GM Service Manual Online
For 1990-2009 cars only

Application

Specifications

Metric

English

General Data

  • Engine Type

L-4

  • Regular Production Option (RPO) Code LN2 VIN Code 4
  • Displacement

2.2 L

134 CID

  • Bore

89 mm

3.5 in

  • Stroke

88 mm

3.46 in

  • Compression Ratio

9:1

  • Firing Order

1-3-4-2

  • Oil Pressure @ 65°C (150°F)

348 kPa

56 psi @ 3000 RPM

Camshaft

  • Journal Clearance

0.013-0.089 mm

0.0005-0.0035 in

  • Journal Diameter

47.453-47.478 mm

1.868-1.869 in

  • Lobe Lift - Inlet and Exhaust

6.685 mm

0.263 in

Crankshaft

  • Crankshaft End Play

0.0511-0.1780 mm

0.002-0.007 in

  • Main Bearing Clearance

0.015-0.047 mm

0.0006-0.0019 in

  • Main Journal Diameter

63.360-63.384 mm

2.4945-2.4954 in

  • Main Journal Out Of Round

0.005 mm

0.00019 in

  • Main Journal Taper

0.005 mm

0.00019 in

  • Rod Bearing Journal Clearance

0.025-0.079 mm

0.00098-0.0031 in

  • Rod Bearing Journal Diameter

50.758-50.784 mm

1.9983-1.9994 in

  • Rod Bearing Journal Out Of Round

0.005 mm

0.00019 in

  • Rod Bearing Journal Taper

0.005 mm

0.00019 in

  • Rod Side Clearance

0.10-0.38 mm

0.0039-0.0149 in

Cylinder Bore

  • Diameter

88.991-89.009 mm

3.5036-3.5043 in

  • Lubrication System
  • Oil Capacity Without Filter Change

3.473 L

3.5 qts

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

348 kPa

56 psi min.

  • Out Of Round Maximum

0.013 mm

0.0005 in

  • Taper -- Thrust Side Maximum

0.013 mm

0.0005 in

  • 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

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

Oil Pump

  • End Clearance

0.05-0.18 mm

0.002-0.007 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 Lash

0.094-0.195 mm

0.004-0.008 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 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 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

  • Oil Pump Drive to Driven Gear Backlash

0.23-0.51 mm

0.0091-0.0201 in

  • Outer Gerotor Thickness

17.087-17.099 mm

0.6727-0.6731 in

  • Valve to Bore Clearance

0.038-0.089 mm

0.0015-0.0035 in

Piston

  • Clearance - 42.7 mm from top of piston
  • Factory Specification

0.015-0.047 mm

0.00059-0.00185 in

  • Service Specification

0.055-0.087 mm

0.0022-0.0034 in

Piston Pin

  • Clearance In Piston

0.0079-0.0155 mm

0.00031-0.00061 in

  • Diameter

20.3225-20.3251 mm

0.8001-0.8002 in

  • Interference Fit In Rod

0.034-0.064 mm

0.0013-0.0025 in

Piston Ring Compression

  • Second Groove Side Clearance

0.04-0.08 mm

0.0016-0.0031 in

  • Second Ring Gap

0.30-0.45 mm

0.0012-0.0177 in

  • Top Groove Side Clearance

0.05-0.09 mm

0.0020-0.0035 in

  • Top Ring Gap

0.25-0.50 mm

0.010-0.020 in

Piston Ring Oil

  • Gap

0.25-0.76 mm

0.010-0.030 in

  • Groove Clearance

0.013-0.220 mm

0.0005-0.0087 in

Valve System

  • Rocker Arm Ratio

--

1.6

  • Valve Face Angle

--

45°

  • Valve Face Runout

0.038 mm

0.0014 in

  • Valve Guide Inside Diameter

7.000-7.020 mm

0.275-0.276 in

  • Valve Head Diameter - Exhaust

44 mm

1.73 in

  • Valve Head Diameter - Inlet

37 mm

1.45 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 Overall Length - Exhaust

127 mm

5.00 in

  • Valve Overall Length - Inlet

134.23 mm

5.28 in

  • Valve Seat Width - Exhaust

3.51 mm

0.138 in

  • Valve Seat Width - Inlet

2.80 mm

0.110 in

  • Valve Springs Free Length

48.7 mm

1.91 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

  • Valve Stem to Guide Clearance - Exhaust

0.035-0.076 mm

0.0014-0.0029 in

  • Valve Stem to Guide Clearance - Inlet

0.020-0.053 mm

0.0007-0.0020 in

  • Valve Tip to Retainer Groove Centerline

4.97-5.46 mm

0.195-0.214 in