3100 Engine Mechanical Specifications
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3100 Engine Mechanical Specifications
3100 Engine Mechanical Specifications
Application Specification
Metric English
General Data
Engine Type 60° V-6
Displacement 3.1L 191 cu in
RPO (VIN Code) L82 (M)
Bore 89 mm 3.50 in
Stroke 84 mm 3.31 in
Deck Height 224 mm 8.818 in
Compression Ratio 9.5:1
Firing Order 1-2-3-4-5-6
Oil Pressure 103 kPa 15 psi @ 1100 RPM
Cylinder Bore
Diameter 89.016-89.034 mm 3.5046-3.5053 in
Out Of Round Maximum 0.014 mm 0.0005 in
Taper -- Thrust Side Maximum 0.020 mm 0.0008 in
Piston
Diameter-Gaged on the skirt 12 mm below the centerline of the piston pin bore 88.974-89.001 mm 3.5029-3.5040 in
Clearance 0.032-0.068 mm 0.0013-0.0027 in
Pin Bore 23.006-23.013 mm 0.9057-0.9060 in
Piston Ring
Top Groove Side Clearance 0.05-0.085 mm 0.002-0.0033 in
Second Groove Side Clearance 0.05-0.09 mm 0.002-0.0035 in
Top Ring Gap 0.15-0.36 mm 0.006-0.014 in
Second Ring Gap 0.5-0.71 mm 0.0197-0.0280 in
Groove Clearance 0.20 mm 0.008 in in
Gap with segment at 89.0 mm 0.25-1.27 mm 0.0098-0.05 in
Piston Pin
Diameter 22.9915-22.9964 mm 0.9052-0.9054 in
Clearance In Piston 0.0096-0.0215 mm 0.0004-0.0008 in
Fit In Rod 0.0165-0.0464 mm 0.0006-0.0018 in
Crankshaft
Main Journal Diameter 67.239-67.257 mm 2.6473-2.6483 in
Main Journal Taper 0.005 mm 0.0002 in
Out Of Round 0.005 mm 0.0002 in
Flange Runout-Max 0.04 mm 0.0016 in
Cylinder Block Main Bearing Bore Diameter 72.155-72.168 mm 2.8407-2.8412 in
Crankshaft Main Bearing Inside Diameter 67.289-67.316 mm 2.6492-2.6502 in
Main Bearing Clearance 0.019-0.064 mm 0.0008-0.0025 in
Main Thrust Bearing Clearance 0.032-0.077 mm 0.0012-0.0030 in
Crankshaft End Play 0.060-0.210 mm 0.0024-0.0083 in
Crankshaft Flange Runout-Max 0.04 mm 0.0016 in
Crankpin
Rod Bearing Journal Diameter 50.768-50.784 mm 1.9987-1.9994 in
Rod Bearing Journal Taper 0.005 mm 0.0002 in
Rod Bearing Journal Out Of Round 0.005 mm 0.0002 in
Rod Bearing Bore Diameter 53.962-53.984 mm 2.124-2.125 in
Rod Inside Bearing Diameter 50.812-50.850 mm 2.000-2.002 in
Rod Bearing Journal Clearance 0.018-0.062 mm 0.0007-0.0024 in
Rod Side Clearance 0.18-0.44 mm 0.007-0.017 in
Camshaft
Lobe Lift (Intake and Exhaust) 6.9263 mm 0.2727 in
Journal Diameter 47.45-47.48 mm 1.868-1.869 in
Camshaft Bearing Bore Diameter-Front and Rear 51.03-51.08 mm 2.009-2.011 in
Camshaft Bearing Bore Diameter-Middle #2 and #3 50.77-50.82 mm 1.999-2.001 in
Camshaft Bearing Inside Diameter 47.523-47.549 mm 1.871-1.872 in
Journal Clearance 0.026-0.101 mm 0.001-0.0039 in
Journal Runout-Max 0.025 mm 0.001 in
Valve System
