| 3.8L |
| General |
| Type | V-type, DOHC | |
| Number of cylinders | 6 | |
| Bore | 96mm (3.7795in.) | |
| Stroke | 87.0mm (3.4252in.) | |
| Total displacement | 3, 778cc (230.55cu.in.) | |
| Compression ratio | 11.5:1 | |
| Firing order | 1-2-3-4-5-6 | |
| Valve timing |
| Intake | Opens (ATDC) | 10°(3.8L) | |
| Closes (ABDC) | 66° | |
| Exhaust | Opens (BBDC) | 52° | |
| Closes (ATDC) | 0° | |
| Cylinder head |
| Flatness of gasket surface | Less than 0.05mm (0.0019in.) [Less than 0.02mm (0.0008in.)/150x150] | |
| Flatness of manifold mounting | Intake | Less than 0.1mm (0.0039in.) [Less than 0.03mm (0.001in.)/110x110] | |
| Exhaust | Less than 0.1mm (0.0039in.) [Less than 0.03mm (0.001in.)/110x110] | |
| Camshaft |
| Cam height | LH Camshaft | Intake | 46.8mm (1.8425in.) | |
| Exhaust | 45.8mm (1.8031in.) | |
| RH Camshaft | Intake | 46.8mm (1.8425in.) | |
| Exhaust | 45.8mm (1.8031in.) | |
| Journal outer diameter | LH, RH camshaft | Intake | No. 1: 27.964 ~ 27.978mm (1.1009 ~ 1.1015in.) No. 2, 3, 4: 23.954 ~ 23.970mm (0.9430 ~ 0.9437in.) | |
| Exhaust | No. 1: 27.964 ~ 27.978mm (1.1009 ~ 1.1015in.) No. 2, 3, 4: 23.954 ~ 23.970mm (0.9430 ~ 0.9437in.) | |
| Bearing oil clearance | LH, RH camshaft | Intake | No. 1: 0.027 ~ 0.057mm (0.0011 ~ 0.0022in.) No. 2, 3, 4: 0.030 ~ 0.067mm (0.0012 ~ 0.0026in.) | |
| Exhaust | No. 1: 0.027 ~ 0.057mm (0.0011 ~ 0.0022in.) No. 2, 3, 4: 0.030 ~ 0.067mm (0.0012 ~ 0.0026in.) | |
| End play | 0.02 ~ 0.18mm (0.0008 ~ 0.0071in.) | |
| Valve |
| Valve length | Intake | 105.27mm (4.1445in.) | |
| Exhaust | 105.50mm (4.1535in.) | |
| Stem outer diameter | Intake | 5.465 ~ 5.480mm (0.2151 ~ 0.2157in.) | |
| Exhaust | 5.458 ~ 5.470mm (0.2149 ~ 0.2153in.) | |
| Face angle | 45.25° ~ 45.75° | |
| Thickness of valvehead (margin) | Intake | 1.56 ~ 1.86mm (0.06142 ~ 0.07323in.) | |
| Exhaust | 1.73 ~ 2.03mm (0.06811 ~ 0.07992in.) | |
| Valve stem to valve guide clearance | Intake | 0.020 ~ 0.047mm (0.00078 ~ 0.00185in.) | 0.07mm (0.00275in.) |
| Exhaust | 0.030 ~ 0.054mm (0.00118 ~ 0.00212in.) | 0.09mm (0.00354in.) |
| Valve guide |
| Inner diameter | Intake | 5.500 ~ 5.512mm (0.2165 ~ 0.2170in.) | |
| Exhaust | 5.500 ~ 5.512mm (0.2165 ~ 0.2170in.) | |
| Length | Intake | 41.8 ~ 42.2mm (1.6457 ~ 1.6614in.) | |
| Exhaust | 41.8 ~ 42.2mm (1.6457 ~ 1.6614in.) | |
| Valve seat |
| Width of seat contact | Intake | 1.15 ~ 1.45mm (0.05118 ~ 0.05709in.) | |
| Exhaust | 1.35 ~ 1.65mm (0.05315 ~ 0.06496in.) | |
| Seat angle | Intake | 44.75° ~ 45.20° | |
| Exhaust | 44.75° ~ 45.20° | |
| Valve spring |
| Free length | 45.5mm (1.7913in.) | |
| Load | 19.3±0.8kg/34.0mm (42.7±1.8 lb/1.3386in.) | |
| 41.5±1.3kg/24.2mm (91.5±2.9 lb/0.9527in.) | |
| Out of squareness | Less than 1.5° | |
| MLA |
| MLA outer diameter | Intake | 34.964 ~ 34.980mm (1.3765 ~ 1.3772in.) | |
| Exhaust | 34.964 ~ 34.980mm (1.3765 ~ 1.3772in.) | |
| Cylinder head tappet bore inner diameter | Intake | 35.000 ~ 35.025mm (1.3779 ~ 1.3789in.) | |
| Exhaust | 35.000 ~ 35.025mm (1.3779 ~ 1.3789in.) | |
| MLA to tappet bore clearance | Intake | 0.020 ~ 0.061mm (0.0008 ~ 0.0024in.) | 0.07mm (0.0027in.) |
| Exhaust | 0.020 ~ 0.061mm (0.0008 ~ 0.0024in.) | 0.07mm (0.0027in.) |
| Valve clearance (At 20°C [68°F]) |
| Intake | 0.17 ~ 0.23mm (0.0067 ~ 0.0090in.) | 0.10 ~ 0.30mm (0.0039 ~ 0.0118in.) |
| Exhaust | 0.27 ~ 0.33mm (0.0106 ~ 0.0129in.) | 0.20 ~ 0.40mm (0.0078 ~ 0.0157in.) |
| Cylinder block |
| Cylinder bore | 96.00 ~ 96.03mm (3.7795 ~ 3.7807in.) | |
