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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 1.8L (LKN)) >> Specifications >> Engine Mechanical Specifications

Engine Mechanical Specifications

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Application Specification
Metric English
General Data
  • RPO
 LKN
  • Engine Type
 4-Cylinder Inline
  • Valves
 16
  • Displacement
 1.796 l 109.6 cu in
  • Bore Diameter
 80.5 mm 3.169 in
  • Stroke
 88.2 mm 3.4723 in
  • Bore Distance
 86 mm 3.386 in
  • Compression Ratio
 12.5:1
  • Output @ Engine Speed (KW / RPM)
 91 / 6000
  • Torque @ Engine Speed (/ RPM)
 175 / 4750 129 lb ft / 1700 - 4700
  • Idle Speed RPM
 1050
  • No-Load max. Speed (RPM)
 6300
Engine Management
  • ECM Type
 E39A
  • Injection Pressure of Fuel Rail System
 200 bar
  • Fuel Pump Type
 Single Piston Pump
  • Nominal Pressure
 200 bar
  • Firing Order
 1-3-4-2
Engine Oil
  • Viscosity
 0W-30, 0W-40, 5W-30, 5W-40
  • Engine Oil Quality
 Dexos 1 or Dexos 2
  • Engine Oil Quality (Alternatively)
 ACEA C3 or A3/B3
  • Engine Oil Filling with Oil Filter
 Approximate Fluid Capacities 
  • Engine Oil Filling between "min." and "max."
 1.0 l 1.06 quarts
  • Disposal of Engine Oil
 For disposal the engine oil follow safety regulations and national legislation.
  • Oil Consumption / 1000 km (621 miles)
 max. 0.6 l max. 0.634 quarts
Cooling System
  • Coolant Specification
 Refer to Electronic Parts Catalog
  • Type of Water Pump
 Switchable Water Pump
  • Type of Thermostat
 Electrical Thermostat
Engine Block
  • Cylinder Block Height
 206.99 mm 8.15 in
  • Cylinder Bore Diameter, Primary Target Gage Diameter
 80.492 - 80.508 mm 3.169 -3.1696 in
  • Cylinder Bore Diameter, Other Target Gage Diameter
 80.489 -80.511 mm 3.1689 - 3.1697 in
  • Otherwise Entire Bore
 80.487 - 80.513 mm 3.1687 - 3.1698 in
  • Crankshaft Bore Diameter, Primary Target Gage Diameter Measured at "A"
 56.000-56.014 mm 2.2047-2.2053 in
  • Crankshaft Bore Diameter, Other Target Gage Diameter Measured At "B" And "C"
 55.996-56.018 mm 2.2046-2.2054 in
  • Maximum Diameter A, B, C - Minimum Diameter A, B, C
 </= 0.012 mm </= 0.00047 in
  • Crankshaft Bore Diameter Cylinder Block
 56.000-56.014 mm 2.2047-2.2053 in
Crankshaft
  • Main Journal Diameter Crankshaft (Standard Size)
 51.983-51.999 mm 2.0466-2.0472 in
  • Main Journal Diameter Crankshaft (Undersize 0.5 WHITE)
 51.483-51.499 mm 2.0269-2.0275 in
  • Connecting Rod Journal Diameter Crankshaft (Standard Size)
 45.978-45.994 mm 1.8102-1.8108 in
  • Connecting Rod Journal Diameter Crankshaft (Undersize 0.5 WHITE)
 45.478-45.494 mm 1.7905-1.7911 in
  • Crankshaft Thrust Bearing Seat Width
 24.000-24.052 mm 0.9449-0.9469 in
  • Crankshaft Main Bearing Shell Thickness (Standard Size)
 1.989-1.995 mm 0.0783-0.0785 in
  • Crankshaft Main Bearing Shell Thickness (Undersize 0.5 YELLOW)
 2.239-2.245 mm 0.0882-0.0884 in
  • Crankshaft Thrust Bearing Thickness (Standard Size)
 1.989-1.995 mm 0.0783-0.0785 in
  • Crankshaft Thrust Bearing Thickness (Undersize 0.5 YELLOW)
 2.239-2.245 mm 0.0882-0.0884 in
  • Crankshaft Thrust Bearing Width (Standard Size)
 23.85-23.95 mm 0.9390-0.9429 in
  • Crankshaft Thrust Bearing Width (Undersize 0.5 YELLOW)
 24.25-24.35 mm 0.9547-0.9587 in
  • Crankshaft Main Bearing Clearance
 0.011-0.052 mm 0.00043-0.00205 in
  • Crankshaft Axial Clearance
 0.050-0.202 mm 0.00197-0.00795 in
Connecting Rod
  • Connecting Rod Length
 133.9 mm 5.2716 in
  • Crankshaft Bearing Bore Diameter Connecting Rod
 48.998-49.014 mm 1.9291-1.9297 in
  • Pin Bore Diameter Connecting Rod
 21.007-21.015 mm 0.8271-0.8274 in
  • Connecting Rod Bearing Shell Thickness (Standard Size)
 1.487-1.493 mm 0.0585-0.0588 in
  • Connecting Rod Bearing Shell Thickness (Undersize 0.5 WHITE)
