Kia Cadenza: Engine Mechanical System / Specifications

Kia Cadenza YG 2016-2024 Service Manual / Engine Mechanical System / Specifications

Specifications

Description			Specifications	Limit
General
Type			V-type, DOHC
Number of cylinders			6
Bore			92mm(3.6220in.)
Stroke			83.8mm(3.2992in.)
Total displacement			3,342cc(203.94cu.in.)
Compression ratio			11.5 : 1
Firing order			1-2-3-4-5-6
Valve timing
Intake	Opens(ATDC)		10°
	Closes(ABDC)		70°
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	46.6mm (1.835in.)
		Exhaust	45.8mm (1.8031in.)
	RH Camshaft	Intake	46.6mm (1.835in.)
		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.)
			42.3±1.3kg/23.8mm (93.3±2.9 lb/0.9370in.)
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.)
Exhaust			0.27 ~ 0.33mm (0.0106 ~ 0.0129in.)
Cylinder block
Cylinder bore			92.00 ~ 92.03mm (3.6220 ~ 3.6232in.)
Flatness of gasket surface			Less than 0.05mm (0.0019in.) [Less than 0.02mm (0.0008in.) / 150x150]
Piston
Piston outer diameter			91.96 ~ 91.99mm(3.6204 ~ 3.6216in.)
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.)
	No. 2 ring groove		1.23 ~ 1.25mm (0.0484 ~ 0.0492in.)
	Oil ring groove		2.01 ~ 2.03mm (0.0791 ~ 0.0799in.)
Piston ring
Side clearance	No. 1 ring		0.04 ~ 0.08mm (0.0015 ~ 0.0031in.)	0.1mm (0.004in.)
	No. 2 ring		0.04 ~ 0.08mm (0.0015 ~ 0.0031in.)	0.1mm (0.004in.)
	Oil ring		0.02 ~ 0.06mm (0.0008 ~ 0.0024in.)	0.2mm (0.008in.)
End gap	No. 1 ring		0.17 ~ 0.32mm (0.0067 ~ 0.0126in.)	0.6mm (0.0236in.)
	No. 2 ring		0.37 ~ 0.52mm (0.0145 ~ 0.0204in.)	0.7mm (0.0275in.)
	Oil ring		0.20 ~ 0.40mm (0.0078 ~ 0.0157in.)	0.8mm (0.0315in.)
Piston pin
Piston pin outer diameter			21.097 ~ 22.000mm (0.8305 ~ 0.8661in.)
Piston pin hole inner diameter			22.004 ~ 22.010mm (0.8662 ~ 0.8665in.)
Piston pin hole clearance			0.004 ~ 0.013mm (0.00015 ~ 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 (0.00019 ~ 0.00074in.)
Connecting rod
Connecting rod big end inner diameter			58.000 ~ 58.018mm(2.2834 ~2.2842in.)
Connecting rod bearing oil clearance			0.040 ~ 0.062 mm (0.0016 ~ 0.0024 in.)
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
Regulating pressure			5.0 ~ 5.5bar
Engine oil
Oil quantity	Total		6.5L (6.87 US qt, 5.72lmp qt, 1.72 US.gal)	Total Engine oil
	Oil pan		6.0L (6.34 US qt, 5.28lmp qt, 1.58 US.gal)
	Drain and refill		5.7L (6.02 US qt, 5.01lmp qt, 1.50 US.gal)	Including oil filter
Oil grade	Recommended		ACEA A5 or above / 5W-30
	Allowed		ACEA A3 or above For information on SAE viscosity grades based on ambient temperatures, refer to the “Lubrication System”.	Usable only if the recommended engine oil is not available
Oil pressure (at 1000rpm)			130kPa(1.32kgf/cm², 18.77psi) [at 1000rpm,110°C(230°F)]	Oil temperature (oil pan): 110±2°C (230±35.6°F)
Cooling system
Cooling method			Forced circulation with water pump
Coolant quantity			8.4 L (8.88 US qt., 7.39 lmp qt., 2.22 US gal.)
Thermostat	Type		Wax pellet type
	Opening temperature		88±2°C (109.4±3.6°F)
	Fully opened temperature		100°C (212°F)
	Full lift		10mm (0.3937in.) MIN
Radiator cap	Main valve opening pressure		93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm², 13.51 ~ 17.78psi)
	Vacuum valve opening pressure		0 ~ 6.86 kpa (0 ~ 0.07kg/cm², 0 ~ 0.99psi)

