Home/Lexus/LX/Lexus LX J100 (1998-2002)/Repair manual/Mechanical/Engine Mechanical (4.7L V8): Specifications
Contents Wiring diagrams Section: Mechanical All sections

Engine Mechanical (4.7L V8): Specifications Lexus LX J100

Crankcase Capacity

Crankcase capacity with oil filter is 7.2 qts. (6.8L).

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Accessory Drive Belt Idler Pulley Bolt27 (37)
Accessory Drive Belt Tensioner Bolt/Nut12 (16)
A/C Compressor Bolt36 (49)
Camshaft Bearing Cap Bolt(1)
Camshaft Sprocket Bolt80 (109)
Connecting Rod Bolt
Step 118 (24)
Step 2Additional 90 Degrees
Coolant Inlet Housing Assembly Bolt13 (18)
Cooling Fan Bracket Bolt/Nut
Large Bolt/Nut24 (33)
Small Bolt/Nut12 (16)
Cooling Fan-To-Cooling Fan Bracket Nut16 (22)
Crankshaft Pulley Bolt181 (245)
Crossmember Bolt37 (50)
Cylinder Head Bolt (2)
Step 124 (33)
Step 2Additional 90 Degrees
Step 3Additional 90 Degrees
Drive Shaft Flange Bolt/Nut
Front Drive Shaft59 (80)
Rear Drive Shaft78 (106)
Engine Hanger Bolt27 (37)
Engine Mount-To-Frame Bolt/Nut22 (30)
Exhaust Manifold Nut32 (43)
Flywheel/Drive Plate Bolt
Step 136 (49)
Step 2Additional 90 Degrees
Front Coolant By-Pass Joint Nut13 (18)
Front Exhaust Pipe-To-Center Exhaust Pipe Bolt/Nut30 (41)
Front Exhaust Pipe-To-Exhaust Manifold Nut46 (62)
Front Fuel Pipe-To-Fuel Rail Union Bolt29 (39)
Fuel Pulsation Damper29 (39)
Fuel Rail-To-Lower Intake Manifold Nut13 (18)
Generator Mounting Bolt/Nut29 (39)
Lower Intake Manifold-To-Cylinder Head Bolt/Nut13 (18)
Main Bearing Cap Bolt (3)
Step 120 (27)
Step 2Additional 90 Degrees
No. 1 Idler Pulley Bolt25 (34)
No. 1 Oil Pan Bolt/Nut
10-mm Bolt Head(4)
12-mm Bolt Head21 (29)
No. 2 Idler Pulley Bolt25 (34)
No. 2 Oil Pan Drain Plug29 (39)
No. 2 Timing Belt Cover Bolt12 (16)
Oil Cooler Union Bolt51 (69)
Oil Filter Mounting Bracket Bolt/Nut13 (18)
Oil Pump-To-Cylinder Block Bolt
14-mm Bolt Head22 (30)
All Others11 (15)
Oxygen Sensor-To-Front Exhaust Pipe Nut15 (20)
Power Steering Pump Mounting Bolt13 (18)
Rear Coolant By-Pass Joint Nut13 (18)
Spark Plug13 (18)
Stabilizer Bar Link-To-Lower Control Arm Bolt38 (52)
Stabilizer Bar Link-To-Stabilizer Bar Nut18 (24)
Stabilizer Bar Mount-To-Frame Bolt13 (18)
Timing Belt Tensioner Bolt19 (26)
Torque Converter Bolt35 (47)
Transmission Mount-To-Crossmember Nut54 (73)
Transmission-To-Cylinder Block Bolt
Large Bolt53 (72)
Small Bolt27 (37)
Upper Intake Manifold-To-Lower Intake Manifold Bolt13 (18)
Water Pump Bolt15 (20)
Water Pump Nut13 (18)
Water Pump Stud Bolt13 (18)
INCH Lbs. (N.m)
Baffle Plate Bolt/Nut66 (7.5)
Camshaft Position Sensor Bolt & Stud Bolt66 (7.5)
Crankshaft Position Sensor Bolt58 (6.6)
Front Fuel Pipe Clamp Bolt66 (7.5)
Fuel Return Pipe-To-Fuel Rail Clamp Bolt66 (7.5)
Ignition Coil Bolt66 (7.5)
Intake Manifold Cover Bracket Bolt66 (7.5)
No. 2 Oil Pan Bolt/Nut66 (7.5)
No. 3 Timing Belt Cover Bolt/Nut66 (7.5)
Oil Pump Body Cover Screw88 (9.9)
Oil Pump Pick-Up Tube Bolt/Nut66 (7.5)
Rear Oil Seal Housing-To-Cylinder Block Bolt71 (8.0)
Timing Belt Rear Plate Bolt66 (7.5)
Valve Cover Bolt53 (6.0)
(1) Tighten bolts to specification in sequence. (Схема №33) Tighten bolt "C" to 69 INCH lbs. (7.8 N.m). Tighten all other bolts to 12 ft. lbs. (16 N.m). (2) Tighten bolts to specification in sequence. (Схема №13) (3) Tighten bolts to specification in sequence. (Схема №44) (4) Tighten to 66 INCH lbs. (7.5 N.m).
(1)Tighten bolts to specification in sequence. (Схема №33) Tighten bolt "C" to 69 INCH lbs. (7.8 N.m). Tighten all other bolts to 12 ft. lbs. (16 N.m).
(2)Tighten bolts to specification in sequence. (Схема №13)
(3)Tighten bolts to specification in sequence. (Схема №44)
(4)Tighten to 66 INCH lbs. (7.5 N.m).

