Kia Stinger: Engine Mechanical System / Specifications

Kia Stinger CK 2018-2024 Service Manual / Engine Mechanical System / Specifications

Service data

Specifications

Description		Specifications	Limit
General
Type		In-line, DOHC
Number of cylinders		4
Bore		86 mm (3.385 in.)
Stroke		86 mm (3.385 in.)
Total displacement		1998 cc (121.92 cu.in)
Compression ratio		10.0 ± 0.3
Firing order		1-3-4-2
Valve timing
Intake valve	Opens	ATDC 40° - BTDC 38°
Intake valve	Closes	ABDC 100° - ABDC 22°
Exhaust valve	Opens	BBDC 44° - ABDC 1°
Exhaust valve	Closes	ATDC 0° - ATDC 45°
Valve clearance [Engine coolant temperature : 20°C (68°F)]
Intake valve		0.17 - 0.23 mm (0.0067 - 0.0090 in.)	0.10 - 0.30 mm (0.0039 - 0.0118 in.)
Exhaust valve		0.32 - 0.38 mm (0.0126 - 0.0150 in.)	0.20 - 0.40 mm (0.0079 - 0.0157 in.)
Camshaft
Cam height	Intake	44.2 mm (1.7401 in.)
Cam height	Exhaust	45.0 mm (1.7716 in.)
Journal outer diameter	Intake	No.1 : 31.964 - 31.978 mm (1.2584 - 1.2589 in.) No.2,3,4,5 : 23.954 - 23.970 mm (0.9431 - 0.9437 in.)
Journal outer diameter	Exhaust	No.1 : 35.984 - 36.000 mm (1.4167 - 1.4173 in.) No.2,3,4,5 : 23.954 - 23.970 mm (0.9431 - 0.9437 in.)
Bearing oil clearance	Intake	No.1 : 0.029 - 0.057 mm (0.00114 - 0.00224 in) No.2,3,4,5 : 0.037 - 0.067 mm (0.00145 - 0.00263 in)
Bearing oil clearance	Exhaust	No.1 : 0.004 - 0.036 mm (0.00020 - 0.00140 in) No.2,3,4,5 : 0.037 - 0.067 mm (0.00145 - 0.00263 in)
End play		0.04 - 0.16 mm (0.0016 - 0.0063 in.)
Valve
Valve length	Intake	113.18 mm (4.4559 in.)	112.93 mm (4.4461in)
Valve length	Exhaust	105.79mm (4.1650 in)	105.59 mm (4.1571in)
Stem outer diameter	Intake	5.465 - 5.480 mm (0.21516 - 0.21575 in.)
Stem outer diameter	Exhaust	5.458 - 5.470 mm (0.21488 - 0.21535 in.)
Face angle		45.25° - 45.75°
Thickness of valve head (margin)	Intake	1.56 - 1.86 mm (0.0615 - 0.0732 in.)
Thickness of valve head (margin)	Exhaust	1.89 - 2.19 mm (0.0744 - 0.0862 in.)
Valve stem to valve guide clearance	Intake	0.020 - 0.047 mm (0.00078 - 0.00185 in.)
Valve stem to valve guide clearance	Exhaust	0.030 - 0.054 mm (0.00118 - 0.00212 in.)
MLA outer diameter		31.964 - 31.980 mm (1.2584 - 1.2590 in.)
Tappet bore inner diameter		32.000 - 32.025 mm (1.2598 - 1.2608 in.)
MLA to tappet bore clearance		0.020 - 0.061 mm (0.00078 - 0.00240 in.)
Valve guide
Length	Intake	43.8 - 44.2 mm (1.7244 - 1.7401 in.)
Length	Exhaust	43.8 - 44.2 mm (1.7244 - 1.7401 in.)
Inner diameter	Intake	5.500 - 5.512 mm (0.21654 - 0.21701 in.)
Inner diameter	Exhaust	5.500 - 5.512 mm (0.21654 - 0.21701 in.)
Valve seat
Width of seat contact	Intake	1.16 - 1.46 mm (0.0457 - 0.0575 in.)
Width of seat contact	Exhaust	1.35 - 1.65 mm (0.0531 - 0.0649 in.)
Seat angle	Intake	44.75° - 45.10°
Seat angle	Exhaust	44.75° - 45.10°
Valve spring