| Flatness of gasket surface | Less than 0.05mm (0.0019in.) [Less than 0.02mm (0.0008in.)/150x150] | |
| Piston |
| Piston outer diameter | 95.96 ~ 95.99mm (3.7779 ~ 3.7791in.) | |
| Piston to cylinder clearance | 0.03 ~ 0.05mm (0.0012 ~ 0.0020in.) | |
| Ring groove width | No. 1 ring groove | 1.23 ~ 1.25mm (0.0484 ~ 0.0492in.) | 1.26mm (0.0496in.) |
| No. 2 ring groove | 1.23 ~ 1.25mm (0.0484 ~ 0.0492in.) | 1.26mm (0.0496in.) |
| Oil ring groove | 2.01 ~ 2.03mm (0.0791 ~ 0.0799in.) | 2.05mm (0.0807in.) |
| Piston ring |
| Side clearance | No. 1 ring | 0.03 ~ 0.07mm (0.0012 ~ 0.0027in.) | 0.1mm (0.004in.) |
| No. 2 ring | 0.03 ~ 0.07mm (0.0012 ~ 0.0027in.) | 0.1mm (0.004in.) |
| Oil ring | 0.02 ~ 0.065mm (0.0008 ~ 0.0026in.) | 0.2mm (0.008in.) |
| End gap | No. 1 ring | 0.17 ~ 0.32mm (0.0067 ~ 0.0126in.) | 0.6mm (0.0236in.) |
| No. 2 ring | 0.32 ~ 0.47mm (0.0126 ~ 0.0185in.) | 0.7mm (0.0275in.) |
| Oil ring | 0.2 ~ 0.5mm (0.0078 ~ 0.0196in.) | 0.8mm (0.0315in.) |
| Piston pin |
| Piston pin outer diameter | 21.097 ~ 22.000mm (0.8306 ~ 0.8661in.) | |
| Piston pin hole inner diameter | 22.004 ~ 22.010mm (0.8662 ~ 0.8665in.) | |
| Piston pin hole clearance | 0.004 ~ 0.013mm (0.00016 ~ 0.00051in.) | |
| Connecting rod small end inner diameter | 22.005 ~ 22.016mm (0.8663 ~ 0.8667in.) | |
| Connecting rod small end hole clearance | 0.005 ~ 0.019mm (0.0002 ~ 0.0007in.) | |
| Connecting rod |
| Connecting rod big end inner diameter | 58.000 ~ 58.018mm (2.2834 ~2.2842in.) | |
| Connecting rod bearing oil clearance | 0.044 ~ 0.062mm (0.0017 ~ 0.0024in.) | |
| Side clearance | 0.1 ~ 0.25mm (0.0039 ~ 0.0098in.) | |
| Crankshaft |
| Main journal outer diameter | 68.942 ~ 68.960mm (2.7142 ~ 2.7149in.) | |
| Pin journal outer diameter | 54.954 ~ 54.972mm (2.1635 ~ 2.1642in.) | |
| Main bearing oil clearance | 0.022 ~ 0.040mm (0.0008 ~ 0.0016in.) | |
| End play | 0.10 ~ 0.28mm (0.0039 ~ 0.0110in.) | |
| Oil pump |
| Relief valve opening pressure | 5.0 ~ 5.5 bar | |
| Engine oil |
| Oil quantity | Total | 6.0L (6.34US qt, 5.28lmp qt, 1.58 US.gal) | When replacing a short engine or a block assembly |
| Oil pan | 5.5L (5.81US qt, 4.84lmp qt, 1.45 US.gal) | |
| Drain and refill | 5.2L (5.49US qt, 4.58lmp qt, 1.37 US.gal) | Including oil filter |
| Oil grade | Recommendation | 5W-30 ACEA A5 | If not available, refer to the recommended API or ILSAC or ACEA clasification and SAE viscosity number |
| Classification | API SL, SM or above ILSAC GF3, GF4 or above ACEA A3 or A5 | Satisfy the requirement of the API or ILSAC or ACEA clasification |
| SAE viscosity grade | Recommended SAE viscosity number | Refer to the " LUBRICATION SYSTEM " |
| Oil pressure (at 1000rpm) | 130kPa (1.22kg/cm 2 , 18.77psi) or above | Oil temperature in oil pan: 110±2°C (230±36°F) |
| Cooling system |
| Cooling method | Forced circulation with water pump | |
| Coolant quantity | 8.4 ~ 8.6 L (8.9 ~ 9.1 us.qts, 7.4 ~7.6 lmp.qts, 2.21 ~ 2.27 US.gal) | |
| Thermostat | Type | Wax pellet type | |
| Opening temperature | 82±2°C (179.6±3.6°F) | |
| Fully opened temperature | 95°C (203°F) | |
| Full lift | 10mm (0.3937in.) MIN | |
| Radiator cap | Main valve opening pressure | 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm 2 , 13.51 ~ 17.78psi) | |
| Vacuum valve opening pressure | 0 ~ 6.86 kpa (0 ~ 0.07kg/cm 2 , 0 ~ 0.99psi) | |
| Water temperature sensor |
| Type | Thermister type | |
| Resistance | 20°C (68°F) | 2.31 ~ 2.59Kohms | |
| 80°C (176°F) | 0.3222 Kohms | |