TORQUE SPECIFICATIONS

GENERAL SPECIFICATIONS

ApplicationSpecification
Displacement285 Cu. In. (4.7L)
Bore3.70" (94.0 mm)
Stroke3.31" (84.0 mm)
Compression Ratio9.6:1
Fuel SystemSFI

GENERAL SPECIFICATIONS

CRANKSHAFT, MAIN BEARINGS & CONNECTING ROD BEARINGS SPECIFICATIONS

ApplicationIn. (mm)
Crankshaft
End Play
Standard.0008-.0087 (.020-.220)
Wear Limit.0118 (.300)
Maximum Runout.0031 (.080)
Main Bearings
Journal Diameter (1)
Size Mark "00"2.63779 (67.0000)
Size Mark "01"2.63775 (66.9990)
Size Mark "02"2.63771 (66.9980)
Size Mark "03"2.63767 (66.9970)
Size Mark "04"2.63763 (66.9960)
Size Mark "05"2.63759 (66.9950)
Size Mark "06"2.63755 (66.9940)
Size Mark "07"2.63751 (66.9930)
Size Mark "08"2.63747 (66.9920)
Size Mark "09"2.63743 (66.9910)
Size Mark "10"2.63739 (66.9900)
Size Mark "11"2.63735 (66.9890)
Size Mark "12"2.63731 (66.9880)
Journal Out-Of-Round & Taper.0008 (.020)
Oil Clearance
Standard.0016-.0023 (.040-.058)
Wear Limit.0028 (.070)
Connecting Rod Bearings
Journal Diameter (2)
Size Mark "1"2.0470-2.0472 (51.994-52.000)
Size Mark "2"2.0468-2.0470 (51.988-51.994)
Size Mark "3"2.0465-2.0468 (51.982-51.988)
Journal Out-Of-Round & Taper.0008 (.020)
Oil Clearance
Standard.0011-.0021 (.027-.053)
Wear Limit.0026 (.065)
(1) Main bearing journal diameter is determined by size mark stamped on counterweight on crankshaft. (Схема №45) (2) Connecting rod journal diameter is determined by size mark on crankshaft. (Схема №42)
(1)Main bearing journal diameter is determined by size mark stamped on counterweight on crankshaft. (Схема №45)
(2)Connecting rod journal diameter is determined by size mark on crankshaft. (Схема №42)

