Engine Mechanical Specifications. Saturn L300/LW300 2001

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2001 🢒 L300/LW300 🢒 Engine 🢒 Engine Mechanical - 3.0L (L81) 🢒 Engine Mechanical Specifications

Spark Plugs

Application	Specification
Application	Metric	English
Bosch® FLR-9LTE, GM P/N 90541059
Gap	0.9-1.1 N·m	0.035-0.043 lb in
Torque	25 N·m	19 lb in

Oil Pressure (Minimum)

Application	Specification
Application	Metric	English
Engine at Idle (At Normal Operating Temperature)	150 kPa	21.7 psig

Cylinder Bore

Application	Specification
Application	Metric	English
Service Diameter (Select Fit Designation Stamped on Block)
(8)	85.975-85.985 mm	3.3848-3.3852 in
(99)	85.985-85.995 mm	3.3852-3.3856 in
(00)	85.995-86.005 mm	3.3856-3.3860 in
(01)	86.005-86.015 mm	3.3860-3.3864 in
(02)	86.015-86.025 mm	3.3864-3.3868 in
(7 + 0.5) OVERSIZE	86.465-86.475 mm	3.4041-3.4045 in
Maximum Out-of-Round	0.065 mm	0.0026 in
Taper	0.0065 mm	0.0003 in

Piston

Application	Specification
Application	Metric	English
Service Diameter (Select Fit Designation Stamped on Top of Piston)
(8)	85.940-85.950 mm	3.3834-3.3838 in
(99)	85.950-85.960 mm	3.3838-3.3842 in
(00)	85.960-85.970 mm	3.3842-3.3846 in
(01)	85.970-85.980 mm	3.3846-3.3850 in
(02)	85.980-85.990 mm	3.3850-3.3854 in
(7 + 0.5) OVERSIZE	86.430-86.440 mm	3.4027-3.4031 in
Piston Bore Clearance	0.025-0.045 mm	0.0010-0.0018 in

Piston Rings

Application	Specification
Application	Metric	English
Compression Rings
Thickness	1.5 mm	0.0590 in
Ring Groove Clearance	0.02-0.04 mm	0.0008-0.0015 in
Ring Gap	0.30-0.50 mm	0.0118-0.0196 in
Oil Ring
Thickness	3.0 mm	0.1181 in
Ring Groove Clearance	0.01-0.03 mm	0.0004-0.0012 in
Ring Gap	0.40-1.40 mm	0.0157-0.0551 in

Piston Pin

Application	Specification
Application	Metric	English
Diameter	20.990-21 mm	0.8263 in
Clearance in Piston	0.003-0.015 mm	0.0001-0.0006 in

Crankshaft

Application	Specification
Application	Metric	English
Main Journal Diameter (color coded size designation)
Standard Size (green)	67.980-67.988 mm	2.6763-2.6766 in
Standard Size (brown)	67.988-67.996 mm	2.6766-2.6770 in
Undersize -- 0.25 (green/blue)	67.730-67.738 mm	2.6665-2.6668 in
Undersize -- 0.25 (brown/blue)	67.738-67.746 mm	2.6668-2.6671 in
Undersize -- 0.50 (green/white)	67.480-67.488 mm	2.6566-2.6570 in
Undersize -- 0.50 (brown/white)	67.488-67.496 mm	2.6570-2.6573 in
Main Journal Maximum Out-of-Round	0.03 mm	0.0012 in
Crankshaft Bearing Clearance	0.014-0.043 mm	0.0006-0.0017 in
Crankshaft End Play	0.010-0.76 mm	0.0004-0.0300 in
Connecting Rod Journal Diameter	48.971-48.990 mm	1.927-1.928 in
Undersize 0.25 (blue)	48.721-48.740 mm	1.918-1.919 in
Undersize 0.50 (white)	48.471-48.490 mm	1.908-1.909 in

Connecting Rod

Application	Specification
Application	Metric	English
Bearing Clearance	0.013-0.061 mm	0.0005-0.0024 in
Big End Diameter	52.000-52.012 mm	2.0472-2.0477 in
Side Clearance	0.07-0.28 mm	0.0027-0.0110 in

Camshaft

Application	Specification
Application	Metric	English
Bearing Clearance	0.038-0.051 mm	0.0015-0.0020 in
End Play	0.04-0.144 mm	0.0016-0.0057 in
Journal Diameter	27.939-27.960 mm	1.099-1.101 in
Lift	10.0 mm	0.3937 in
Radial Runout	0.06 mm	0.0023 in