Sealant

Description	Specifications
Cylinder head and cylinder block between gap	THREE BOND 1217H
Timing chain cover
Cylinder head cover
Cylinder head
Oil seal case
Lower oil pan
Upper oil pan
Oil pressure switch	THREE BOND 2403

Tightening Torques

Item	Quantity	N.m	kgf.m	lb-ft
Engine Mounting
Engine mounting bracket to body fixing bolts	4	63.7 ~ 73.5	6.5 ~ 7.5	47.0 ~ 54.2
Engine mounting support bracket to engine mounting insulator fixing nut	1	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Engine mounting support bracket to engine support bracket fixing bolts	2	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Engine mounting support bracket to engine support bracket fixing nut	1	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Transaxle mounting bracket to body fixing bolts	3	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting bracket to body fixing nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle support bracket to transaxle mounting bracket fixing bolts	2	107.9 ~ 127.5	11.0 ~ 13.0	79.6 ~ 94.0
Roll rod bracket to sub frame fixing bolts	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Roll rod insulator to roll rod mounting support bracket fixing nut	1	107.9 ~ 127.5	11.0 ~ 13.0	79.6 ~ 94.0
Timing system
Drive belt idler bolt	1	53.9 ~ 57.9	5.5 ~ 5.9	39.8 ~ 42.7
Drive belt auto tensioner bolt (M12)	1	81.4 ~ 85.3	8.3 ~ 8.7	60.0 ~ 62.9
Drive belt auto tensioner bolt (M8)	1	17.7 ~ 21.6	1.8 ~ 2.2	13.0 ~ 15.9
Crankshaft pulley bolt	1	284.5 ~ 304.1	29 ~ 31	209.8 ~ 224.2
Timing chain cover bolts A	17	18.6 ~ 21.6	1.9 ~ 2.2	13.7 ~ 15.9
Timing chain cover bolts B	2	24.5 ~ 26.5	2.5 ~ 2.7	18.1 ~ 19.5
Timing chain cover bolt C	1	58.8 ~ 68.6	6.0 ~ 7.0	43.4 ~ 50.6
Timing chain cover bolt D	1	58.8 ~ 68.6	6.0 ~ 7.0	43.4 ~ 50.6
Timing chain cover bolts E	3	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain auto tensioner bolts	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain auto tensioner nuts	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain auto tensioner arm bolts	2	18.6 ~ 21.6	1.9 ~ 2.2	13.7 ~ 15.9
Timing chain guide bolts	4	19.6 ~ 24.5	2.0 ~ 2.5	14.5 ~ 18.1
Timing chain cam to cam guide bolts	4	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Cylinder head
Cylinder head cover bolts (LH/RH)	38	[4.9~5.9] + [9.8~11.8]	[0.5~0.6] + [1.0~1.2]	[3.6~4.3] + [7.2~8.7]
Continuous variable valve timing (CVVT) bolts (LH/RH)	4	64.7 ~ 76.5	6.6 ~ 7.8	47.7 ~ 56.4
Camshaft bearing cap bolts (LH/RH)	32	[5.8] + [9.8~11.8]	[0.6] + [1.0~1.2]	[4.3] + [7.2~8.7]
Cylinder head bolts (LH/RH)	16	[37.3~41.2] + [118~122°] + [88~92°]	[3.8~4.2] + [118~122°] + [88~92°]	[27.5~30.4] + [118~122°] + [88~92°]
Cylinder head bolt (RH rear)	1	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Engine hanger bolts (Front)	1	44.1 ~ 53.6	4.5 ~ 5.5	32.5 ~ 39.8
Engine hanger bolts (Rear)	2	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Exhaust OCV(oil control valve) bolts (LH/RH)	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Intake OCV(oil control valve) bolts (LH/RH)	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Fuel pump bracket bolt	4	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Cylinder block
Connecting rod bolts	12	[27.5~31.3] + [68~72°]	[2.8~3.2] + [68~72°]	[20.2~23.1] + [68~72°]
Main bearing cap inner bolts (M11)	8	[49.0] + [90°]	[5.0] + [90°]	[36.2] + [90°]
Main bearing cap outer bolts (M8)	8	[19.6] + [120°]	[2.0] + [120°]	[14.5] + [120°]
Main bearing cap side bolts (M8)	8	29.4 ~ 31.4	3.0 ~ 3.2	21.7 ~ 23.1