Roller Lifter Hydraulic
Rocker Arm Ratio 1.60:1
Valve Face Angle 45°
Seat Angle 45°
Valve Seat Runout 0.025 mm 0.001 in
Seat Width-Intake 1.55-1.80 mm 0.061-0.071 in
Seat Width-Exhaust 1.70-2.0 mm 0.067-0.079 in
Valve Margin - Minimum Intake 2.10 mm 0.083 in
Valve Margin - Minimum Exhaust 2.70 mm 0.106 in
Valve Stem Clearance 0.026-0.068 mm 0.0010-0.0027 in
Valve Spring
Valve Springs Free Length 48.5 mm 1.89 in
Valve Springs Load (Closed) 320 N @ 43.2 mm 75 lb @ 1.701 in
Valve Springs Load (Open) 1036 N @ 32 mm 230 lb @ 1.260 in
Installed Height Intake-Exhaust 43.2 mm 1.701 in
Approx. # or coils 6.55
Oil Pump
Gear Lash 0.094-0.195 mm 0.0037-0.0077 in
Gear Pocket Depth 30.52-30.58 mm 1.202-1.204 in
Gear Pocket Diameter 38.176-38.226 mm 1.503-1.505 in
Gear
Length 30.45-30.48 mm 1.199-1.200 in
Diameter 38.05-38.10 mm 1.498-1.500 in
Side Clearance 0.038-0.088 mm 0.001-0.003 in
End Clearance 0.040-0.125 mm 0.002-0.005 in
Valve to Bore Clearance 0.038-0.089 mm 0.0015-0.0035 in
Fastener Tightening Specifications (L82)
Application N·m Lb Ft Lb In
Accelerator Control Cable Bracket Bolt 14 -- 125
Accelerator Control Cable Bracket Nut 10 -- 89
Camshaft Position Sensor Bolt 10 -- 89
Camshaft Sprocket Bolt 110 81 --
Camshaft Thrust Plate Bolt 10 -- 89
Connecting Rod Cap Nut 20 +75° 15 +75° --
Coolant Drain Plug 19 14 --
Coolant Outlet Bolt 25 18 --
Coolant Pump Bolt 10 -- 89
Coolant Pump Pulley Bolt 25 18 --
Crankshaft Balancer Bolt 103 76 --
Crankshaft Oil Deflector Nut 25 18 --
Crankshaft Position Sensor Bolt - Front Cover 10 -- 89
Crankshaft Position Sensor Bolt - Side of Blocks 11 -- 98
Cylinder Head Bolt 45 +90° 33 +90° --
EGR Adapter Pipe to Exhaust Manifold Nut 25 18 --
EGR to Adapter Pipe Bolt 25 18 --
Electronic Ignition Control Module Bracket Bolt 25 18 --
Electronic Ignition Control Module Bracket Nut 25 18 --
Engine Coolant Temperature Sensor 23 17 --
Engine Mount Bracket Bolt 58 43 --
Engine Mount to Bracket Nut 47 35 --
Engine Mount to Frame Bracket Nut 43 32 --
Engine Mount Strut Nut 48 35 --
Engine Mount Strut Bracket Bolt - Engine Right Side 50 37 --
Engine Mount Strut Bracket Bolt - Engine Left Side 70 52 --
Engine Mount Strut Bracket Bolt - Upper Radiator Support 26 19 --
Exhaust Crossover Pipe Nut 25 18 --
Exhaust Crossover Pipe Heat Shield Bolt 10 -- 89
Exhaust Manifold Nut 16 12 --
Exhaust Manifold Heat Shield Bolt 10 -- 89
Exhaust Manifold Stud 16 12 --
Flywheel Bolt 83 61 --
Front Cover Bolt - Large 47 35 --
Front Cover Bolt - Small 21 15 --
Fuel Injector Rail Bolt 10 -- 89
Fuel Pipe Bracket Bolt 50 37 --
Fuel Pipe Bracket Stud 50 37 --
Fuel Pipe Fitting 17 13 --