 1.738-1.743 mm 0.0684-0.0686 in
  • Clearance Connecting Rod Bearing
 0.018-0.062 mm 0.00071-0.00244 in
  • Clearance Piston Pin in Connecting Rod
 0.012-0.023 mm 0.00047-0.00091 in
Piston
  • Piston Pin Diameter
 20.997-21.000 mm 0.8267-0.8268 in
  • Piston Pin Bore Diameter
 21.002-21.009 mm 0.8269-0.8271 in
  • Piston Skirt Diameter (Standard Size 00)
 80.456 - 80.470 mm 3.1686-3.1681 in
  • Piston Skirt Diameter (Over Size 0+0, 5)
 80.956 - 80.970 mm 3.1686-3.1877 in
  • Piston Groove Width Upper Piston Compression Ring
 1.265-1.275 mm 0.0498-0.0502 in
  • Piston Groove Width Lower Piston Compression Ring
 1.22-1.24 mm 0.0480-0.0488 in
  • Piston Groove Width Piston Oil Ring
 2.03-2.05 mm 0.0799-0.0807 in
  • Compression Height
 27.28-27.58 mm 1.074-1.086 in
  • Clearance Piston Pin Piston
 0.002-0.012 mm 0.000079-0.00047 in
Piston Compression Rings and Oil Ring
  • Upper Piston Compression Ring Thickness
 1.170-1.190 mm 0.0461-0.0469 in
  • Lower Piston Compression Ring Thickness
 1.170-1.195 mm 0.0461-0.0470 in
  • Piston Oil Ring Thickness
 1.850-1.990 mm 0.0728-0.0784 in
  • Upper Piston Compression Ring Gap
 0.20-0.35 mm 0.0079-0.0138 in
  • Lower Piston Compression Ring Gap
 0.40-0.50 mm 0.0155-0.0197 in
  • Piston Oil Ring Gap
 0.2-0.9 mm 0.0079-0.0354 in
  • Upper Piston Compression Ring Axial Clearance
 0.075-0.105 mm 0.00295-0.0041 in
  • Lower Piston Compression Ring Axial Clearance
 0.025-0.070 mm 0.00098-0.00276 in
  • Piston Oil Ring Axial Clearance
 0.060-0.200 mm 0.00236-0.00787 in
Camshaft
  • Camshaft Front Bearing Diameter
 27.938-27.962 mm 1.0999-1.1009 in
  • Camshaft Bearing Diameter
 23.938-23.962 mm 0.9424-0.9434 in
  • Camshaft Bearing Front Cap Diameter
 28.000-28.020 mm 1.1024-1.1032 in
  • Camshaft Bearing Cap Diameter
 24.000-24.020 mm 0.9449-0.9457 in
Cylinder Head
  • Surface Flatness - Block Deck - Longitude
 0.05 mm 0.00197 in
If the deck surface is out of specification, replace the cylinder head. Do not machine the cylinder head.
  • Surface Flatness - Block Deck - Transverse
 0.03 mm 0.00118 in
If the deck surface is out of specification, replace the cylinder head. Do not machine the cylinder head.
  • Valve Seat Width - Intake
 1.000-1.400 mm 0.0394-0.0551 in
  • Valve Seat Width - Exhaust
 1.550-1.950 mm 0.0610-0.0768 in
  • Valve Seat Angle
 90 degrees (+/-1 degrees)
  • Valve Seat Angle Adjustment - Upper
 50 degrees (+/-4 degrees)
  • Valve Seat Angle Adjustment - Lower
 120 degrees (+/-4 degrees)
  • Valve Guide Bore Standard Size
 5.000-5.020 mm 0.1969-0.1976 in
  • Valve Guide Bore Oversize
 5.075-5.095 mm 0.1998-0.2006 in
  • Valve Guide Assembly Height
 12.75-13.25 mm 0.5020-0.5216 in
  • Valve Guide Length
 38.2-38.8 mm 1.504-1.528 in
Valve System
  • Intake Valve Disk Diameter
 30.55-30.75 mm 1.2028 - 1.2106 in
  • Exhaust Valve Disk Diameter
 26.9-27.1 mm 1.0591 - 1.0669 mm
  • Intake Valve Stem Diameter (Standard)
 4.965-4.981 mm 0.1955-0.1961 in
  • Exhaust Valve Stem Diameter (Standard)
 4.939-4.955 mm 0.1944-0.1951 in
  • Intake Valve Stem Diameter (Oversize 0.075)
 5.040-5.056 mm 0.1984-0.1991 in
  • Exhaust Valve Stem Diameter (Oversize 0.075)
 5.015-5.031 mm 0.1974-0.1981 in
  • Intake Valve Length (Standard)
 106.030-106.550 mm 4.1743 - 4.1948 in
  • Exhaust Valve Length (Standard)
 103.780-104.300 mm 4.0858-4.1062 in
  • Intake Valve Length (Oversize 0.075)
 105.630-106.150 mm 4.1586-4.1791 in
  • Exhaust Valve Length (Oversize 0.075)
 103.380-103.900 mm 4.0701-4.0905 in
  • Valve Spring Length - Unstressed
 42.0 mm 1.6535 in
  • Valve Spring Length - 220 N +22 N /-11 N
 37.0 mm 1.4567 in
  • Valve Spring Length - 557 N (REFERENCE)
 27.0 mm 1.0630 in
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