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Home >> Mitsubishi >> 2021 >> RVR LE >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Overhaul (2.4L Engine) >> Service Specifications

Service Specifications

Item Standard value Limit
Timing chain 
Valve clearance mm (in) Intake 0.20 ± 0.03 (0.008 ± 0.001) -
Exhaust 0.30 ± 0.03 (0.012 ± 0.001) -
Camshaft 
Cam height of camshaft mm (in) Intake 44.1 (1.736) 43.6 (1.717)
Exhaust 45.0 (1.772) 44.5 (1.752)
Camshaft oil clearance mm (in) 0 - 0.032 (0 - 0.0013) -
Cylinder head and valves 
Distortion of cylinder head bottom mm (in) Within 0.05 (0.002) 0.2 (0.008)
Grinding limit of cylinder head bottom mm (in) - 0.2 (0.008)
Overall height of cylinder head mm (in) 128.5 (5.06) -
Overall length of valve mm (in) Intake 113.18 (4.456) 112.68 (4.436)
Exhaust 105.89 (4.169) 105.39 (4.149)
Valve margin mm (in) Intake 1.022 (0.0402) 0.522 (0.0206)
Exhaust 1.094 (0.0431) 0.594 (0.0234)
Free height of valve spring mm (in) 47.2 (1.858) 46.2(1.819)
Squareness of valve spring 2° or less
Clearance between valve guide and valve stem mm (in) Intake 0.020 - 0.047 (0.0008 - 0.0019) 0.10 (0.004)
Exhaust 0.030 - 0.054 (0.0012 - 0.0021) 0.11 (0.004)
Valve seat contact width mm (in) Intake 1.16 - 1.46 (0.046 - 0.058) -
Exhaust 1.35 - 1.65 (0.053 - 0.065) -
Oversize rework dimensions of valve guide hole mm (in) 0.25 oversize diameter 11.23 - 11.25 (0.442 - 0.443) -
Intake oversize rework dimensions of valve seat hole mm (in) 0.3 oversize diameter 36.22 - 36.24 (1.426 - 1.427) -
Exhaust oversize rework dimensions of valve seat hole mm (in) 0.3 oversize diameter 30.22 - 30.24 (1.190 - 1.191) -
Valve guide press-in height mm (in) 14.6 - 15.2 (0.57 - 0.60) -
Piston and connecting rod 
Piston pin press-fit load N (lbf) 7, 500 - 17, 500 (1, 686 - 3, 934) -
Clearance between piston ring and ring groove mm (in) Number 1 0.03 - 0.07 (0.001 - 0.003) 0.1 (0.004)
Number 2 0.03 - 0.07 (0.001 - 0.003) 0.1 (0.004)
Piston ring end gap mm (in) Number 1 0.15 - 0.25 (0.006 - 0.010) 0.8 (0.03)
Number 2 0.25 - 0.40 (0.010 - 0.016) 0.8 (0.03)
Oil 0.10 - 0.35 (0.004 - 0.014) 1.0 (0.04)
Clearance of connecting rod big end thrust mm (in) 0.10 - 0.25 (0.004 - 0.010) 0.4 (0.016)
Outside diameter of connecting rod bolt mm (in) - 0.1 (0.004)
Connecting rod bearing oil clearance mm (in) 0.018 - 0.045 (0.0007 - 0.0018) 0.1 (0.004)
Crankshaft and cylinder block 
Underhead length of bearing cap bolt mm (in) 75.5 - 76.5 (2.972 - 3.012) -
Crankshaft end play mm (in) 0.05 - 0.25 (0.002 - 0.010) 0.4 (0.016)
Crankshaft journal oil clearance mm (in) 0.012 - 0.030 (0.0005 - 0.0012) 0.1 (0.004)
Distortion of cylinder block top surface mm (in) Within 0.05 (0.002) 0.2 (0.008)
Grinding limit of cylinder block top surface mm (in) - 0.2 (0.008)
Cylinder block cylinder bore mm (in) 88.0 (3.46) -
Cylindricity of cylinder block mm (in) 0.015 (0.0059) -