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Sonata 3 (1993-1998) Sonata 4 (2001-2012, petrol)
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  • Sonata
  • Y3 (1993-1998)
  • Power unit
  • Engine repair I4 SOHC
  • Single Overhead Camshaft Engines — Specifications

Single Overhead Camshaft Engines — Specifications (Hyundai Sonata Y3)

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Technical specifications



CharacteristicNominal valueThe Limit
Engine typeIn-line overhead valve with overhead camshaft
Number of cylinders4
Cylinder diameter
1.8 l80.60—80.63 mm
2.0 l85.00—85.03 mm
Piston stroke
1.8 l, 2.0 l88 mm
Working volume
1.8 l1,795 cm³
2.0 l1,997 cm³
Compression ratio
Leaded gasoline
1.8 l8,9
2.0 l8,6
Unleaded petrol
1.8 l8,8
2.0 l8,5
Cylinder firing order1 — 3 — 4 — 2
Idle speed750 + 50 rpm
Ignition timing at idle speed5° + 1° before TDC
Valve timing
Inlet valve
1.8 l and 2.0 l
Opening19° before TDC
Closing57° after BDC
Exhaust valve
1.8 and 2.0 l
Opening57° before TDC
Closing19° after BDC
Intake valve opening duration264°
Exhaust valve opening duration264°
Camshaft
DriveToothed belt
MaterialCast iron, bleached surface
Cam height44.525 mm44.025 mm
Neck diameter33.935-33.950 mm
Bearing clearance0.05-0.09 mm
Longitudinal play0.1-0.2 mm
Cylinder head
MaterialAluminum alloy
Non-flatness of the lower surfacemax 0.05 mm0.2 mm
Non-flatness of the collector installation surfacemax 0.15 mm0.3 mm
Valve Bushing Hole Diameter
Increased by 0.05 size13,050-13,068 mm
Increased by 0.25 size13,250-13,268 mm
Increased by 0.50 size13,500-13,518 mm
Valve
Total length
Inlet106.6 mm
Outlet105.2 mm
Rod diameter8.0 mm
Chamfer angle45°
Gap between the rod and the bushing
Inlet0.03-0.05 mm0.1 mm
Outlet0.05-0.09 mm0.15 mm
Valve spring
Height in free state49.8 mm48.8 mm
Load32.9 kgf/40.4 mm32.9 kgf/41.4 mm
Right balance shaft
DriveToothed belt
MaterialSteel
Front neck diameter18,467-18,480
Rear neck diameter40.959-40.975 mm
Piston
MaterialAluminum alloy
Diameter (nominal)
1.8 l80.58-80.61 mm
2.0 l84.98-85.01 mm
Clearance between piston and cylinder bore0.01-0.03 mm
Piston ring groove width
№ 11.52-1.54 mm
№ 21.51-1.53 mm
Oil scraper4.015-4.045 mm
Repair pistonsIncreased size by 0.25mm, 0.50mm 0.75mm, 1.00mm
Piston rings
Number of rings on a piston3
Compression rings2
Oil scraper ring1
Type of compression rings
№ 1Cylindrical, special cast iron
№ 2Wedge-shaped, special cast iron
Oil scraperThree-element
Gap in the ring lock
№ 10.25-0.40 mm0.8 mm
№ 20.20-0.35 mm0.8 mm
Oil scraper ring0.20-0.70 mm1.0 mm
Lateral clearance of rings
№ 10.03-0.07 mm0.1 mm
№ 20.02-0.06 mm0.1 mm
Repair ringsIncreased size by 0.25mm, 0.50mm 0.75mm, 1.00mm
Connecting rod
Upper head hole diameter20.974-20.985 mm
Piston pin pressing force7,355-17,162 N
Gap on the pressure-bearing surface0.10-0.25 mm0.4 mm
Crankshaft
MaterialSteel
Main journal diameter56,980-56,995 mm
Diameter of connecting rod journals44.980-44.995 mm
Neck irregularitiesmax 0.015 mm
Taper of necksmax 0.005
Bearing clearance
Neck of the root0.02-0.05 mm
Crank pin0.02-0.05 mm
Longitudinal play0.05-0.18 mm
Repair linersIncreased size by 0.25, 0.50 mm, 0.75 mm
Cylinder block
MaterialCast iron
Overall height290 mm
Non-flatness of the joint surfacemax 0.05 mm0.2 mm
Non-roundness and conicity of cylindersmax 0.01 mm0.1 mm
Oil pump
TypeGear
Drive mechanismToothed belt
Tooth tip clearance
Pinion gear0.16-0.21 mm0.25 mm
Drive gear0.13-0.18 mm0.25 mm
Lateral clearance
Pinion gear0.08-0.14 mm0.25 mm
Drive gear0.06-0.12 mm0.25 mm
Oil filter
TypeFull flow with replaceable filter element
Lubrication system filling tanks
Engine oil
Filling a dry engine3.9 l
Drain and refill
No filter2.9 l
With filter3.3 l
Recommended oil (API classification)brand SD or higher
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
This article has been reviewed by: Konstantin Smirnov
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Sonata 3: Engine repair I4 SOHC
Next

Single Overhead Camshaft Engines — Tightening Torques
Adjusting valve clearances
Tightening the cylinder head bolts
Checking the engine oil level
Selecting engine oil
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Sonata 4 (2001-2012, petrol) 
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Sonata 3 (1993-1998) 
  • General information
  • Maintenance
  • Power unit
  • Engine repair I4 DOHC
  • Engine repair I4 SOHC
  • Engine repair V6 SOHC
  • Cooling system
  • Intake and exhaust system
  • Exhaust gas treatment
  • Fuel system
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic transmission KM-175
  • Automatic transmission F4A33
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
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  • Body
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  • Equipment and devices
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