GM Service Manual Online
For 1990-2009 cars only

Application

Specifications

Metric

English

General Data

  • Engine Type

--

L-4

  • Displacement

--

2.2L (134 CID)

  • RPO (Engine VIN Code)

--

LN2 (4)

  • Bore

89 mm

3.5 in

  • Stroke

88 mm

3.46 in

  • Compression Ratio

--

8.85:1

  • Firing Order

--

1-3-4-2

  • Oil Pressure @ 65°C (150°F)

348 kpa

56 psi @ 3000 RPM

Cylinder Bore

  • Diameter

88.991-89.009 mm

3.5036-3.5043 in

  • Out Of Round Maximum

0.013 mm

0.0005 in

  • Taper -- Thrust Side Maximum

0.013 mm

0.0005 in

Cylinder Head

Cylinder Head Deck Face Overall Maximum Flatness

0.08 mm

0.003 in

Cylinder Head Deck Face Maximum Flatness within any 150 mm (5.92 in) length

0.05 mm

0.002 in

Cylinder Head Deck Face Maximum Flatness within 25 mm (0.984 in) length

0.025 mm

0.001 in

  • Lubrication System
  • Oil Capacity Without Filter Change

3.473 L

3.5 qts

  • When Changing the Oil Filter, Up to an Additional 0.473 Liter or One Half Quart of Oil May Be Needed. Filter Type or Equivalent

PF-47

  • Oil Pressure (3000 RPM @ 65°C (150°F)

348 kPa

56 psi min.

Piston

  • Clearance

0.015-0.047 mm

0.0006-0.0018 in

Piston Ring Compression

  • Top Groove Side Clearance

0.05-0.027 mm

0.0019-0.0011 in

  • Second Groove Side Clearance

0.05-0.027 mm

0.0019-0.0011 in

  • Top Ring Gap

0.25-0.50 mm

0.010-0.020 in

  • Second RIng Gap

0.25-0.50 mm

0.010-0.020 in

Piston Ring Oil

  • Groove Clearance

0.05-0.021 mm

0.0019-0.0082 in

  • Gap

0.25-1.27 mm

0.010-0.050 in

Piston Pin

  • Diameter

20.320-20.325 mm

0.8000-0.8002 in

  • Clearance In Piston

0.008-0.0016 mm

0.0003-0.0006 in

  • Interference Fit In Rod

0.025-0.045 mm

0.00098-0.0017 in

Oil Pump

  • Outer Gerotor Thickness

17.087-17.099 mm

0.6727-0.6731 in

  • Oil Pump Drive to Driven Gear Backlash

0.23-0.51 mm

0.0091-0.0201 in

  • Valve to Bore Clearance

0.038-0.089 mm

0.0015-0.0035 in

  • Gear Lash

0.094-0.195 mm

0.004-0.008 in

  • Gear Pocket Depth

30.36-30.44 mm

1.195-1.198 in

  • Gear Pocket Diameter

38.18-38.25 mm

1.503-1.506 in

  • Gear Length (Drive Gear)

30.45-30.48 mm

1.199-1.20 in

  • Gear Length (Idler)

30.45-30.48 mm

1.199-1.20 in

  • Gear Diameter (Drive Gear)

38.05-38.10 mm

1.498-1.50 in

  • Gear Diameter (Idler)

38.05-38.10 mm

1.498-1.5 in

  • Gear Side Clearance (Drive Gear)

0.038-0.102 mm

0.001-0.004 in

  • Gear Side Clearance (Idler)

0.038-0.102 mm

0.001-0.004 in

  • End Clearance

0.05-0.18 mm

0.002-0.007 in

Crankshaft

  • Main Journal Diameter

63.360-63.384 mm

2.4945-2.4954 in

  • Main Journal Taper

0.005 mm

0.00019 in

  • Main Journal Out Of Round

0.005 mm

0.00019 in

  • Main Bearing Clearance

0.015-0.047 mm

0.0006-0.0019 in

  • Crankshaft End Play

0.0511-0.1780 mm

0.002-0.007 in

  • Rod Bearing Journal Diameter

50.758-50.784 mm

1.9983-1.9994 in

  • Rod Bearing Journal Taper

0.005 mm

0.00019 in

  • Rod Bearing Journal Out Of Round

0.005 mm

0.00019 in

  • Rod Bearing Journal Clearance

0.025-0.079 mm

0.00098-0.0031 in

  • Rod Side Clearance

0.10-0.38 mm

0.0039-0.0149 in

Camshaft

  • Lobe Lift (Inlet and Exhaust)

6.685 mm

0.263 in

  • Journal Diameter

47.453-47.478 mm

1.868-1.869 in

  • Journal Clearance

0.013-0.089 mm

0.0005-0.0035 in

Valve System

  • Rocker Arm Ratio

--

1.6

  • Valve Face Angle

--

45°

  • Valve Face Runout

0.038 mm

0.0014 in

  • Valve Margin (Exhaust)

2.13-1.87 mm

0.083-0.073 in

  • Valve Margin (Inlet)

1.49-1.23 mm

0.058-0.048 in

  • Valve Head Diameter (Inlet)

37 mm

1.45 in

  • Valve Head Diameter (Exhaust)

44 mm

1.73 in

  • Valve Overall Length (Inlet)

134.23 mm

5.28 in

  • Valve Overall Length (Exhaust)

127 mm

5.00 in

  • Valve Stem to Guide Clearance (Inlet)

0.020-0.053 mm

0.0007-0.0020 in

  • Valve Stem to Guide Clearance (Exhaust)

0.035-0.076 mm

0.0014-0.0029 in

  • Valve Guide Inside Diameter

7.000-7.020 mm

0.275-0.276 in

  • Valve Tip to Retainer Groove Centerline

4.97-5.46 mm

0.195-0.214 in

  • Valve Springs Free Length

48.7 mm

1.91 in

  • Valve Seat Width (Inlet)

2.80 mm

0.110 in

  • Valve Seat Width (Exhaust)

3.51 mm

0.138 in

  • Valve Springs Load (Closed)

361-324 N·m @ 40.64 mm

81.2-72.8 lb @ 1.600 in

  • Valve Springs Load (Open)

957-893 N·m @ 29.85 mm

215-201 lb @ 1.175 in