| Application | Millimeters | Inches | 
|---|---|---|
| General Data | ||
| Engine Type | -- | 60° V-6 | 
| Displacement | -- | 204*Cu*In | 
| Liter (VIN) | -- | 3.4 (X) | 
| RPO | -- | LQ1 | 
| Bore | 92 | 3.622 | 
| Stroke | 84 | 3.307 | 
| Deck Height | 224 | 8.818 | 
| Compression Ratio | -- | 9.50:1 | 
| Firing Order | -- | 1-2-3-4-5-6 | 
| Oil Pressure @ Operating Temperature | 103*kPa @ 1100 RPM | 15*psi*min @ 1100 RPM | 
| Cylinder Bore | ||
| Diameter | 92.020-92.038 | 3.6228-3.6235 | 
| Out Of Round Maximum | 0.010 | 0.0004 | 
| Taper -- Thrust Side Maximum | 0.013 | 0.00051 | 
| Center Distance | 111.76 | 4.4 | 
| Piston | ||
| Diameter-gauged at skirt 10.44*mm (0.413*in) below centerline of piston pin bore | 91.985-92.000 | 3.6215-3.6220 | 
| Clearance | 0.020-0.052 | 0.0008-0.0020 | 
| Pin Bore | 23.003-23.010 | 0.9056-0.9059 | 
| Piston Ring | ||
| Compression Groove Clearance 1st and 2nd | 0.033-0.079 | 0.0013-0.0031 | 
| Gap (at gauge diameter) 1st | 0.20-0.45 | 0.008-0.018 | 
| Gap (at gauge diameter) 2nd | 0.56-0.81 | 0.022-0.032 | 
| Oil Groove Clearance | 0.028-0.206 | 0.0011-0.0081 | 
| Gap (segment at gauge diameter) | 0.25-0.76 | 0.0098-0.0299 | 
| Tension 1st | 27.6*N | 6.2*lbs | 
| Tension 2nd | 19.8*N | 4.5*lbs | 
| Tension Oil | 31.2*N | 7.0*lbs | 
| Piston Pin | ||
| Diameter | 22.9915-22.9964 | 0.9052-0.9054 | 
| Clearance | 0.0066-0.0185 | 0.00026-0.00073 | 
| Fit In Rod | 0.0165-0.0464 | 0.0006-0.0018 | 
| Crankshaft | ||
| Main Journal Diameter-All | 67.239-67.257 | 2.6472-2.6479 | 
| Taper-Maximum | 0.005 | 0.0002 | 
| Out Of Round-Maximum | 0.005 | 0.0002 | 
| Cylinder Block Main Bearing Bore Diameter | 72.155-72.168 | 2.8407-2.8412 | 
| Crankshaft Main Bearing Inner Diameter | 67.289-67.316 | 2.6492-2.6502 | 
| Main Bearing Clearance | 0.019-0.064 | 0.0008-0.0025 | 
| Main Thrust Bearing Clearance | 0.032-0.077 | 0.0013-0.0030 | 
| Crankshaft End Play | 0.06-0.21 | 0.002-0.008 | 
| Crankpin | ||
| Diameter | 50.768-50.784 | 1.9987-1.9994 | 
| Taper-Maximum | 0.005 | 0.0002 | 
| Out Of Round-Maximum | 0.005 | 0.0002 | 
| Rod Bearing Bore Diameter | 53.962-53.984 | 2.124-2.125 | 
| Rod Inner Bearing Diameter | 50.812-50.850 | 2.000-2.002 | 
| Rod Bearing Clearance | 0.018-0.062 | 0.0007-0.0024 | 
| Rod Side Clearance | 0.18-0.44 | 0.0071-0.0173 | 
| Camshaft | ||
| Lobe Lift (Intake) | 9.398 @ 108° Crank ATDC | 0.370 @ 108° Crank ATDC | 
| Lobe Lift (Exhaust) | 9.389 @ 115° Crank BTDC | 0.370 @ 115° Crank BTDC | 
| Timing Reference Set Position with Camshaft Timing Flats in Clamped Position-Right Bank | -- | TDC-1Piston Exhaust Stroke +/- 2° of Crankshaft | 
| Timing Reference Set Position with Camshaft Timing Flats in Clamped Position-Left Bank | -- | TDC-4 Piston Exhaust Stroke +/- 2° of Crankshaft | 
| Journal Diameter | 54.973-55.001 | 2.1643-2.1654 | 
| Bore Inside Diameter | 55.050-55.075 | 2.1673-2.1683 | 
| Journal Clearance | 0.049-0.102 | 0.0019-0.0040 | 
| Valve System | ||
| Lifter | -- | Hydraulic | 
| Face Angle | -- | 45° | 
| Seat Angle | -- | 46° | 
| Seat Runout-Maximum | 0.075 | 0.0030 | 
| Seat Width Intake | 1.25-1.50 | 0.0492-0.0591 | 
| Exhaust | 1.60-1.90 | 0.063-0.0748 | 
| Valve Margin-Minimum | 0.75 | 0.029 | 
| Stem Clearance Intake | 0.028-0.066 | 0.0011-0.0026 | 
