GM Service Manual Online
For 1990-2009 cars only

Application

Metric

English

General Data

  • Engine Type

Inline 4 Cylinder

  • Displacement

2.4 Liter (146 CID)

Liter (VIN)

T

RPO

LD9

Bore

90 mm

3.54 in

Stroke

94 mm

3.70 in

Compression Ratio

9.5 to 1

Firing Order

1-3-4-2

Lubrication System

Oil Capacity Without Filter Change

3-3/4 Liters

4 qts

When Changing the Oil Filter, Up to an Additional 0.946 Liter or One Quart of Oil may be Needed. Filter Type or Equivalent

PF-44

Oil Pressure @ 3000 RPM

207 kPa

30 psi min.

Oil Pressure @ 900 RPM

69 kPa

10  psi min.

Cylinder Block

Cylinder Bore Diameter

89.994-90.006 mm

3.5110-3.5435 in

Out Of Round Maximum

0.010 mm

0.0004 in

Taper Maximum. Top to 106 mm (4.173 in) Down

0.008 mm

0.0003 in

Runout Rear Face of Block to the Crankshaft. Center Line Maximum

0.07 mm

0.002 in

Cylinder Head

Cylinder Head Flatness Maximum material that can be removed

0.076 mm

0.003 in

Do Not Resurface if the Measurement is Less Than

0.076 mm

0.003 in

Resurface

0.076-0.25 mm

0.003-0.010 in

Replace the Head if the Measurement is More Than

0.25 mm

0.010 in

Volume

58.9 cc-60.1 cc

1.5825 oz-1.6501 oz

Runout

0.05 mm

0.00196 in

Valve Seat Diameter Intake

34.066 mm

1.3412 in

Exhaust

27.048 mm

1.1436 in

Intake Valve Guide I.D.

5.921-5.941 mm

0.2331-0.2339 in

Exhaust Valve Guide I.D.

5.908-5.928 mm

0.2326-0.2334 in

Valve Stem to the Valve Guide Clearance Intake

0.024-0.070 mm

0.000986-0.00275 in

Exhaust

0.037-0.082 mm

0.00150-0.00320 in

Piston

Clearance in the Bore

0.019-0.051 mm

0.0007-0.0020 in

Compression Height

29.27-30.03 mm

1.180-1.182 in

Piston Diameter at 70°F (21°C)

89.957-89.973 mm

3.6203-3.6210 in

Piston Pin Bore I.D. at 70°F (21°C)

22.002-22.006 mm

0.8662-0.8664 in

Weight Less Pin and Rings

345 g +/- 6 g

12.075 oz +/- 0.1764 oz

Ring Groove Width, Top Compression

1.23-1.25 mm

0.048-0.049 in

Ring Groove Width, Second Compression

1.52-1.54 mm

0.0598-0.0606 in

Ring Groove Width, Oil

3.01-3.03 mm

0.1185-0.1193 in

Piston Rings

Compression Ring Width, Both

1.170-1.190 mm

0.0461-0.0469 in

Compression Ring Gap, Top

0.15-0.30 mm

0.006-0.012 in

Compression Ring Gap, 2nd Ring

0.30-0.41 mm

0.0119-0.0161 in

Oil Rails

0.025-0.65 mm

0.0098-0.0256 in

Compression Ring Side Clearance in the Groove, Top Ring

0.040-0.080 mm

0.0016-0.0031 in

Second Ring

0.030-0.070 mm

0.0012-0.0028 in

Oil Ring Width

0.497-0.523 mm

0.01957-0.02060 in

Oil Ring Gap

0.399-1.40 mm

0.0157-0.0551 in

Piston Pin

Diameter

21.995-22.000 mm

0.8659-0.8661 in

Pin to Piston Clearance Loose @ 21°C (70°F)

