Engine Mechanical - 3.5L (Unit Repair): Specifications — Engine Mechanical - 3.5L (Unit Repair) — Mechanical

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
A.I.R.
Manifold Bolt	10 N.m	89 lb in
Control Valve Bolt	25 N.m	18 lb ft
Control Valve Pipe Bolt	9 N.m	80 lb in
Balance Shaft Cover Bolt	12 N.m	106 lb in
Balance Shaft Thrust Plate Bolt	25 N.m	18 lb ft
Camshaft Bearing Cap Bolt
First Pass	8 N.m	71 lb in
Final Pass	+22 degrees
Camshaft Cover Baffle Bolt	5 N.m	44 lb in
Camshaft Cover Bolts	9 N.m	80 lb in
Camshaft Position Sensor Bolt	9 N.m	80 lb in
Camshaft Sprocket Bolt
First Pass	25 N.m	18 lb ft
Final Pass	+45 degrees
Connecting Rod Bolt
First Pass	30 N.m	22 lb ft
Second Pass	Back to zero
Third Pass	25 N.m	18 lb ft
Final Pass	+ 110 degrees
Coolant Drain Plug
Engine Block	14 N.m	124 lb in
Front Cover	10 N.m	89 lb in
Coolant Outlet Assembly Bolt	24 N.m	18 lb ft
Coolant Temperature Sensor	20 N.m	15 lb ft
Crankshaft Balancer Bolt
First Pass	50 N.m	37 lb ft
Final Pass	+120 degrees
Crankshaft Position Sensor	9 N.m	80 lb in
Cylinder Head Bolt (M11) (In Sequence)
First Pass	40 N.m	30 lb ft
Second Pass	+100 degrees
Final Pass	+100 degrees
Cylinder Head Bolt (M6)
Long	12 N.m	106 lb in
Short	12 N.m	106 lb in
Cylinder Head Water Jacket Hole Plug	80 N.m	59 lb ft
Drive Belt Idler Pulley/Generator Bolt	50 N.m	37 lb ft
Drive Belt Tensioner Bolt	50 N.m	37 lb ft
EGR Valve Bolt	24 N.m	18 lb ft
EGR
Inlet Pipe Bolt	28 N.m	21 lb ft
Inlet Pipe Nut	60 N.m	44 lb ft
Outlet Pipe to Intake Manifold Bolt	10 N.m	89 lb in
Outlet Pipe to Water Crossover Bolt	24 N.m	18 lb ft
Valve Bolt	24 N.m	18 lb ft
Wire Harness Heat Shield Nut	25 N.m	18 lb ft
Engine Coolant Heater Bolt	9 N.m	80 lb in
Engine Front Cover Bolt	14 N.m	124 lb in
EVAP Emission Canister Purge Solenoid Valve Bolt	10 N.m	89 lb in
Exhaust Crossover Pipe to Left Exhaust Manifold Stud	25 N.m	18 lb ft
Exhaust Manifold Bolt	25 N.m	18 lb ft
Exhaust Manifold Heat Shield Bolt	9 N.m	80 lb in
Fuel Injector Sight Shield Bracket Bolt	8 N.m	71 lb in
Fuel Injector Sight Shield Nut	3 N.m	27 lb in
Flywheel Bolt
First Pass	15 N.m	11 lb ft
Final Pass	+50 degrees
Heater Outlet Pipe Bolt	12 N.m	106 lb in
Ignition Coil Pack Bolt	9 N.m	80 lb in
Intake Manifold Bolt/Stud	10 N.m	89 lb in
Jumper Harness Bracket Bolt	15 N.m	11 lb ft
Knock Sensor	15 N.m	11 lb ft
Lift Bracket
Front - Bolt (Hex Head)	50 N.m	37 lb ft
Front - Bolt (Internal TORX® Drive)	25 N.m	18 lb ft
Rear - Bolts	50 N.m	37 lb ft
Lower Crankcase to Block (Outer Bolts)	30 N.m	22 lb ft
Lower Crankcase Bolt/Stud (In Sequence)
First Pass	20 N.m	15 lb ft
Final Pass	+70 degrees
Oil Filter Cap	25 N.m	18 lb ft
Oil Gallery Plug
Cylinder Head	60 N.m	44 lb ft
Lower Crankcase	65 N.m	48 lb ft
Oil Level Indicator Tube Bolt	9 N.m	80 lb in
Oil Level Sensor	9 N.m	80 lb in
Oil Pan Bolt	25 N.m	18 lb ft
Oil Pan Drain Plug	20 N.m	15 lb ft
Oil Pressure Switch	10 N.m	89 lb in
Oil Pump Cover Bolt	14 N.m	124 lb in
Oil Pump Pressure Relief Valve Cap	11 N.m	97 lb in
Oil Pump Suction Pipe to Oil Pump Bolt	10 N.m	89 lb in
Oil Pump Suction Pipe to Lower Crankcase Stud - Nut	10 N.m	89 lb in
Oil Pump to Cylinder Block Bolt	25 N.m	18 lb ft
Oxygen Sensor (Exhaust Manifold)	41 N.m	30 lb ft
Powertrain Brace Bolt	50 N.m	37 lb ft
Primary Timing Chain
Guide Access Plug	5 N.m	44 lb in
Guide Bolt	25 N.m	18 lb ft
Tensioner Bolt	25 N.m	18 lb ft
Tensioner Shoe Bolt	25 N.m	18 lb ft
Primary Timing Chain Oil Tube to Cylinder Block Bolt	9 N.m	80 lb in
Purge Solenoid Bolt	8 N.m	71 lb in
Secondary Timing Chain Tensioner Bolt	12 N.m	106 lb in
Spark Plugs	20 N.m	15 lb ft
Thermostat Housing Bolt	9 N.m	80 lb in
Throttle Body
Accelerator Cable Bracket Bolt	10 N.m	89 lb in
Accelerator Cable Bracket Nut	12 N.m	106 lb in
Nut	12 N.m	106 lb in
Throttle Body Adapter Heater Plate Stud	8 N.m	71 lb in
Torque Strut Bracket Bolt-Rear Bracket	50 N.m	37 lb ft
Transaxle Bending Brace Bolt	50 N.m	37 lb ft
Water Crossover to Cylinder Block Bolt	25 N.m	18 lb ft
Water Crossover to Cylinder Head Bolt	25 N.m	18 lb ft
Water Pump Bolt	14 N.m	124 lb in
Water Pump Pulley Bolt	12 N.m	106 lb in