Oil drain cover bolts	6	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil jet bolts	3	27.5 ~ 31.3	2.8 ~ 3.2	20.2 ~ 23.1
Rear oil seal case bolts	6	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Baffle plate bolts	6	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Knock sensor bolts (LH/RH)	2	15.7 ~ 23.5	1.6 ~ 2.4	11.6 ~ 17.4
Drive plate bolts	8	71.54 ~ 75.46	7.3 ~ 7.7	52.80 ~ 55.69
Upper oil pan bolts	18	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Lubrication system
Oil drain bolt	1	34.3 ~ 44.1	3.5 ~ 4.5	25.3 ~ 32.5
Oil pump bolts	3	20.6 ~ 22.6	2.1 ~ 2.3	15.2 ~ 16.6
Oil filter body bolts	4	19.6 ~ 21.6	2.0 ~ 2.2	14.5 ~ 15.9
Oil filter cap	1	34.3	3.5	25.3
Oil level gauge bolt	1	18.6 ~ 22.6	1.9 ~ 2.3	13.7 ~ 16.6
Lower oil pan bolts	13	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pump chain cover bolts	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pump chain tensioner bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pump chain sprocket bolt	1	18.6 ~ 21.6	1.9 ~ 2.2	13.7 ~ 15.9
Cooling system
Water pump bolts A	3	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolt B	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolt C	1	21.6 ~ 26.5	2.2 ~ 2.7	15.9 ~ 19.5
Water pump bolt D	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolt E	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolt F	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolts G	4	21.6 ~ 23.5	2.2 ~ 2.4	15.9 ~ 17.4
Water pump pulley bolts	4	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Water temp. control nuts	4	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Water temp. control bolts	2	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Water center pipe bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Intake and exhaust system
Intake air hose clamp bolt	1	2.9 ~ 4.9	0.3 ~ 0.5	2.2 ~ 3.6
Air cleaner assembly bolts	2	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Intake manifold bolts	6	[3.9 ~ 5.9] + [26.5 ~ 31.4]	[0.4 ~ 0.6] + [2.7 ~ 3.2]	[2.9 ~ 4.3] + [19.5 ~ 23.1]
Intake manifold nuts	2	[3.9 ~ 5.9] + [18.62 ~ 23.52]	[0.4 ~ 0.6] + [1.9 ~ 2.4]	[2.9 ~ 4.3] + [13.74 ~ 17.36]
Surge tank stay bolts	2	27.5 ~ 31.3	2.8 ~ 3.2	20.2 ~ 23.1
Surge tank bolts	4	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Surge tank grommet bolts	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Surge tank nuts	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Intake manifold bolts	6	[3.9 ~ 5.9] + [26.5 ~ 31.4]	[0.4 ~ 0.6] + [2.7 ~ 3.2]	[2.9 ~ 4.3] + [19.5 ~ 23.1]
Intake manifold nuts	2	[3.9 ~ 5.9] + [18.62 ~ 23.52]	[0.4 ~ 0.6] + [1.9 ~ 2.4]	[2.9 ~ 4.3] + [13.74 ~ 17.36]
Heat protector bolt (LH/RH)	6	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Exhaust manifold stay bolts	4	24.5 ~ 35.3	2.5 ~ 3.6	18.1 ~ 26.0
Exhaust manifold nuts (LH/RH)	16	49.0 ~ 53.9	5.0 ~ 5.5	36.2 ~ 39.8
Front muffler hanger bracket bolt	2	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Front muffler and exhaust manifold fixing nut	4	39.2 ~ 58.8	4.0 ~ 6.0	28.9 ~ 43.4
Front muffler and center muffler fixing nut	2	39.2 ~ 58.8	4.0 ~ 6.0	28.9 ~ 43.4
Center muffler and rear muffler fixing nut	2	39.2 ~ 58.8	4.0 ~ 6.0	28.9 ~ 43.4

Torque-to-yield cylinder head, connecting rod cap and crankshaft main bearing cap bolts must be replaced once removed because the bolts are designed to be permanently elongated beyond the state of elasticity when torqued.

If the bolts are removed and reused, it may cause the bolts to break or fail to maintain clamping force.

Engine Mechanical System

...

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