0.002-0.011 mm

0.00007-0.00043 in

Pin to Rod Clearance

0.007-0.032 mm

0.00027-0.0013 in

Weight

109 g

4.0207 oz

End Play on Floating Pin

0.0-0.6 mm

0.00-0.0236 in

Crankshaft and Connecting Rod

Main Bearing Journal Diameter

60.031-60.010 mm

2.3634-2.3626 in

Width, Main Thrust Bearing Journal No. 3, Including Fillets

27.837-27.913 mm

1.0959-1.0989 in

Out of Round Maximum

0.005 mm

0.0002 in

Straightness, Taper

0.007 mm

0.0003 in

Clearance

0.013-0.075 mm

0.0005-0.0030 in

Main Bearing Inside Diameter

60.033-60.071 mm

2.3635-2.3650 in

Crankshaft End Play

0.087-0.243 mm

0.0034-0.0095 in

Rod Bearing Journal Diameter

47.975-48.00 mm

1.8887-1.8897 in

Rod Bearing Inside Diameter

48.013-48.028 mm

1.8903-1.8909 in

Out of Round

0.005 mm

0.0002 in

Straightness, Taper

0.005 mm

0.0002 in

Clearance

0.013-0.053 mm

0.0005-0.0020 in

Rod Side Clearance

0.150-0.450 mm

0.0059-0.0177 in

Width

23.270-23.420 mm

0.9161-0.9220 in

Runout of Crankshaft at the Flywheel Flange Maximum

0.03 mm

0.001 in

Runout of Crankshaft Maximum

0.025 mm

0.00098 in

Supported on Front and Rear Journals Clearance to the Crankshaft Position Sensor

0.77-1.77 mm

0.0303-0.0697 in

Connecting Rod I.D. at the Small End

22.007-22.027 mm

0.8664-0.8672 in

Connecting Rod I.D. at the Large End

51.167-51.193 mm

2.0144-2.0154 in

Connecting Rod Width at the Small End

23.170-23.220 mm

0.9122-0.9142 in

Connecting Rod Width at the Large End

23.170-23.220 mm

0.9122-0.9142 in

Connecting Rod Width at the Large End in the Same Engine, All Within

2 g

0.0705 oz

Connecting Rod Clearance to Piston P

0.007-0.031 mm

0.00027-0.0122 in

Rod Assembly Center to Center Distance

142.450-142.550 mm

5.6125-5.6164 in

Flywheel Fit

0.000-0.013 mm loose

0.0000-0.0005 in

Flange Runout Maximum

0.03 mm

0.00120 in

Stroke of Crank

94 mm

3.70 in

A.D. of Seal Diameter on Crank

81.96-82.04 mm

3.2210-3.2299 in

Runout of Seal Surface

0.05 mm max

0.002 in

Balancer Hub I.D. to Crank Snout O.D. Crank

33.00-33.03 mm

1.2992-1.3004 in

I.D. Balancer

33.00-33.03 mm

1.2992-1.3004 in

Timing Gear Fit to Crankshaft Snout

33.03-33.06 mm

1.3004-1.3016 in

Camshaft

Lobe Lift Intake

9.0 mm

0.354 in

Exhaust

8.8 mm

0.346 in

Journal Diameter No. 1

39.93-39.95 mm

1.5720-1.5728 in

Journal Diameter No. 2-5

34.93-34.95 mm

1.3751-1.3760 in

Camshaft Bearing I.D. No. 1

40.00-40.040 mm

1.5748-1.5764 in

Camshaft Bearing I.D. No. 2-5

35.00-35.040 mm

1.3780-1.3795 in

Journal Clearance

0.050-0.110 mm

0.0019-0.0043 in

End Play Clearance

0.025-0.225 mm

0.0009-0.0088 in

Lobe Taper

0.046-0.083 mm

0.0018-0.0033 in

On diameter in

14.0 mm

0.5512 in

Camshaft Housing

Lifter Bore I.D.

33.989-34.019 mm

1.3381-1.3393 in

Lifter O.D.

33.959-33.975 mm

1.3369-1.3375 in

Lifter to Bore Clearance

0.016-0.058 mm

0.0006-0.0023 in

Lip Seal Bore I.D.