Fuel Pipe Retaining Clip Bolt 10 -- 89
Generator Bracket Bolt 50 37 --
Heater Inlet Pipe Nipple 30 22 --
Heater Inlet Pipe Nut 25 18 --
Heater Inlet Pipe Stud 25 18 --
Knock Sensor 19 14 --
Lower Intake Manifold Bolt 13 -- 115
MAP Sensor Bolt 4 -- 36
Oil Gallery Plug - 1/4 in 19 14 --
Oil Gallery Plug - 3/8 in 33 24 --
Oil Filter 13 -- 115
Oil Filter By-pass Plug 19 14 --
Oil Filter Fitting 39 29 --
Oil Filter Cooler Connector 50 37 --
Oil Level Indicator Assembly Bolt 25 18 --
Oil Level Sensor 10 -- 89
Oil Pan Retaining Bolt 25 -- 18
Oil Pan Side Bolt 50 37 --
Oil Pan Drain Plug 25 18 --
Oil Pressure Switch 13 -- 115
Oil Pump Bolt 41 30 --
Oil Pump Cover Bolt 10 -- 89
Oil Pump Drive Assembly Bolt 36 27 --
Rear Engine Lift Bracket Bolt 50 37 --
Rocker Arm Bolt 10 +30° -- 89 +30°
Rocker Cover Retaining Bolt (Finger Tighten All Bolts First) 10 -- 89
Spark Plug 20 15 --
Throttle Body Bolt 25 18 --
Timing Chain Dampener Bolt 21 15 --
Upper Intake Manifold Bolt 25 18 --
Upper Intake Manifold Stud 25 18 --
Valve Lifter Guide Bolt 10 -- 89
Fastener Tightening Specifications (LG8 and LA1)
Application Specification
Metric English
Accelerator Control Cable Bracket Bolt/Nut 10 N·m 89 lb in
Camshaft Position Sensor Bolt 10 N·m 89 lb in
Camshaft Sprocket Bolt 140 N·m 103 lb ft
Camshaft Thrust Plate Screw 10 N·m 89 lb in
Connecting Rod Bearing Cap Nut 20 N·m + 75° 15 lb ft + 75°
Coolant Drain Plug 19 N·m 14 lb ft
Coolant Temperature Sensor 23 N·m 17 lb ft
Crankshaft Balancer Bolt 103 N·m 76 lb ft
Crankshaft Main Bearing Cap Bolt/Stud 50 N·m +77° 37 lb ft + 77°
Crankshaft Oil Deflector Nut 25 N·m 18 lb ft
Crankshaft Position Sensor Bolt -- Front Cover 10 N·m 89 lb in
Crankshaft Position Sensor Stud -- Side of Engine Block 11 N·m 98 lb in
Crankshaft Position Sensor Wiring Bracket Bolt 27 N·m 20 lb ft
Cylinder Head Bolt 60 N·m + 95° 44 lb ft + 95°
Drive Belt Shield Bolt 10 N·m 89 lb in
Drive Belt Tensioner Bolt 50 N·m 37 lb ft
EGR Valve to EGR Valve Pipe Bolt 25 N·m 18 lb ft
EGR Valve Adapter Pipe to Exhaust Manifold Nut 25 N·m 18 lb ft
Engine Flywheel Bolt 71 N·m 52 lb ft
Engine Front Cover Bolt -- Large 55 N·m 41 lb ft
Engine Front Cover Bolt -- Medium 47 N·m 35 lb ft
Engine Front Cover Bolt -- Small 21 N·m 15 lb ft
Engine Mount Bracket Bolt 58 N·m 43 lb ft
Engine Mount Lower Nut 43 N·m 32 lb ft
Engine Mount Strut and Lift Bracket Bolt -- Engine Left Rear 70 N·m 52 lb ft
Engine Mount Strut Bolt/Nut 48 N·m 35 lb ft
Engine Mount Strut Bracket Bolt -- Upper Radiator Support 28 N·m 21 lb ft
Engine Mount Strut Bracket Bolt -- Vehicle Right Side 50 N·m 37 lb ft
Engine Mount Upper Nut 47 N·m 35 lb ft