| Stem Clearance Exhaust | 0.046-0.084 | 0.0018-0.0033 | 
| Valve Spring | ||
| Free Length | 42.04 | 1.6551 | 
| Load (Closed)-All | 289*N @ 35.56 | 65*lb @ 1.400 | 
| Load (Open)-All | 711*N @ 26.16 | 160*lb @ 1.030 | 
| Approximate Number of Active Coils | -- | 4 | 
| Oil Pump | ||
| Valve to Bore Clearance | 0.038-0.089 | 0.0015-0.0035 | 
| Gear Lash | 0.094-0.195 | 0.0037-0.0077 | 
| Gear Pocket Depth | 30.53-30.61 | 1.202-1.205 | 
| Diameter | 38.202-38.252 | 1.504-1.506 | 
| Gear Length | 30.45-30.48 | 1.199-1.20 | 
| Diameter | 38.05-38.10 | 1.498-1.50 | 
| Side Clearance | 0.08-0.10 | 0.003-0.004 | 
| End Clearance | 0.05-0.152 | 0.002-0.006 | 
3.4L (DOHC) Fastener Tightening Specifications
| Application | N·m | Lb Ft | Lb In | 
|---|---|---|---|
| Accelerator Control Cable Bracket Bolt | 10 | -- | 89 | 
| Accelerator Control Cable Bracket Nut | 10 | -- | 89 | 
| Camshaft Carrier Cover Bolt | 11 | -- | 97 | 
| Camshaft Carrier Thrust Plate Bolt | 10 | -- | 89 | 
| Camshaft Carrier Thrust Plate Cover Bolt | 10 | -- | 89 | 
| Camshaft Drive Belt Cover Bolt | 10 | -- | 89 | 
| Camshaft Drive Sprocket Bolt | 130 | 96 | -- | 
| Camshaft Housing Assembly Bolt | 27 | 20 | -- | 
| Camshaft Position Sensor Bolt | 50 | 37 | -- | 
| Connecting Rod Cap Nut | 20 +75° | 15 +75° | -- | 
| Coolant By-Pass Nut | 25 | 18 | -- | 
| Coolant Inlet Housing Bolt | 25 | 18 | -- | 
| Coolant Outlet Bolt | 27 | 20 | -- | 
| Coolant Pump Bolt | 11 | -- | 97 | 
| Coolant Pump Pulley Bolt | 25 | 18 | -- | 
| Crankshaft Balancer Mounting Bolt | 107 | 79 | -- | 
| Crankshaft Main Bearing Cap Bolt | 50+75° | 37+75° | -- | 
| Crankshaft Main Bearing Cap Stud | 50+75° | 37+75° | -- | 
| Crankshaft Oil Deflector Nut | 25 | 18 | -- | 
| Crankshaft Pulley-to-Crankshaft Damper Bolt | 60 | 44 | -- | 
| Crankshaft Position Sensor Bolt-Front of Engine | 8 | -- | 71 | 
| Crankshaft Position Sensor Bolt-Side of Engine | 8 | -- | 71 | 
| Crankshaft Position Sensor Harness Retaining Bracket Bolt | 5 | -- | 45 | 
| Cylinder Head Bolt | 60 +90° | 44 +90° | -- | 
| Drive Belt Tensioner Bolt | 50 | 37 | -- | 
| EGR Valve Adapter Brace Nut | 25 | 18 | -- | 
| EGR Valve Adapter Stud | 10 | -- | 89 | 
| EGR Tube Assembly | 25 | 18 | -- | 
| EGR Valve Assembly Nut | 25 | 18 | -- | 
| Electronic Ignition Control Module Assemble Bolt/Stud | 25 | 18 | -- | 
| Electronic Ignition Control Assembly Nut | 25 | 18 | -- | 
| Engine Block Coolant Drain Plug | 19 | 14 | -- | 
| Engine Block Oil Gallery Plug-Center Rear | 16 | 12 | -- | 
| Engine Block Oil Gallery Plug-Rear | 33 | 24 | -- | 
| Engine Block Oil Gallery Plug-Side of Block | 19 | 14 | -- | 
| Engine Coolant Temperature Sensor | 18 | 13 | -- | 
| Engine Motor Mount Frame Nut-Engine Left Side | 43 | 32 | -- | 
| Engine Motor Mount Bracket Nut-Engine Left Side | 43 | 32 | -- | 
| Engine Motor Mount Frame Nut-Engine Right Side | 43 | 32 | -- | 
| Engine Motor Mount Bracket Nut-Engine Right Side | 47 | 35 | -- | 
| Engine Motor Mount Bracket -Front of Block Bolt-Engine Left Side | 103 | 76 | -- | 
| Engine Motor Mount Bracket-Side of Block Bolts-Engine Left Side | 58 | 43 | -- | 
| Engine Motor Mount Bracket-Front of Block Bolts-Engine Right Side | 102 | 75 | -- | 
| Engine Motor Mount Bracket-Side of Block Bolt-Engine Right Side | 58 | 43 | -- | 
