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Home >> Saturn >> 2008 >> Sky Red Line, Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 2.0L >> Specifications >> Engine Mechanical Specifications

Engine Mechanical Specifications

Engine Mechanical Specifications

Application Specification
Metric English
General Data
  • Engine Type
Inline 4 Cylinder
  • Displacement
2.0 L 122 CID
  • RPO
LNF
  • Liter (VIN)
M
  • Bore
85.992-86.008 mm 3.3880-3.3887 in
  • Stroke
86 mm 3.388 in
  • Compression Ratio
9.2:1
Balance Shaft
  • Bearing Clearance
0.030-0.060 mm 0.0012-0.0024 in
  • Bearing Diameter - Inside - Carrier
20.050-20.063 mm 0.7894-0.7899 in
  • Bearing Diameter - Outside - Carrier
41.975-41.995 mm 1.6526-1.6534 in
  • Bearing Journal Diameter
20.000-20.020 mm 0.7874-0.7882 in
  • Bushing Clearance
0.033-0.102 mm 0.0013-0.0040 in
  • Bushing Diameter - Inside
36.775-36.835 mm 1.4489-1.4512 in
  • Bushing Journal Diameter
36.723-36.743 mm 1.4458-1.4466 in
  • End Play
0.050-0.300 mm 0.0020-0.0118 in
Block
  • Balance Shaft Bearing Bore Diameter - Carrier
42.000-42.016 mm 1.6535-1.6542 in
  • Balance Shaft Bushing Bore Diameter
40.763-40.776 mm 1.6048-1.6054 in
  • Crankshaft Main Bearing Bore Diameter
64.068-64.082 mm 2.5224-2.5229 in
  • Cylinder Bore Diameter
85.992-86.008 mm 3.3880-3.3887 in
  • Cylinder Bore Out-of-Round - Maximum
0.010 mm 0.0004 in
  • Cylinder Bore Taper - Maximum
0.010 mm 0.0004 in
  • Cylinder Head Deck Surface Flatness - Longitude
0.050 mm 0.002 in
  • Cylinder Head Deck Surface Flatness - Overall
0.10 mm 0.0039 in
  • Cylinder Head Deck Surface Flatness - Transverse
0.030 mm 0.0012 in
Camshaft
  • Camshaft End Play
0.040-0.307 mm 0.0016-0.0121 in
  • Camshaft Journal Diameter
26.935-26.960 mm 1.0604-1.0614 in
  • Camshaft Journal Diameter - Front
34.960-34.935 mm 1.3774-1.3764 in
  • Camshaft Thrust Surface - with Camshaft Actuator Installed
30.020-30.175 mm 1.1828-1.1889 in
Connecting Rod
  • Connecting Rod Bearing Clearance
0.029-0.073 mm 0.0011-0.0029 in
  • Connecting Rod Bore Diameter - Bearing End
52.118-52.134 mm 2.0519-2.05252 in
  • Connecting Rod Bore Diameter - Pin End
20.007-20.021 mm 0.7877-0.7882 in
  • Connecting Rod Side Clearance
0.070-0.370 mm 0.0028-0.0146 in
  • Connecting Rod Straightness - Bend - Maximum
0.021 mm 0.0083 in
  • Connecting Rod Straightness - Twist - Maximum
0.04 mm 0.0157 in
Crankshaft
  • Connecting Rod Journal Diameter
49.000-49.014 mm 1.9291-1.9297 in
  • Crankshaft End Play
0.050-0.380 mm 0.0012-0.0150 in
  • Crankshaft Main Bearing Clearance
0.031-0.067 mm 0.0012-0.0026 in
  • Crankshaft Main Journal Diameter
55.994-56.008 mm 2.2045-2.2050 in
Cylinder Head
  • Deck Straightness - in 150 mm (5.91 in)
0.05 mm 0.0019 in
  • Deck Straightness - in 25 mm (0.985 in)
0.025 mm 0.0009 in
  • Between Head Bolt Holes
0.030 mm 0.0011 in
  • Surface Flatness - Block Deck - Longitude
0.050 mm 0.002 in