49.975-50.025 mm

1.9675-1.9695 in

Lip Seal O.D.

49.975-50.025 mm

1.9675-1.9695 in

Cam Carrier Flatness

0.07 mm

0.0028 in

Bottom Maximum Within 100.0 mm (3.937 in)

0.025 mm

0.001 in

Valve Lifter

Clearance in Bore

0.016-0.058 mm

0.0006-0.0023 in

Valves

Valve Installed Height, All

24.86-25.62 mm

0.9787-1.0024 in

Valve Tip Above Spring Retainer, All

0.602-0.820 mm

0.0237-0.0323 in

Intake Valves, Valve Face Angle

46 degrees

Valve Seat Angle

45 degrees

Head Diameter

35.5 +/- 0.03 mm

1.3987 +/- 0.0011 in

Stem Diameter

5.921-5.941 mm

0.2331-0.2339 in

Overall Length

107.290 mm

4.2272 in

Stem To Guide Clearance

0.025-0.069 mm

0.0009-0.0025 in

Valve Seat Width

0.94-1.90 mm

0.0370-0.0748 in

Valve Seat Margin Minimum

0.25 mm

0.0098 in

Valve Face Runout

0.038 mm

0.0015 in

Valve Tip to the Groove Centerline

3.420 mm

0.1346 in

Exhaust Valves, Valve Face Angle

45.5 degrees

Valve Seat Angle

45 degrees

Head Diameter

28.870-29.130 mm

1.1366-1.1469 in

Stem Diameter

5.908-5.928 mm

0.2326-0.2334 in

Overall Length

108.17 mm

4.2586 in

Stem to Guide Clearance

0.038-0.082 mm

0.0016-0.0032 in

Valve Seat Width

0.094-1.90 mm

0.0037-0.0748 in

Valve Seat Margin Minimum

0.25 mm

0.0098 in

Valve Face Runout

0.038 mm

0.0015 in

Valve Tip to Groove Centerline

3.420 mm

0.1346 in

Valve Springs

Valve Spring Pressure Load @ 36.5 mm (1.4370), Closed

223-247 N

50-55 lb

Load @ 26.98 mm (1.0622 in), Open

544-596 N

122-133 lb

Balance Shafts

Housing Flatness Maximum

0.076 mm

0.0030 in

Bore Roundness

0.025 mm

0.0009 in

Bearing Thickness

1.500-1.508 mm

0.0590-0.0593 in

Bearing I.D.

30.019-30.061 mm

1.1819-1.1835 in

Housing Bore

33.025-33.050 mm

1.3001-1.1801 in

Shaft Journal O.D.

29.950-29.975 mm

1.1791-1.1801 in

Journal Taper (Intentional Towards Counterweight

0.000-0.010 mm

0.000-0.0004 in

Journal Roundness Maximum

0.005 mm

0.0002 in

Bearing Clearance

0.044-0.111 mm

0.0017-0.0044 in

Gear Diameter over 2.5 mm pins

61.050-61.145 mm

2.4035-2.4073 in

Gear Backlash

0.008-0.086 mm

0.0003-0.0034 in

Chain Slack, With 6 lb of pressure applied to the guide

1.0 mm

0.040 in

Shaft Groove Width

3.23-3.40 mm

0.127-0.134 in

Thrust Plate Thickness

2.945-3.045 mm

0.1159-0.1199 in

Endplay

0.185-0.455 mm

0.0073-0.0179 in

Oil Pump

Gerotor Pocket Depth

17.11-17.16 mm

0.6736-0.6756 in

Diameter

54.033-54.083 mm

2.1273-2.1292 in

Inner Gerotor Tip Clearance Maximum

0.15 mm

0.0059 in

Outer Gerotor Diameter Clearance

0.033-0.133 mm

0.0013-0.0052 in

Outer Gerotor Thickness

17.087-17.099 mm

0.6727-0.6731 in

Oil Pump Drive to the Driven Gear Backlash

0.23-0.51 mm

0.0091-0.0201 in