| Engine Motor Mount Bracket-Transaxle Bolts-Engine Right Side | 75 | 55 | -- | 
| Engine Mount Strut Bracket Bolt | 80 | 59 | -- | 
| Engine Oil Cooler Connector | 40 | 30 | -- | 
| Engine Oil Level Sensor | 22 | 16 | -- | 
| Evaporator Emission Canister Purge Solenoid Mounting Bracket Bolt | 10 | -- | 89 | 
| Exhaust Manifold Crossover Stud | 9 | -- | 80 | 
| Exhaust Manifold Nut | 13 | -- | 116 | 
| Exhaust Manifold Stud | 17 | 13 | -- | 
| Flywheel Bolt | 82 | 60 | -- | 
| Front Cover Coolant Drain Plug | 25 | 18 | -- | 
| Front Cover Bolts- Large | 47 | 35 | -- | 
| Front Cover Bolts - Small | 27 | 20 | -- | 
| Front Cover-to-Front Engine Lift Hook Bolt | 25 | 18 | -- | 
| Front Engine Lift Hook-to-Right Camshaft Carrier Bolt | 50 | 37 | -- | 
| Front Engine Lift Hook-to-Right Cylinder Head Bolt (Access through Front Cover) | 50 | 37 | -- | 
| Fuel Pipe Clip Bolt | 7 | -- | 62 | 
| Fuel Pipe Retainer Screw | 3 | -- | 27 | 
| Fuel Rail Assembly Bolt | 10 | -- | 89 | 
| Ignition Coil Bolt | 25 | 18 | -- | 
| Ignition Coil Nut | 25 | 18 | -- | 
| Intermediate Drive Shaft Retainer Screw | 10 | -- | 89 | 
| Intermediate Shaft Belt Sprocket Bolt | 130 | 96 | -- | 
| Knock Sensor | 21 | 15 | -- | 
| Lower Intake Manifold Mounting Bolt | 13 | -- | 116 | 
| Manifold Absolute Pressure Sensor Bracket Bolt | 8 | -- | 71 | 
| Oil Cooler Connector | 40 | 30 | -- | 
| Oil Cooler Hose Fitting | 25 | 18 | -- | 
| Oil Distribution Cover Bolt | 27 | 20 | -- | 
| Oil Filter | 16 | 12 | -- | 
| Oil Filter Fitting | 67 | 49 | -- | 
| Oil Level Indicator Bolt | 10 | -- | 89 | 
| Oil Pan Bolt-Except Rear | 11 | -- | 97 | 
| Oil Pan Bolt-Rear (2) | 27 | 20 | -- | 
| Oil Pan Drain Plug | 25 | 18 | -- | 
| Oil Pan Nut | 11 | -- | 97 | 
| Oil Pan Stud-to-Cylinder Block | 10 | -- | 89 | 
| Oil Pressure Switch | 32 | 24 | -- | 
| Oil Pump Cover Bolt | 10 | -- | 89 | 
| Oil Pump Drive Clamp Bolt | 36 | 27 | -- | 
| Oil Pump-to-Rear Main Cap Bolt | 54 | 40 | -- | 
| Power Brake Booster Vacuum Pipe Fitting | 18 | 13 | -- | 
| Rear Engine Mount Strut Bracket Bolt | 82 | 60 | -- | 
| Secondary Air Injection Pipe | 25 | 18 | -- | 
| Secondary Air Injection Pipe Nut-Left Side | 25 | 18 | -- | 
| Secondary Air Injection Pipe Support Bolt | 10 | -- | 89 | 
| Secondary Air Injection Pipe Nut-Right Side | 10 | -- | 89 | 
| Serpentine Drive belt tensioner bolt | 50 | 37 | -- | 
| Spark Plug | 20 | 15 | -- | 
| Throttle Body Adapter Bolt | 25 | 18 | -- | 
| Throttle Body Adapter Nut | 25 | 18 | -- | 
| Throttle Body Heater Outlet Hose Nipple | 18 | 13 | -- | 
| Throttle Body Stud | 4 | -- | 36 | 
| Throttle Body Bolt | 10 | -- | 89 | 
| Tie Bar Bracket | 26 | 19 | -- | 
| Timing Belt Cover Bolt | 10 | -- | 89 | 
| Timing Belt Idler Pulley Bolt | 50 | 37 | -- | 
| Timing Belt Tensioner Actuator Bracket Bolt | 50 | 37 | -- | 
| Timing Belt Tensioner Actuator Pulley Pivot Bolt | 50 | 37 | -- | 
| Timing Belt Tenisoner Actuator Side Plate Bolt | 27 | 20 | -- | 
| Timing Chain Tensioner Bolt | 27 | 20 | -- | 
| Engine Mount Strut and Engine Lift Bracket Bolt | 70 | 52 | -- | 
| Upper Intake Manifold Retaining Bolt | 26 | 19 | -- | 
| Water Inlet Fitting to Front Cover | 27 | 20 | -- | 
| Vacuum Source Manifold Mounting Bolt | 7 | -- | 62 |