  • Surface Flatness - Block Deck - Overall
0.1 mm 0.004 in
  • Surface Flatness - Block Deck - Transverse
0.030 mm 0.0012 in
  • Valve Guide Bore - Exhaust
6.000-6.012 mm 0.2362-0.2367 in
  • Valve Guide Bore - Intake
6.000-6.012 mm 0.2362-0.2367 in
  • Valve Lifter Bore Diameter - Stationary Lash Adjusters
12.013-12.037 mm 0.4730-0.4739 in
Lubrication System
  • Oil Pressure - Minimum - @1000 RPM
344.75-551.60 kPa 50-80 psi
  • Oil Capacity
4.8L 5.0 quarts
Piston Rings
  • Piston Ring End Gap - First Compression Ring
0.20-0.35 mm 0.0078-0.0138 in
  • Piston Ring End Gap - Second Compression Ring
0.35-0.55 mm 0.014-0.022 in
  • Piston Ring End Gap - Oil Control Ring - Rails
0.25-0.75 mm 0.010-0.030 in
  • Piston Ring to Groove Clearance - First Compression Ring
0.040-0.080 mm 0.0016-0.0031 in
  • Piston Ring to Groove Clearance - Second Compression Ring
0.003-0.068 mm 0.0001-0.0027 in
  • Piston Ring to Groove Clearance - Oil Control Ring
0.024-0.176 mm 0.0009-0.0069 in
  • Piston Ring Thickness - First Compression Ring
1.170-1.190 mm 0.0461-0.0469 in
  • Piston Ring Thickness - Second Compression Ring
1.471-1.490 mm 0.0579-0.0587 in
  • Piston Ring Thickness - Oil Control Ring - Rail - Maximum
0.473 mm 0.0186 in
  • Piston Ring Thickness - Oil Control Ring - Spacer
0.96-1.04 mm 0.0378-0.0409 in
Pistons and Pins
  • Pin - Piston Pin Clearance to Connecting Rod Bore
0.009-0.023 mm 0.0004-0.0009 in
  • Pin - Piston Pin Clearance to Piston Pin Bore
0.005-0.015 mm 0.0002-0.0006 in
  • Pin - Piston Pin Diameter
22.995-23.000 mm 0.9053-0.9055 in
  • Pin - Piston Pin End Play
0.320-1.278 mm 0.0126-0.0503 in
  • Piston - Piston Diameter - @14.5 mm up
85.967-85.982 mm 3.3845-3.3851 in
  • Piston - Piston Pin Bore Diameter
23.005-23.010 mm 0.9057-0.9059 in
  • Piston - Piston Ring Groove Width - Oil Control
2.001-2.003 mm 0.0788-0.0789 in
  • Piston - Piston Ring Groove Width - Second
1.52-1.54 mm 0.0598-0.0606 in
  • Piston - Piston Ring Groove Width - Top
1.23-1.25 mm 0.0484-0.0492 in
  • Piston - Piston To Bore Clearance
0.010-0.041 mm 0.0004-0.0016 in
Valve System
  • Valves - Valve Face Runout - Maximum
0.04 mm 0.0016 in
  • Valves - Valve Seat Runout - Maximum
0.05 mm 0.0020 in
  • Valves - Valve Stem Diameter - Exhaust
5.935-5.950 mm 0.2337-0.2343 in
  • Valves - Valve Stem Diameter - Intake
5.955-5.970 mm 0.2344-0.2355 in
  • Valves - Valve Stem to Guide Clearance - Exhaust
0.050-0.077 mm 0.0020-0.0026 in
  • Valves - Valve Stem to Guide Clearance - Intake
0.030-0.057 mm 0.0012-0.0022 in
  • Valve Lifters - Valve Lifter Diameter - Stationary Lash Adjuster
11.986-12.000 mm 0.0005-0.0020 in
  • Valve Lifters - Valve Lifter-to-Bore Clearance - Stationary Lash Adjuster
0.013-0.051 mm 3.2210-3.2299 in
  • Valve Springs - Valve Spring Load - Open - @22.5 mm
525.0-575.0 N. - Eng Spec.
  • Valve Springs - Valve Spring Load - Closed - @32.5 mm
245.0-271.0 N. - Eng Spec.