Engine Oil Pressure Indicator Switch 13 N·m 115 lb in
Engine Wiring Harness Bracket Bolt
Application Specification
Metric English
General Data
Engine Type 60° V-6
Displacement 3.1L 191 cu in
RPO (VIN Code) L82 (M)
Bore 89 mm 3.50 in
Stroke 84 mm 3.31 in
Deck Height 224 mm 8.818 in
Compression Ratio 9.5:1
Firing Order 1-2-3-4-5-6
Oil Pressure 103 kPa 15 psi @ 1100 RPM
Cylinder Bore
Diameter 89.016-89.034 mm 3.5046-3.5053 in
Out Of Round Maximum 0.014 mm 0.0005 in
Taper -- Thrust Side Maximum 0.020 mm 0.0008 in
Piston
Diameter-Gaged on the skirt 12 mm below the centerline of the piston pin bore 88.974-89.001 mm 3.5029-3.5040 in
Clearance 0.032-0.068 mm 0.0013-0.0027 in
Pin Bore 23.006-23.013 mm 0.9057-0.9060 in
Piston Ring
Top Groove Side Clearance 0.05-0.085 mm 0.002-0.0033 in
Second Groove Side Clearance 0.05-0.09 mm 0.002-0.0035 in
Top Ring Gap 0.15-0.36 mm 0.006-0.014 in
Second Ring Gap 0.5-0.71 mm 0.0197-0.0280 in
Groove Clearance 0.20 mm 0.008 in in
Gap with segment at 89.0 mm 0.25-1.27 mm 0.0098-0.05 in
Piston Pin
Diameter 22.9915-22.9964 mm 0.9052-0.9054 in
Clearance In Piston 0.0096-0.0215 mm 0.0004-0.0008 in
Fit In Rod 0.0165-0.0464 mm 0.0006-0.0018 in
Crankshaft
Main Journal Diameter 67.239-67.257 mm 2.6473-2.6483 in
Main Journal Taper 0.005 mm 0.0002 in
Out Of Round 0.005 mm 0.0002 in
Flange Runout-Max 0.04 mm 0.0016 in
Cylinder Block Main Bearing Bore Diameter 72.155-72.168 mm 2.8407-2.8412 in
Crankshaft Main Bearing Inside Diameter 67.289-67.316 mm 2.6492-2.6502 in
Main Bearing Clearance 0.019-0.064 mm 0.0008-0.0025 in
Main Thrust Bearing Clearance 0.032-0.077 mm 0.0012-0.0030 in
Crankshaft End Play 0.060-0.210 mm 0.0024-0.0083 in
Crankshaft Flange Runout-Max 0.04 mm 0.0016 in
Crankpin
Rod Bearing Journal Diameter 50.768-50.784 mm 1.9987-1.9994 in
Rod Bearing Journal Taper 0.005 mm 0.0002 in
Rod Bearing Journal Out Of Round 0.005 mm 0.0002 in
Rod Bearing Bore Diameter 53.962-53.984 mm 2.124-2.125 in
Rod Inside Bearing Diameter 50.812-50.850 mm 2.000-2.002 in
Rod Bearing Journal Clearance 0.018-0.062 mm 0.0007-0.0024 in
Rod Side Clearance 0.18-0.44 mm 0.007-0.017 in
Camshaft
Lobe Lift (Intake and Exhaust) 6.9263 mm 0.2727 in
Journal Diameter 47.45-47.48 mm 1.868-1.869 in
Camshaft Bearing Bore Diameter-Front and Rear 51.03-51.08 mm 2.009-2.011 in
Camshaft Bearing Bore Diameter-Middle #2 and #3 50.77-50.82 mm 1.999-2.001 in
Camshaft Bearing Inside Diameter 47.523-47.549 mm 1.871-1.872 in
Journal Clearance 0.026-0.101 mm 0.001-0.0039 in
Journal Runout-Max 0.025 mm 0.001 in
Valve System
Roller Lifter Hydraulic
Rocker Arm Ratio 1.60:1
Valve Face Angle 45°
Seat Angle 45°
