 0.0024 in.) | 0.07 mm (0.0027 in.) | |
| Exhaust | 0.020 ~ 0.061 mm (0.0008 ~ 0.0024 in.) | 0.07 mm (0.0027 in.) | ||
| Valve clearance | ||||
| Intake | 0.17 ~ 0.23 mm (0.0067 ~ 0.0090 in.) | 0.10 ~ 0.30 mm (0.0039~0.0118 in.) | ||
| Exhaust | 0.27 ~ 0.33 mm (0.0106 ~ 0.0129 in.) | 0.20 ~ 0.40 mm (0.0078 ~ 0.0157 in.) | ||
| Cylinder block | ||||
| Cylinder bore | 96.00 ~ 96.03 mm (3.7795 ~ 3.7807 in.) | - | ||
| Flatness of gasket surface | Less than 0.05 mm (0.0019 in.) [Less than 0.02 mm (0.0008 in.)/150x150] |
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| Piston | ||||
| Piston outer diameter | 95.96 ~ 95.99 mm (3.7779 ~ 3.7791 in.) | - | ||
| Piston to cylinder clearance | 0.03 ~ 0.05 mm (0.0012 ~ 0.0020 in.) | - | ||
| Ring groove width | No. 1 ring groove | 1.22 ~ 1.24 mm (0.0480 ~ 0.0488 in.) | 1.26 mm (0.0496 in.) | |
| No. 2 ring groove | 1.22 ~ 1.24 mm (0.0480 ~ 0.0488 in.) | 1.26 mm (0.0496 in.) | ||
| Oil ring groove | 2.01 ~ 2.03 mm (0.0791 ~ 0.0799 in.) | 2.05 mm (0.0807 in.) | ||
| Piston ring | ||||
| Side clearance | No. 1 ring | 0.03 ~ 0.07 mm (0.0012 ~ 0.0027 in.) | 0.1 mm ~ 0.004 in.) | |
| No. 2 ring | 0.03 ~ 0.07 mm (0.0012 ~ 0.0027 in.) | 0.1 mm (0.004 in.) | ||
| Oil ring | 0.06 ~ 0.15 mm (0.0024 ~ 0.0059 in.) | 0.2 mm (0.008 in.) | ||
| End gap | No. 1 ring | 0.17 ~ 0.32 mm (0.0067 ~ 0.0126 in.) | 0.6 mm (0.0236 in.) | |
| No. 2 ring | 0.32 ~ 0.47 mm (0.0126 ~ 0.0185 in.) | 0.7 mm (0.0275 in.) | ||
| Oil ring | 0.20 ~ 0.70 mm (0.0078 ~ 0.0275 in.) | 0.8 mm (0.0315 in.) | ||
| Piston pin | ||||
| Piston pin outer diameter | 23.001 ~ 23.006 mm (0.9055 ~ 0.9057 in.) | - | ||
| Piston pin hole inner diameter | 23.016 ~ 23.021 mm (0.9061 ~ 0.9063 in.) | - | ||
| Piston pin hole clearance | 0.01 ~ 0.02 mm (0.0004 ~ 0.0008 in.) | - | ||
| Connecting rod small end inner diameter | 22.974 ~ 22.985 mm (0.9045 ~ 0.9049 in.) | - | ||
| Connecting rod small end hole clearance | -0.032 ~ -0.016 mm (-0.0012 ~ 0.0006 in.) | - | ||
| Connecting rod | ||||
| Connecting rod big end inner diameter | 58.000 ~ 58.018 mm (2.2834 ~ 2.2842 in.) | - | ||
| Connecting rod bearing oil clearance | 0.038 ~ 0.056 mm (0.0015 ~ 0.0022 in.) | - | ||
| Side clearance | 0.1 ~ 0.25 mm (0.0039 ~ 0.0098 in.) | - | ||
| Crankshaft | ||||
| Main journal outer diameter | 68.942 ~ 68.960 mm (2.7142 ~ 2.7149 in.) | - | ||
| Pin journal outer diameter | 54.954 ~ 54.972 mm (2.1635 ~ 2.1642 in.) | - | ||
| Main bearing oil clearance | 0.022 ~ 0.040 mm (0.0008 ~ 0.0016 in.) | - | ||
| End play | 0.10 ~ 0.28 mm (0.0039 ~ 0.0110 in.) | - | ||
| Oil pump | ||||
| Relief valve opening pressure | 450 ~ 550 kPa (4.59 ~ 5.61 kgf/cm2 , 65.28 ~ 79.79 psi) |
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| Engine oil | ||||
| Oil quantity (Total) | 6.0L (6.34 U.S. qts, 5.28 lmp. qts) | When replacing a short engine or a block assembly. | ||
| Oil quantity (Oil pan) | 5.5L (5.81 U.S. qts, 4.84 lmp. qts) | When replacing an oil pan only. | ||
| Oil quantity (Drain and refill) | 5.2L (5.49 U.S. qts, 4.58 lmp. qts) | - | ||
| Oil quality | Above SJ or SL | - | ||
| Oil pressure | 130 kPa (1.32 kgf/cm2
, 18.77 psi) [at 1000 RPM, 110°C (230°F)] |
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| Cooling system | ||||
| Cooling method | Forced circulation with electrical fan | - | ||
| Coolant quantity | 8.7L (9.19 U.S. qts, 7.66 lmp. qts) | - | ||
| Thermostat | Type | Wax pellet type | - | |
| Opening temperature | 82±2°C (179.6±35.6°F) | - | ||
| Fully opened temperature | 95°C (203°F) | - | ||
| Full lift | 10 mm (0.3937 in.) MIN | - | ||
| Radiator cap | Main valve opening pressure | 93.16 ~ 122.58 kPa (0.95 ~ 1.25 kg/cm2 , 13.51 ~ 17.78 psi) |
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| Vacuum valve opening pressure | 0.98 ~ 4.90 kPa (0.01 ~ 0.05 kg/cm2 , 0.14 ~ 0.71 psi) |
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| Water temperature sensor | ||||
| Type | Thermistor type | - | ||
| Resistance | 20°C (68°F) | 2.31 ~ 2.59KΩ | - | |
| 80°C (176°F) | 0.3222 KΩ | - | ||