Free length		47.44 mm (1.8677 in.)
Load		19.0 ± 0.6kgf/35.0 mm (41.88 ± 1.32 lb / 1.3779 in.) 39.8 ± 1.2kgf/26.0 mm (87.74 ± 2.64 lb / 1.0236 in.)
Out of squareness		Less than 1.5°
Cylinder head
Flatness of gasket surface		Less than 0.05 mm (0.0019 in.) for total area Less than 0.02 mm (0.0007 in.) for a section of 100 mm (3.9370 in.) × 100 mm (3.9370 in.)
Flatness of manifold mounting surface	Intake	Less than 0.10 mm (0.0039 in.)
Flatness of manifold mounting surface	Exhaust	Less than 0.10 mm (0.0039 in.)
Piston
Piston outer diameter		85.970 - 86.000 mm (3.38465 - 3.38583 in.)
Piston to cylinder clearance		0.020 - 0.040 mm (0.00079 - 0.00157 in.)
Ring groove width	No. 1 ring	1.235 - 1.250 mm (0.04862 - 0.04921 in.)
	No. 2 ring	1.230 - 1.250 mm (0.04843 - 0.04921 in.)
	Oil ring	2.010 - 2.025 mm (0.07913 - 0.07972 in.)
Piston ring
Side clearance	No. 1 ring	0.050 - 0.080 mm (0.00197 - 0.00315 in.)
	No. 2 ring	0.040 - 0.080 mm (0.00157 - 0.00315 in.)
	Oil ring	0.020 - 0.055 mm (0.00079 - 0.00217 in.)
End gap	No. 1 ring	0.15 - 0.25 mm (0.0059 - 0.0098 in.)
	No. 2 ring	0.25 - 0.40 mm (0.0098 - 0.0157 in.)
	Oil ring	0.20 - 0.40 mm (0.0079 - 0.0157 in.)
Piston pin
Piston pin outer diameter		21.997 - 22.000 mm (0.86602 - 0.86614 in.)
Piston pin hole inner diameter		22.003 - 22.007 mm (0.86626 - 0.86642 in.)
Piston pin hole clearance		0.003 - 0.012 mm (0.00012 - 0.00047 in.)
Connecting rod small end hole inner diameter		22.005 - 22.011 mm (0.86634 - 0.86657 in.)
Piston pin-to-connecting rod clearance		0.005 - 0.016 mm (0.00020 - 0.00063 in.)
Connecting rod
Connecting rod big end inner diameter		51.000 - 51.018 mm (2.00787 - 2.00858 in.)
Connecting rod bearing oil clearance		0.033 - 0.051 mm (0.00130 - 0.00201 in.)
Side clearance		0.10 - 0.25 mm (0.0039 - 0.0098 in.)
Crankshaft
Main journal outer diameter		51.942 - 51.960 mm (2.04496 - 2.04567 in.)
Pin journal outer diameter		47.954 - 47.972 mm (1.88795 - 1.88866 in.)
Main bearing oil clearance		0.020 - 0.038 mm (0.00079 - 0.00150 in.)
End play		0.07 - 0.25 mm (0.0028 - 0.0098 in.)
Cylinder block
Cylinder bore		86.00 - 86.03 mm (3.3858 - 3.3870 in.)
Flatness of gasket surface		Less than 0.05 mm (0.0019 in.) for total area Less than 0.02 mm (0.0007 in.) for a section of 100 mm (3.9370 in.) × 100 mm (3.9370 in.)
Cooling system
Cooling method		Forced circulation with cooling fan
Coolant quantity		Approx. 8.8 L (2.32 U.S.gal., 9.30 U.S.qt., 7.74 lmp.qt.)
Thermostat	Type	Wax pellet type
	Opening temperature	82 ± 1.5°C (179 ± 2.7°F)
	Full opening valve lift/temperature	More than 8 mm (0.3 in.) / 100°C (212°F)
Radiator cap	Main valve opening pressure	93.16 - 122.58 kPa (0.95 - 1.25 kgf/cm², 13.51 - 17.78 psi)
Radiator cap	Vacuum valve opening pressure	0 - 6.86 kPa (0 - 0.07 kgf/cm², 0 - 0.99 psi)