Valves

Application	Specification
Application	Metric	English
Lifter Type
Hydraulic
Valve
Face Angle	45 degrees
Seat Angle	45 degrees
Valve Seat Width
Intake	1.0-1.4 mm	0.0394-0.0551 in
Exhaust	1.4-1.8 mm	0.0551-0.0709 in
Valve Length (Production)
Intake	101.90-102.30 mm	4.016-4.027 in
Exhaust	92.05-92.45 mm	3.624-3.640 in
Valve Length (Service)
Intake	101.5-101.90 mm	3.996-4.018 in
Exhaust	91.65-92.05 mm	3.608-3.624 in
Valve Stem Diameter
Standard (K) Intake	5.955-5.970 mm	0.2344-0.2350 in
Standard (K) Exhaust	5.945--5.960 mm	0.2341-0.23346 in
Oversize (K-1 - 0.075) Intake	6.030-6.045 mm	0.2374-0.2380 in
Oversize (K-1 - 0.075) Exhaust	6.020-6.035 mm	0.2370-0.2376 in
Installed Height of Valve	39.6-40.2 mm	1.560-1.582 in
Valve Guide Diameter
Standard (K)	6.000-6.012 mm	0.2362-0.2367 in
Oversize (K 1 - 0.075)	6.075-6.090 mm	0.2392-0.2398 in
Installed Height of Valve Guide Intake/Exhaust	13.7-14.0 mm	0.5394-0.5512 in
Stem Clearance
Intake	0.030-0.057 mm	0.0012-0.0022 in
Exhaust	0.040-0.067 mm	0.0016-0.0026 in
Valve Spring Height
Exhaust Compressed at 252 N·m (56.6 lb)	34 mm	1.338 in
Intake Compressed at 252 N·m (56.6 lb)	34 mm	1.338 in

Cylinder Head

Application	Specification
Application	Metric	English
Total Height (Measure from Sealing Surfaces)	133.90 - 134.10	5.272 - 5.280
Maximum Distortion (length)	0.05 per 100	0.0020 per 3.937

Table 1:	Engine Block Specifications
Table 2:	Cylinder Head Specifications

Engine Block Specifications

Application	Service Limit
Application	Metric	English
Cylinder Bore - Select Fit Designation Stamped on Block
(8)	85.975-85.985 mm	3.3848-3.3852 in
(99)	85.985-85.995 mm	3.3852-3.3856 in
(00)	85.995-86.005 mm	3.3856-3.3860 in
(01)	86.005-86.015 mm	3.3860-3.3864 in
(02)	86.015-86.025 mm	3.3864-3.3868 in
(7 + 0.5) Oversize	86.465-86.475 mm	3.4041-3.4045 in
Maximum Out-of-Round	0.065 mm	0.0003 in
Taper	0.0065 mm	0.0003 in
Piston - Select Fit Designation Stamped on Top of Piston
(8)	85.940-85.950 mm	3.3834-3.3838 in
(99)	85.950-85.960 mm	3.3838-3.3842 in
(00)	85.960-85.970 mm	3.3842-3.3846 in
(01)	85.970-85.980 mm	3.3846-3.3850 in
(02)	85.980-85.990 mm	3.3850-3.3854 in
(7 + 0.5) Oversize	86.430-86.440 mm	3.4027-3.4031 in
Piston Bore Clearance	0.025-0.045 mm	0.0010-0.0018 in
Piston Pin Diameter	21 mm	0.8267 in
Clearance in Piston	0.003-0.008 mm	0.0001-0.0003 in
Piston Ring - Compression
Thickness	1.5 mm	0.0590 in
Ring Groove Clearance	0.02-0.04 mm	0.0008-0.0015 in
Ring Gap	0.30-0.50 mm	0.0118-0.0196 in
Piston Ring - Oil
Thickness	3.0 mm	0.1181 in
Ring Groove Clearance	0.01-0.03 mm	0.0004-0.0012 in
Ring Gap	0.40-1.40 mm	0.0157-0.0551 in
Piston Pin
Diameter	21 mm	0.8267 in
Clearance in Piston	0.001-0.015 mm	0.0001-0.0003 in
Crankshaft - Main Journal
Standard Size - Green	67.980-67.988 mm	2.6763-2.6766 in
Standard Size - Brown	67.988-67.996 mm	2.6766-2.6770 in
Undersize - 0.25 - Green/Blue	67.730-67.738 mm	2.6656-2.6668 in
Undersize - 0.25 - Brown/Blue	67.738-67.746 mm	2.668-2.6671 in
Undersize - 0.50 - Green/White	67.480-67.488 mm	2.666-2.6570 in
Undersize - 0.50 - Brown/Blue	67.488-67.496 mm	2.6570-2.6573 in
Main Journal Maximum Out-of-Round	0.03 mm	0.0012 in
Crankshaft Bearing Clearance	0.014-0.043 mm	0.0006-0.0017 in
Crankshaft End Play	0.010-0.76 mm	0.0004-0.0300 in
Connecting Rod Journal Diameter	48.971-48.990 mm	1.927-1.928 in
Undersize - 0.25	48.721-48.740 mm	1.918-1.919 in
Undersize - 0.50	48.471-48.490 mm	1.908-1.909 in
Connecting Rod
Side Clearance	0.07-0.28 mm	0.0027-0.0110 in
Bearing Clearance	0.013-0.061 mm	0.0005-0.0024 in
Big End Diameter	52.000-52.012 mm	2.0472-2.0477 mm