Valve Seat Runout 0.025 mm 0.001 in
Seat Width-Intake 1.55-1.80 mm 0.061-0.071 in
Seat Width-Exhaust 1.70-2.0 mm 0.067-0.079 in
Valve Margin - Minimum Intake 2.10 mm 0.083 in
Valve Margin - Minimum Exhaust 2.70 mm 0.106 in
Valve Stem Clearance 0.026-0.068 mm 0.0010-0.0027 in
Valve Spring
Valve Springs Free Length 48.5 mm 1.89 in
Valve Springs Load (Closed) 320 N @ 43.2 mm 75 lb @ 1.701 in
Valve Springs Load (Open) 1036 N @ 32 mm 230 lb @ 1.260 in
Installed Height Intake-Exhaust 43.2 mm 1.701 in
Approx. # or coils 6.55
Oil Pump
Gear Lash 0.094-0.195 mm 0.0037-0.0077 in
Gear Pocket Depth 30.52-30.58 mm 1.202-1.204 in
Gear Pocket Diameter 38.176-38.226 mm 1.503-1.505 in
Gear
Length 30.45-30.48 mm 1.199-1.200 in
Diameter 38.05-38.10 mm 1.498-1.500 in
Side Clearance 0.038-0.088 mm 0.001-0.003 in
End Clearance 0.040-0.125 mm 0.002-0.005 in
Valve to Bore Clearance 0.038-0.089 mm 0.0015-0.0035 in
Fastener Tightening Specifications (L82)
Application N·m Lb Ft Lb In
Accelerator Control Cable Bracket Bolt 14 -- 125
Accelerator Control Cable Bracket Nut 10 -- 89
Camshaft Position Sensor Bolt 10 -- 89
Camshaft Sprocket Bolt 110 81 --
Camshaft Thrust Plate Bolt 10 -- 89
Connecting Rod Cap Nut 20 +75° 15 +75° --
Coolant Drain Plug 19 14 --
Coolant Outlet Bolt 25 18 --
Coolant Pump Bolt 10 -- 89
Coolant Pump Pulley Bolt 25 18 --
Crankshaft Balancer Bolt 103 76 --
Crankshaft Oil Deflector Nut 25 18 --
Crankshaft Position Sensor Bolt - Front Cover 10 -- 89
Crankshaft Position Sensor Bolt - Side of Blocks 11 -- 98
Cylinder Head Bolt 45 +90° 33 +90° --
EGR Adapter Pipe to Exhaust Manifold Nut 25 18 --
EGR to Adapter Pipe Bolt 25 18 --
Electronic Ignition Control Module Bracket Bolt 25 18 --
Electronic Ignition Control Module Bracket Nut 25 18 --
Engine Coolant Temperature Sensor 23 17 --
Engine Mount Bracket Bolt 58 43 --
Engine Mount to Bracket Nut 47 35 --
Engine Mount to Frame Bracket Nut 43 32 --
Engine Mount Strut Nut 48 35 --
Engine Mount Strut Bracket Bolt - Engine Right Side 50 37 --
Engine Mount Strut Bracket Bolt - Engine Left Side 70 52 --
Engine Mount Strut Bracket Bolt - Upper Radiator Support 26 19 --
Exhaust Crossover Pipe Nut 25 18 --
Exhaust Crossover Pipe Heat Shield Bolt 10 -- 89
Exhaust Manifold Nut 16 12 --
Exhaust Manifold Heat Shield Bolt 10 -- 89
Exhaust Manifold Stud 16 12 --
Flywheel Bolt 83 61 --
Front Cover Bolt - Large 47 35 --
Front Cover Bolt - Small 21 15 --
Fuel Injector Rail Bolt 10 -- 89
Fuel Pipe Bracket Bolt 50 37 --
Fuel Pipe Bracket Stud 50 37 --
Fuel Pipe Fitting 17 13 --
Fuel Pipe Retaining Clip Bolt 10 -- 89
Generator Bracket Bolt 50 37 --
Heater Inlet Pipe Nipple 30 22 --
