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Home >> Pontiac >> 2009 >> G3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Engine Mechanical - 1.6L (LDE, LLU, And LXV) Or 1.8L (2H0) - Specifications) >> Specifications >> Engine Mechanical Specifications

Engine Mechanical Specifications

WARNING: This page is about a different car, the 2010 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
Metric English
Camshaft
  • Lift - Intake
 46.3 mm 1.8228 in
  • Lift - Exhaust
 45.3 mm 1.7835 in
  • Bending
 0.04 mm 0.0016 in
  • Journal Outer Diameter : No. 1
 27.939-27.960 mm 1.1000-1.1008 in
  • Journal Outer Diameter : No. 2
 27.939-27.960 mm 1.1000-1.1008 in
  • Journal Outer Diameter : No. 3
 27.939-27.960 mm 1.1000-1.1008 in
  • Journal Outer Diameter : No. 4
 27.939-27.960 mm 1.1000-1.1008 in
  • Journal Outer Diameter : No. 5
 27.939-27.960 mm 1.1000-1.1008 in
  • Trust Clearance (End Play)
 0.13-0.215 mm 0.0051-0.0085 in
Connecting Rod
  • Thrust Clearance - End Play
 0.07-0.242 mm 0.0028-0.0095 in
  • Width
 21.838-21.890 mm 0.8598-0.8618 in
  • Diameter - Piston Pin
 19.012-19.020 mm 0.7485-0.7488 in
  • Diameter - Crankshaft
 45.999-46.013 mm 1.8110-1.8115 in
  • Bending
 0.04 mm 0.0016 in
  • Twist
 0.016 mm 0.0006 in
  • Journal Bearing Oil Clearance
 0.018-0.064 mm 0.0007-0.0025 in
Crankshaft
  • Thrust Clearance - End Play
 0.1-0.202 mm 0.0039-0.0080 in
  • Journal Outer Diameter
 Main: 54.980-54.997 mm
Pin: 42.971-42.987 mm		 Main: 2.1646-2.1652 in
Pin: 1.6918-1.6924 in
  • Journal Bearing Oil Clearance
 Main: 0.0155-0.047 mm
Pin: 0.019-0.067 mm		 Main: 0.0006-0.0019 in
Pin: 0.0007-0.0026 in
  • Bending
 0.03 mm 0.0012 in
Cylinder Block
  • Diameter
 79 mm 3.1102 in
  • Deck Surface Flatness
 0.025/65 mm 0.0010/2.5591 in
  • Cylindricity
 0.0065 mm 0.0003 in
Cylinder Head
  • Journal Inner Diameter: No. 1
 28.000-28.021 mm 1.1024-1.1032 in
  • Journal Inner Diameter: No. 2
 28.000-28.021 mm 1.1024-1.1032 in
  • Journal Inner Diameter: No. 3
 28.000-28.021 mm 1.1024-1.1032 in
  • Journal Inner Diameter: No. 4
 28.000-28.021 mm 1.1024-1.1032 in
  • Journal Inner Diameter: No. 5
 28.000-28.021 mm 1.1024-1.1032 in
  • Journal Clearance
 0.04-0.082 mm 0.0016-0.0032 in
  • Height
 135.55 mm 5.3366 in
  • Surface Flatness Deformation Cover/Block
 0.02/50-0.025/150 mm 0.0008/1.9685-0.0010/5.9055 in
  • Manifolds Surface Deformation
 0.05 mm 0.002 in
Valve
  • Deviation
 0.3 mm 0.0118 in
  • Seat Inner Diameter - Intake
 30.7 mm 1.2087 in
  • Seat Inner Diameter - Exhaust
 27.2 mm 1.0709 in
  • Face Diameter - Intake
 30.92-31.12 mm 1.2173-1.2252 in
  • Face Diameter - Exhaust
 27.4-27.6 mm 1.0787-1.0866 in
  • Guide Inner Diameter - Intake
 5.0-5.016 mm 0.1969-0.1975 in
  • Guide Inner Diameter - Exhaust
 5.0-5.016 mm 0.1969-0.1975 in
  • Valve Stem Outer Diameter - Intake
 4.965-4.980 mm 0.1955-0.1961 in
  • Valve Stem Outer Diameter - Exhaust
 4.950-4.965 mm 0.1945-0.1955 in
  • Valve Length - Intake
 117.10-117.30 mm 4.6102-4.6181 in
  • Valve Length - Exhaust
 116.16-116.36 mm 4.5732-4.5811 in
  • Valve Spring - Free Length
 41.6 mm 1.6378 in
  • Valve Spring - Straightness
 1.5° 1.5°
  • Clearance - Intake
 0.21-0.29 mm (Nominal 0.25 mm) 0.0083-0.0114 in (Nominal 0.0098 in)
  • Clearance - Exhaust
 0.27-0.35 mm (Nominal 0.25 mm) 0.0106-0.0138 in (Nominal 0.0098 in)
Oil Pump Axial Clearance 0.02-0.058 mm 0.0008-0.0023 in
Piston
  • Piston
 79 mm 3.1102 in
  • Diameter
 0.030-0.060 mm 0.0012-0.0024 in
Piston Ring
  • Groove Clearance - Top Ring
 0.04-0.08 mm 0.0016-0.0031 in
  • Groove Clearance - 2nd Ring
 0.03-0.07 mm 0.0012-0.0028 in
  • Groove Clearance - Oil Ring
 0.06-0.15 mm 0.0024-0.0059 in
  • End Gap - Top Ring
 0.15-0.30 mm 0.0059-0.0118 in
  • End Gap - 2nd Ring
 0.30-0.50 mm 0.0118-0.0197 in
  • End Gap - Oil Ring
 0.20-0.70 mm 0.0079-0.0276 in
Piston Pin
  • Diameter
 19.000-19.005 mm 0.7480-0.7482 in
  • Length
 49.84 mm 1.9268 in
  • Clearance
 0.007-0.020 mm 0.0003-0.0008 in
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