Cylinder Head Specifications

Measurement	Standard		Service Limit
Measurement	Metric	English	Metric	English
Compression (Hot)
250 RPM (Open Throttle)	1310 kPa	190 psi min	1,241 kPa	180 psi min
Cylinder Leakage (Hot)
689 kPa (100 psi) Input	69 kPa 10% max	10 psi max	138 kPa 15% max	20 psi max
Cylinder Head
Total Height	134.0 mm	5.276 in	133.9-134.1 mm	5.272-5.280 in
Maximum Distortion (Length)	--	--	0.05/100 mm	0.0020/3.937 in
Valve
Lifter	--	--	--	--
Face Angle	--	--	--	45 degrees
Seat Angle	--	--	--	45 degrees
Seat Width	--	--	--	--
Intake	1.0-1.4 mm	0.0394-0.0551 in	--	--
Exhaust	1.4-1.8 mm	0.0551-0.0709 in	--	--
Valve Length - Production
Intake	102.1 mm	4.016 in	--	--
Exhaust	92.25 mm	3.632 in	--	--
Valve Length - Service
Intake	101.7 mm	4.0039 in	--	--
Exhaust	91.8 mm	3.6141 in	--	--
Valve Stem Diameter
Standard (K) Intake	5.955-5.970 mm	0.2344-0.2350 in	--	--
Standard (K) Exhaust	5.945-5.960 mm	0.2341-0.2346 in	--	--
Oversize (K 1-0.075) Intake	6.030 mm	0.2374 in	--	--
Oversize (K 1-0.075) Exhaust	6.020 mm	0.2370 in	--	--
Valve Guide Diameter
Standard (K)	6.000-6.012 mm	0.2362-0.2367 in	--	--
Oversize (K 1-0.075)	6.075-6.090 mm	0.2392-0.2398 in	--	--
Valve Guide Installed Height	13.7-14.0 mm	0.5394-0.5512 in	--	--
Stem Clearance
Intake	0.030-0.057 mm	0.0012-0.0022 in	--	--
Exhaust	0.040-0.067 mm	0.0016-0.0026 in	--	--
Valve Height
Intake	39.2 mm	1.543 in	--	--
Exhaust	39.2 mm	1.543 in	--	--
Intake and Exhaust Compressed at 252 N (56.6 lbs)	34 mm	1.338 in	--	--
Camshaft
Exhaust Cam Lobe Lift Rise	8.66-8.74 mm	0.3409-0.344 in	8.61 mm	0.339 in min
Lifter Body Diameter	32.959-32.975 mm	1.2976-1.282 in	32.947 mm	1.297 in min
Lifter Body Clearance	0.025-0.066 mm	0.0010-0.0026 in	0.083 mm	0.003 in max
Journal Diameter	27.939-27.960 mm	1.099-1.101 in	--	--
Bearing Clearance	0.040-0.082 mm	0.0015-0.0020 in	--	--
End Play	0.04-0.144 mm	0.0016-0.0057 in	--	--
Spark Plug
Type	Bosch FLR-LTE, GM P/N 90541059		--
Gap	0.9-1.1 mm	0.035-0.043 in	--	--
Torque	--	--	25 N·m	19 lb ft
Oil Pressure - Minimum
Engine Idle - at Normal Operating Temperature	--	--	110 kPa	16 psi