Tightening torque

Tightening Torques

Item	N·m	kgf·m	lb·ft	lb·in
Engine mounting
Engine mounting support bracket mounting bolts (RH/LH)	49.0 - 58.8	5.0 - 6.0	36.2 - 43.4
Engine mounting support bracket to engine mounting insulator mounting nut (RH/LH)	63.7 - 83.4	6.5 - 8.5	47.0 - 61.5
Engine mounting bracket to sub frame mounting bolts (RH/LH)	49.0 - 63.7	5.0 - 6.5	36.2 - 47.0
Transmission mounting bracket to transmission nuts (2WD)	29.4 - 34.3	3.0 - 3.5	21.7 - 25.3
Transmission mounting bracket to transmission nuts (AWD)	63.7 - 83.4	6.5 - 8.5	47.0 - 61.5
Transmission mounting bracket to body bolts	58.8 - 73.5	6.0 - 7.5	43.4 - 54.2
Drive Belt System
Drive belt tensioner pulley bolt	53.9 - 63.7	5.5 - 6.5	39.7 - 47.0
Drive belt tensioner bolt	53.9 - 63.7	5.5 - 6.5	39.7 - 47.0
Crankshaft pulley bolt	[46.1 - 51.9] + [78° - 82°]	[4.7 - 5.3] + [78° - 82° ]	[33.9 - 38.3] + [78° - 82°]
Timing System
Timing chain cover bolt (M6×25)	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Timing chain cover bolt (M8×28)	18.6 - 22.5	1.9 - 2.3	13.7 - 16.6
Timing chain tensioner bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Timing chain tensioner arm bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Timing chain guide bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Timing chain oil jet bolt	7.8 - 9.8	0.8 - 1.0	5.8 - 7.2
Cylinder head
Cylinder head cover bolt	[3.9 - 5.9] + [7.8 - 9.8]	[0.4 - 0.6] + [0.8 - 1.0]	[2.9 - 4.3] + [5.8 - 7.2]	[34.7 - 52.7] + [69.4 - 86.8]
High pressure fuel pump bracket bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Exhaust CVVT bolt	53.9 - 63.7	5.5 - 6.5	39.7 - 47.0
Intake E-CVVT bolt	73.5 - 83.4	7.5 - 8.5	54.2 - 61.5
Camshaft bearing cap bolt (M6) (LH/RH)	[5.9] + [10.8 - 12.7]	[0.6] + [1.1 - 1.3]	[4.3] + [8.0-9.4]	[52.1] + [95.5 - 112.8]
Camshaft bearing cap bolt (M8)	[14.7] + [27.5 - 31.4]	[1.5] + [2.8 - 3.2]	[10.8] + [20.3 - 23.1]
Cylinder head bolt	[32.4 - 36.3] + [90 - 95°] + [90 - 95°]	[3.3 - 3.7] + [90 - 95°] + [90 - 95°]	[23.9 - 26.8] + [90 - 95°] + [90 - 95°]
Engine hanger bolt (Front/Rear)	27.5 - 31.4	2.8 - 3.2	20.3 - 23.1
Camshaft position sensor (LH/RH)	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Exhaust OCV blot	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Cylinder block
Drive plate bolt	117.7 - 127.5	12.0 - 13.0	86.8 - 93.9
Oil filter bracket bolt	21.6 - 26.5	2.2 - 2.7	15.9 - 19.5
Ladder frame bolt	[8.8 - 9.8] + [17.7 - 20.6] + [27.5 - 31.4]	[0.9 - 1.0] + [1.8 - 2.1] + [2.8 - 3.2]	[6.5 - 7.2] + [13.0 - 15.2] + [20.3 - 23.1]
Connecting rod bearing cap bolt	[17.7 - 21.6] + [88 - 92°]	[1.8 - 2.2] + [88 - 92°]	[13.0-15.9] + [88-92°]
Main bearing cap bolt	[14.7] + [27.5 - 31.4] + [120 - 125°]	[1.5] + [2.8 - 3.2] + [120 - 125°]	[10.8] + [20.3 - 23.1] + [120 - 125°]
Piston cooling oil jet bolt	24.5 - 29.4	2.5 - 3.0	18.1 - 21.7
Crankshaft position sensor (CKPS) wheel	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Crankshaft position sensor cover bolt (M6)	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Crankshaft position sensor cover bolt (M8)	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Knock sensor bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Tensioner assembly integrated bracket bolt	39.2 - 44.1	4.0 - 4.5	28.9 - 32.5
Lubrication system
Oil drain plug	34.3 - 44.1	3.5 - 4.5	25.3 - 32.5
Oil filter	11.8 - 15.7	1.2 - 1.6	8.7 - 11.6
Oil level gauge assembly bolt	7.8 - 11.8	0.8 - 1.2	5.8 - 8.7