FASTENER TIGHTENING SPECIFICATIONS

Engine Mechanical Specifications

Application		Specification
Application		Metric	English
General
	Engine Type	V-6
	Displacement	3.5 Liter	212 cu in
	RPO	LX5
	VIN ID	H
	Bore	89.5 mm @ 39 mm from deck surface	3.523 in @ 1.56 in from deck surface
	Stroke	92 mm	3.622 in
	Compression Ratio	9.3:1
	Compression Pressure at Cranking Speed (Throttle Open)	965-1172 kPa	140-170 psi
	Power	160 kW @ 5600 RPM	215 hp @ 5600 RPM
	Torque	317 N.m @ 4400 RPM	234 lb ft @ 4400 RPM
	Redline	6500 RPM
	Fuel Shutoff	6700 RPM
	Firing Order	1-2-3-4-5-6
Balance Shaft
	Bearing Clearance	0.015-0.077 mm	0.0006-0.0030 in
	Bearing Journal Diameter	50.787-50.813 mm	1.9995-2.0005 in
	Bearing Diameter	50.838-50.864 mm	2.001-2.0025 in
	Thrust Plate to Balance Shaft Clearance	0.068-0.170 mm	0.0027-0.0067 in
Camshaft
	Material	Cast Ductile Iron with Hardened Lobes
	Number of Bearings	4
	Bearing Journal Diameter	26.948-26.972 mm	1.061-1.062 in
	Bearing Bore Diameter (In Head)	27.013-27.033 mm	1.0635-1.0642 in
	Bearing Clearance
	New Limits	0.041-0.085 mm	0.0016-0.0033 in
	Worn Limits (Not Over)	0.085 mm	0.003 in
	Thrust Bearing Clearance to Number 1 Camshaft Cap	0.05-0.29 mm	0.002-0.011 in
	Out-of-Round (Not Over)	0.007 mm	0.0002 in
	Camshaft Runout from Center Journals to End Journals (Not Over)	0.05 mm	0.002 in
	Valve Timing
	Intake Centerline	112 degrees ATDC
	Exhaust Centerline	104 degrees BTDC
	Valve Lift
	Intake	10.5 mm	0.413 in
	Exhaust	10.0 mm	0.394 in
Camshaft Drive
	Primary Drive Type	Endless Chain
	Adjustment	Hydraulic Pressure (Automatic)
	Pitch	8 mm	0.315 in
	Width	12.3 mm	0.484 in
	Secondary Drive Type	Endless Chain
	Adjustment	Hydraulic Pressure (Automatic)
	Pitch	8 mm	0.315 in
	Width	12.3 mm	0.484 in
Connecting Rods
	Connecting Rod Material	Forged Powdered Metal
	Bearing Material	Aluminum
	Clearance Between Bearing and Crankshaft
	New Limits	0.025-0.057 mm	0.0009-0.002 in
	Worn Limits (Not Over)	0.065 mm	0.0025 in
	Lower End Diameter without Bearing	59.134-59.154 mm	2.328-2.329 in
	Piston Pin Bore Diameter without Bushing	23.453-23.493 mm	0.923-0.925 in
	Center to Center Length	153.4 mm	6.039 in
	Side Clearance on Crankshaft	0.11-0.33 mm	0.004-0.013 in
Crankshaft and Crankshaft Bearings
	Crankshaft Material	Cast Ductile Iron with Undercut and Rolled Fillets
	Main Bearing Clearance Limit - New Limit	0.017-0.047 mm	0.0006-0.0018 in
	Main Bearing Clearance Limit - Worn Limit	0.055 mm	0.0021 in
	Main Bearing Journal Diameter	69.994-70.006 mm	2.755-2.756 in
	Main Bearing Journal Out-of-Round (Not Over)	0.004 mm	0.00016 in
	Main Bearing Journal Taper	0.004 mm	0.00015 in
	Main Bearing Journal Length - No. 1	23.75 mm	0.9350 in