Heater Inlet Pipe Nut 25 18 --
Heater Inlet Pipe Stud 25 18 --
Knock Sensor 19 14 --
Lower Intake Manifold Bolt 13 -- 115
MAP Sensor Bolt 4 -- 36
Oil Gallery Plug - 1/4 in 19 14 --
Oil Gallery Plug - 3/8 in 33 24 --
Oil Filter 13 -- 115
Oil Filter By-pass Plug 19 14 --
Oil Filter Fitting 39 29 --
Oil Filter Cooler Connector 50 37 --
Oil Level Indicator Assembly Bolt 25 18 --
Oil Level Sensor 10 -- 89
Oil Pan Retaining Bolt 25 -- 18
Oil Pan Side Bolt 50 37 --
Oil Pan Drain Plug 25 18 --
Oil Pressure Switch 13 -- 115
Oil Pump Bolt 41 30 --
Oil Pump Cover Bolt 10 -- 89
Oil Pump Drive Assembly Bolt 36 27 --
Rear Engine Lift Bracket Bolt 50 37 --
Rocker Arm Bolt 10 +30° -- 89 +30°
Rocker Cover Retaining Bolt (Finger Tighten All Bolts First) 10 -- 89
Spark Plug 20 15 --
Throttle Body Bolt 25 18 --
Timing Chain Dampener Bolt 21 15 --
Upper Intake Manifold Bolt 25 18 --
Upper Intake Manifold Stud 25 18 --
Valve Lifter Guide Bolt 10 -- 89
Fastener Tightening Specifications (LG8 and LA1)
Application Specification
Metric English
Accelerator Control Cable Bracket Bolt/Nut 10 N·m 89 lb in
Camshaft Position Sensor Bolt 10 N·m 89 lb in
Camshaft Sprocket Bolt 140 N·m 103 lb ft
Camshaft Thrust Plate Screw 10 N·m 89 lb in
Connecting Rod Bearing Cap Nut 20 N·m + 75° 15 lb ft + 75°
Coolant Drain Plug 19 N·m 14 lb ft
Coolant Temperature Sensor 23 N·m 17 lb ft
Crankshaft Balancer Bolt 103 N·m 76 lb ft
Crankshaft Main Bearing Cap Bolt/Stud 50 N·m +77° 37 lb ft + 77°
Crankshaft Oil Deflector Nut 25 N·m 18 lb ft
Crankshaft Position Sensor Bolt -- Front Cover 10 N·m 89 lb in
Crankshaft Position Sensor Stud -- Side of Engine Block 11 N·m 98 lb in
Crankshaft Position Sensor Wiring Bracket Bolt 27 N·m 20 lb ft
Cylinder Head Bolt 60 N·m + 95° 44 lb ft + 95°
Drive Belt Shield Bolt 10 N·m 89 lb in
Drive Belt Tensioner Bolt 50 N·m 37 lb ft
EGR Valve to EGR Valve Pipe Bolt 25 N·m 18 lb ft
EGR Valve Adapter Pipe to Exhaust Manifold Nut 25 N·m 18 lb ft
Engine Flywheel Bolt 71 N·m 52 lb ft
Engine Front Cover Bolt -- Large 55 N·m 41 lb ft
Engine Front Cover Bolt -- Medium 47 N·m 35 lb ft
Engine Front Cover Bolt -- Small 21 N·m 15 lb ft
Engine Mount Bracket Bolt 58 N·m 43 lb ft
Engine Mount Lower Nut 43 N·m 32 lb ft
Engine Mount Strut and Lift Bracket Bolt -- Engine Left Rear 70 N·m 52 lb ft
Engine Mount Strut Bolt/Nut 48 N·m 35 lb ft
Engine Mount Strut Bracket Bolt -- Upper Radiator Support 28 N·m 21 lb ft
Engine Mount Strut Bracket Bolt -- Vehicle Right Side 50 N·m 37 lb ft
Engine Mount Upper Nut 47 N·m 35 lb ft
Engine Oil Pressure Indicator Switch 13 N·m 115 lb in
Engine Wiring Harness Bracket Bolt