A/C compressor bracket bolt	19.6 - 23.5	2.0 - 2.4	14.5 - 17.4
Oil pan bolt (M6)	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Balance shaft module (BSM) chain tensioner arm bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Balance shaft module (BSM) chain guide bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Balance shaft module (BSM) chain tensioner bolt	9.8 - 11.8	1.0 - 1.2	7.2 - 8.7
Balance shaft module (BSM) bolt (M9X95)	[22.6 - 26.5] + [88 - 92°]	[2.3 - 2.7] + [88 - 92°]	[16.6 - 19.5] + [88 - 92°]
Oil pressure switch	7.8 - 11.8	0.8 - 1.2	5.8 - 8.7
Cooling system
Water pump pulley bolt	7.8 - 9.8	0.8 - 1.0	5.8 - 7.2
Water pump bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Water pump sub assembly bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Electric thermostat (ECT) bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Water temperature control assembly nut	19.6 - 23.5	2.0 - 2.4	14.5 - 17.4
Water temperature control assembly bolt	14.7 - 19.6	1.5 - 2.0	10.8 - 14.5
Intake and exhaust system
Air intake hose clamp bolt	2.9 - 4.9	0.3 - 0.5	2.2 - 3.6	26.0 - 43.4
Air cleaner assembly bolt	7.8 - 9.8	0.8 - 1.0	5.8 - 7.2
Intercooler inlet pipe mounting bolt	14.7 - 19.6	1.5 - 2.0	10.8 - 14.5
Intercooler hose clamp bolt	4.9 - 6.9	0.5 - 0.7	3.6 - 5.1	43.4 - 60.8
Intercooler mounting bracket bolt	21.6 - 26.5	2.2 - 2.7	15.9 - 19.5
Intake manifold stay bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Intake manifold bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Intake manifold nut	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Warm-up catalytic converter (WCC) stay bolt (M8)	18.6 - 27.5	1.9 - 2.8	13.7 - 20.3
Warm-up catalytic converter (WCC) stay bolt (M10)	52.0 - 57.9	5.3 - 5.9	38.3 - 42.7
Warm-up catalytic converter (WCC) nuts	49.0 - 53.9	5.0 - 5.5	36.2 - 39.8
Warm-up catalytic converter (WCC) heat protector bolt	18.6 - 23.5	1.9 - 2.4	13.7 - 17.4
Turbocharger oil drain pipe bolt	7.8 - 11.8	0.8 - 1.2	5.8 - 7.2
Turbocharger oil drain pipe nut	7.8 - 11.8	0.8 - 1.2	5.8 - 7.2
Turbocharger water feed pipe eye bolt	26.5 - 32.4	2.7 - 3.3	19.5 - 23.9
Turbocharger water feed pipe & hose bolt	7.8 - 11.8	0.8 - 1.2	5.8 - 7.2
Turbocharger water feed pipe & hose eye bolt	11.8 - 17.7	1.2 - 1.8	8.7 - 13.0
Turbo manifold module heat protector bolt	7.8 - 11.8	0.8 - 1.2	5.8 - 7.2
Turbocharger stay bolt (M8)	18.6 - 27.5	1.9 - 2.8	13.7 - 20.3
Turbocharger stay bolt (M10)	52.0 - 57.9	5.3 - 5.9	38.3 - 42.7
Turbo manifold module nut	49.0 - 53.9	5.0 - 5.5	36.2 - 39.8
Catalytic converter / muffler nut	39.2 - 58.8	4.0 - 6.0	28.9 - 43.4

Lubricant

Description		Specifications	Limit
Engine oil
Oil quantity	Total	6.3 L (1.66 U.S.gal., 6.66 U.S.qt., 5.54 lmp.qt.)	When replacing a short engine or block assembly
	Oil pan	5.3 L (1.40 U.S.gal., 5.60 U.S.qt., 4.66 lmp.qt.)
	Drain and refill	5.7 L (1.50 U.S.gal., 6.02 U.S.qt., 5.01 lmp.qt.)	Including oil filter
Oil grade	Recommendation	ACEA C2 or above / 0W-30
Oil grade	Allowed	- API SL or above - ILSAC GF-3 or above - ACEA A3 or above - For information on SAE viscosity grades based on ambient temperatures, refer to the “Lubrication System”."	Usable if the recommended engine oil is not available
Oil pressure (at 1,000rpm)		117.68 kPa (1.2 kgf/cm², 17.07 psi) or above	Oil temperature (oil pan) : 110 ± 2 °C (230 ± 35.6°F)

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