	Main Bearing Journal Length - No. 2	24.00 mm	0.9449 in
	Main Bearing Journal Length - No. 3	25.50 mm	1.0039 in
	Main Bearing Journal Length - No. 4	24.00 mm	0.9449 in
	Crankpin Journal Diameter	55.448-55.462 mm	2.1829-2.1835 in
	Maximum Crankpin Journal Out-of-Round	0.004 mm	0.00016 in
	Maximum Crankpin Journal Taper	0.004 mm	0.00016 in
	End Play in Crankshaft - New Limits	0.13-0.37 mm	0.005-0.014 in
	End Play in Crankshaft - Worn Limits	0.5 mm	0.020 in
	Flywheel Pilot Runout	0.025 mm	0.001 in
	Rear Crankshaft Seal Diameter	95.88-95.98 mm	3.77-3.78 in
Cylinder Block
	Material	Aluminum with Gray Iron Cast-in Sleeves
	Bore	89.5 mm @ 41 mm from deck surface	3.523 in @ 1.614 in from deck surface
	Stroke	92 mm	3.622 in
	Bore Spacing - Centerline to Centerline	102.0 mm	4.016 in
	Deck Height	228.0 mm	8.976 in
	Deck Clearance	0.60 mm Below Deck	0.0236 in Below Deck
	Length	442.65 mm	17.427 in
	Piston Clearance @ 41 mm (1.614 in) from Deck Face	0.028-0.062 mm	0.001-0.0025 in
	Deck Face Flatness - Maximum (No Resurfacing Allowed)	0.101 mm	0.004 in
	Cylinder Bore Out-of-Round
	New	0.010 mm	0.0004 in
	Maximum Allowed	0.100 mm	0.004 in
	Cylinder Bore Taper
	New	0.010 mm	0.0004 in
	Maximum Allowed	0.100 mm	0.004 in
Crankshaft Bearing Bore (Mains), Diameter		78.073-78.085 mm	3.0737-3.0742 in
Crankshaft Rear Seal Bore, Diameter		115.962-116.038 mm	4.5654-4.5684 in
Runout - Maximum Allowed		0.250 mm	0.0098 in
Cylinder Head
	Type	DOHC-4 Valves Per Cylinder
	Material	Aluminum
	Combustion Chamber Volume	56.0 cc	3.417 cu in
	Cylinder Head Flatness Maximum Without Resurfacing	0.05 mm	0.002 in
	Worn Limit	0.20 mm	0.008 in
	Valves
	Valve Stem to Guide Clearance, New Limits - Intake (Constant Top to Bottom)	0.028-0.068 mm	0.001-0.003 in
	Valve Stem to Guide Clearance, New Limits - Exhaust (Constant Top to Bottom)	0.028-0.068 mm	0.001-0.003 in
	Intake Worn Limits (Not Over)	0.068 mm	0.003 in
	Exhaust Worn Limits (Not Over)	0.068 mm	0.003 in
	Head Diameter
	Intake	36.2 mm	1.42 in
	Exhaust	28 mm	1.10 in
	Valve Face Angle	45 degrees
	Valve Seat Angle (In Head)	45.75 degrees
	Valve Seat Width (In Head)
	Intake	0.420-0.820 mm	0.0165-0.0322 in
	Exhaust	1.300-1.700 mm	0.0511-0.0668 in
	Seat Eccentricity Runout, Maximum (In Head)	0.05 mm	0.002 in
	Valve Face Runout	0.038 mm	0.0014 in
	Valve Margin
	Intake	0.900 mm	0.0354 in
	Exhaust	1.100 mm	0.0432 in
	Stem Diameter - Intake and Exhaust	5.920-5.941 mm	0.2331-0.2339 in
	Valve Guide Diameter (In Head)	5.969-5.989 mm	0.2350-0.2358 in
	Valve Length
	Intake	110.60-110.86 mm	4.354-4.364 in
	Exhaust	91.73-91.99 mm	3.611-3.621 in
Oil System
	Oil Pump Type	Gerotor
	Minimum Pressure at Normal Operating Temperature @ Idle	55 kPa	8 ps
	Minimum Pressure at Normal Operating Temperature @ 2000 RPM	200 kPa	29 psi
