For 1990-2009 cars

Application | Specification
--- | ---
Metric | English
General Data

- Engine Type

90° V-6

- Displacement

231 cu in

- Liter (VIN)

3.8L (K), (1)

- RPO

L36, L67

- Bore

96.52 mm

3.8 in

- Stroke

86.36 mm

3.4 in

- Compression Ratio (VIN K)

9.4:1

- Compression Ratio (VIN 1)

8.5:1

- Firing Order

1-6-5-4-3-2

Lubrication System

- Oil Capacity with Oil Filter Change

4.25 L

4.5 qt

- Oil Capacity without Oil Filter Change

3.75 L

4 qt

- Oil Pressure @ Operating Temperature (1850 RPM) Using 10W-30 Oil

414 kPa

60 psi min

- Oil Filter Type

Throw Away Element and Can

- Gear Pocket Depth

11.71-11.75 mm

0.461-0.4625 in

- Gear Pocket Diameter

89.10-89.20 mm

3.508-3.512 in

- Inner Gear Tip Clearance

0.152 mm

0.006 in

- Outer Gear Diameter Clearance

0.203-0.381 mm

0.008-0.015 in

- End Clearance

0.025-0.089 mm

0.001-0.0035 in

- Valve-to-Bore Clearance

0.038-0.076 mm

0.0015-0.003 in

Type of Lubrication

- Main Bearings

Pressure

- Connecting Rods

Pressure

- Piston Pins

Splash

- Balance Shaft Bearing - Front

Splash

- Balance Shaft Bushing - Rear

Pressure

- Camshaft Bearings

Pressure

- Timing Chain

Splash

- Cylinder Walls

Splash

- Oil Pump Type

Gerotor

- Oil Pressure Sending Unit

Electrical

- Oil Intake

Stationary

- Oil Filter System

Full Flow

Cylinder Bore

- Diameter

96.5 mm

3.8 in

- Out-Of-Round Maximum

0.0254 mm

0.001 in

- Taper

0.0254 mm

0.001 in

Piston

- Clearance (39 mm from Top of Piston)

0.010-0.051 mm

0.0004-0.0020 in

Piston Ring Groove Depth

- Top Compression

4.019-4.146 mm

0.158-0.163 in

- 2nd Compression

4.214-4.341 mm

0.0166-0.171 in

- Oil Control

3.814-3.941 mm

0.150-0.155 in

Piston Ring End Gap

- Top Compression

0.305-0.559 mm

0.012-0.022 in

- 2nd Compression

0.762-1.016 mm

0.030-0.040 in

- Oil Control

0.254-0.762 mm

0.010-0.030 in

Piston Ring Side Clearance

- Top Compression

0.033-0.079 mm

0.0013-0.0031 in

- 2nd Compression

0.033-0.079 mm

0.0013-0.0031 in

- Oil Control

0.023-0.201 mm

0.0009-0.0079 in

Piston Ring Width

- Top Compression

1.176-1.197 mm

0.0463-0.0471

- 2nd Compression

1.476-1.497 mm

0.0581-0.0589

- Oil Control

1.854-2.007 mm

0.073-0.079

Piston Pin

- Diameter

21.9950-22.0000 mm

0.8659-0.8661 in

- Clearance in Piston

0.0020-0.0130 mm

0.00008-0.00051 in

- Fit-In-Rod (Clearance)

0.0066-0.0217 mm

0.0003-0.0009 in

Crankshaft

- Main Journal Diameter-All

63.470-63.495 mm

2.4988-2.4998 in

- Rod Journal Diameter-All

57.1170-57.1475 mm

2.2487-2.2499 in

- Main Journal Taper-Maximum

0.0076 mm

0.0003 in

- Rod Journal Taper-Maximum

0.0076 mm

0.0003 in

- Main Journal Out-of-Round-Maximum

0.0076 mm

0.0003 in

- Rod Journal Out-of-Round-Maximum

0.0076 mm

0.0003 in

- Main Bearing To Journal Clearance 1

0.0178-0.0406 mm

0.0007-0.0016 in

- Main Bearing To Journal Clearance 2 and 3

0.0254-0.0508 mm

0.0010-0.0020 in

- Main Bearing To Journal Clearance 4

0.0229-0.0457 mm

0.0009-0.0018 in

- Rod Bearing Clearance

0.0127-0.0660 mm

0.0005-0.0026 in

- Crankshaft End Play

0.076-0.276 mm

0.003-0.011 in

Connecting Rod

- Rod Side Clearance

0.102-0.508 mm

0.004-0.0200 in

- Connecting Rod Large End Bore ID

60.295-60.312 mm

2.37378-2.3745 in

Camshaft

- Journal Diameter

47.655-46.858 mm

1.8462-1.8448 in

- Bearing Inside Diameter 1 and 4

46.970-46.934 mm

1.8428-1.8492 in

- Bearing Inside Diameter 2 and 3

46.977-46.942 mm

1.8481-1.8495 in

- Bearing-to-Journal Clearance

0.041-0.119 mm

0.0016-0.0047 in

- Intake Maximum Lobe Lift

6.55 mm

0.258 in

- Exhaust Maximum Lobe Lift

6.48 mm

0.255 in

Balance Shaft

- End Play

0.0-0.171 mm

0.0-0.0067 in

- Rear Journal Diameter

38.085-38.105 mm

1.4994-1.5002 in

- Radial Play-Front, Bearing Clearance

0.0-0.026 mm

0.0-0.0010 in

- Rear Bearing To Journal Clearance

0.0127-0.109 mm

0.0005-0.0043 in

- Drive Gear Lash

0.050-0.125 mm

0.002-0.0049 in

- Bearing Bore Diameter-Front

51.973-51.999 mm

2.0462-2.0472 in

- Bearing Bore Diameter-Rear, In Block

47.584-47.612 mm

1.8735-1.8745 in

- Bearing Inside Diameter-Rear

38.118-38.194 mm

1.5007-1.5037 in

Valve System

- Lifter

Hydraulic

- Rocker Arm Ratio

1.6:1

- Face Angle

45°

- Seat Angle

45°

- Minimum Margin

0.635 mm

0.025 in

- Seat Runout-Maximum

0.050 mm

0.002 in

- Seat Width-Intake

1.53-2.03 mm

0.060-0.080 in

- Seat Width-Exhaust

2.29-2.79 mm

0.090-0.110 in

- Stem Height-All

49.15-50.17 mm

1.935-1.975 in

- Stem Clearance-All

0.038-0.089 mm

0.0015-0.0032 in

Valve Spring

- Free Length

49.78 mm

1.960 in

- Load-Closed

334 N @

43.69 mm

75 lb @ 1.72 in

- Load-Open

1014 N @ 32.4 mm

228 lb @ 1.277 in

- Installed Height

42.93-44.45 mm

1.690-1.720 in

- Approximate Number of Active Coils

4.48

- Approximate Number of Total Coils

6.60

Flywheel

- Runout-Maximum

0.38 mm

0.015 in