	Oil Pressure Recirculation	Internal Piston Valve
	Oil Filter Type	Cartridge - Integral to Oil Pan
	Oil Capacity with Filter	5.678 L	6 Quarts
Piston Rings - Clearance Between Rings and Sides of Groove in Piston
	Compression Rings	0.040-0.095 mm	0.0016-0.0037 in
	Oil Rings	None-Side Sealing
Piston Rings - Gap Between Ends
	Top Compression Ring	0.25-0.40 mm	0.010-0.016 in
	Second Compression Ring	0.35-0.50 mm	0.014-0.020 in
	Oil Rings	0.25-0.76 mm	0.010-0.030 in
	Number of Compression Rings	2
	Number of Oil Rings	2 Rails - 1 Expander
Piston Rings - Width of Groove Ring
	Top Ring	1.230-1.255 mm	0.048-0.049 in
	Second Ring	1.530-1.555 mm	0.060-0.061 in
	Oil Ring	2.530-2.555 mm	0.099-0.100 in
Pistons
	Piston Material	Aluminum
	Piston Clearance @ 38 mm (1.496 in) from Top of Piston	89.446-89.464 mm	3.521-3.522 in
	Piston Pin Diameter	20.995-21.000 mm	0.8265-0.8267 in
	Piston Pin Bore Diameter	21.004-21.011 mm	0.8269-0.8272 in
	Piston Pin to Piston Clearance	0.004-0.016 mm	0.0001-0.0006 in
	Pin Retention	Snap Rings (2)
Rocker Arms (Followers)
	Type	End Pivot Roller
	Ratio	1.68 to 1
	Roller Diameter	17.740-17.800 mm	0.6984-0.7008 in
Valve Lifters
	Type	Stationary Hydraulic
	Diameter	11.979-11.993 mm	0.4716-0.4721 in
	Lifter Bore Diameter (In Head)	12.008-12.030 mm	0.4727-0.4736 in
	Clearance	0.037-0.041 mm	0.0014-0.0016 in
Valve Springs
	Length Installed	35 mm	1.3780 in
	Free	40.790-43.690 mm	1.6059-1.7201 in
	Valve Closed	35 mm	1.3780 in
	Valve Open
	Intake	24.500 mm	0.9646 in
Exhaust	25.000 mm	0.9842 in
Force, Valve Closed @ 35 mm (1.3780 in)	211.4-233.4 N	47.5-52.5 lb
Valve Open @ 24.500 mm (0.9646 in)	579.0-631.0 N	130.2-141.9 lb
Diameter Inside	17.750-18.250 mm	0.6988-0.7185 in
Outside	26.23 mm	1.0327 in
Wire (Ovate)	4.110 x 3.280 mm	0.1618 x 0.1291 in
	Coil Direction	Clockwise
	Total Number of Coils	6.90-7.10
	Identifier	Orange

ENGINE MECHANICAL SPECIFICATIONS

Scheme 39

Scheme 39: Sealers, Adhesives, and Lubricants

Scheme 40

Scheme 40: Thread Repair Specifications

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Scheme 95: Disassembled Views

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Torque Values and/or Fastener Tightening Strategies

The torque angle specification has changed for the cylinder head bolts. Refer to Fastener Tightening Specifications , Cylinder Head Installation - Left and Cylinder Head Installation - Right .

The redesigned lower primary camshaft drive chain guide is retained to the block with shouldered bolts.

Changed Engine Specifications

The engine specifications for engine unit repair have not changed for 2002.

Engine Mechanical - 3.5L (Unit Repair): Specifications Oldsmobile Aurora II