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

CONNECTING RODS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter
Bushing Pin Bore.8663-.8667 (22.005-22.014)
Crankpin Bore (1)
Size Mark "1"2.1654-2.1656 (55.000-55.006)
Size Mark "2"2.1656-2.1658 (55.006-55.012)
Size Mark "3"2.1658-2.1661 (55.012-55.018)
Size Mark "4"2.1661-2.1663 (55.018-55.024)
Maximum Bend.0020 Per 3.94 (.050 Per 100.0)
Maximum Twist.0059 Per 3.94 (.150 Per 100.0)
Side Play
Standard.0063-.0114 (.160-.290)
Wear Limit.0138 (.350)
(1) Crankpin bore diameter is determined by size mark on connecting rod cap. (Схема №42)
(1)Crankpin bore diameter is determined by size mark on connecting rod cap. (Схема №42)

CONNECTING RODS

PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS

ApplicationIn. (mm)
Pistons
Clearance
Standard.0035-.0044 (.090-.111)
Wear Limit.0051 (.130)
Diameter (1)
Size Mark "1"3.6969-3.6973 (93.902-93.912)
Size Mark "2"3.6973-3.6976 (93.912-93.920)
Size Mark "3"3.6976-3.6980 (93.920-93.930)
Pins
Diameter.8660-.8664 (21.997-22.006)
Piston Fit(2)
Rod Fit
Standard.0002-.0004 (.005-.011)
Wear Limit.0020 (.050)
Rings
No. 1
End Gap
Standard.0118-.0197 (.300-.500)
Wear Limit.0433 (1.100)
Side Clearance.0012-.0031 (.030-.080)
No. 2
End Gap
Standard.0157-.0256 (.400-.650)
Wear Limit.0472 (1.200)
Side Clearance.0012-.0028 (.030-.070)
No. 3 (Oil)
End Gap
Standard.0051-.0189 (.130-.480)
Wear Limit.0453 (1.150)
(1) Piston diameter is determined by size mark stamped on top of piston. (Схема №40) (2) Piston pin should slide into piston using thumb pressure after piston is heated to 140°F (60°C).
(1)Piston diameter is determined by size mark stamped on top of piston. (Схема №40)
(2)Piston pin should slide into piston using thumb pressure after piston is heated to 140°F (60°C).

PISTONS, PINS & RINGS

CYLINDER BLOCK SPECIFICATIONS

ApplicationIn. (mm)
Cylinder Bore
Standard Diameter (1)
Size Mark "1"3.7009-3.7012 (94.002-94.010)
Size Mark "2"3.7012-3.7017 (94.010-94.023)
Size Mark "3"3.7017-3.7020 (94.023-94.031)
Maximum Deck Warpage.0028 (.070)
Maximum Main Bearing Cap Area Warpage.0028 (.070)
Main Bearing Bore I.D. (2)
Size Mark "00"2.83464 (72.0000)
Size Mark "01"2.83467 (72.0010)
Size Mark "02"2.83471 (72.0020)
Size Mark "03"2.83475 (72.0030)
Size Mark "04"2.83479 (72.0040)
Size Mark "05"2.83483 (72.0050)
Size Mark "06"2.83487 (72.0060)
Size Mark "07"2.83491 (72.0070)
Size Mark "08"2.83495 (72.0080)
Size Mark "09"2.83499 (72.0090)
Size Mark "10"2.83503 (72.0100)
Size Mark "11"2.83507 (72.0110)
Size Mark "12"2.83511 (72.0120)
Size Mark "13"2.83515 (72.0130)
Size Mark "14"2.83519 (72.0140)
Size Mark "15"2.83523 (72.0150)
Size Mark "16"2.83526 (72.0160)
(1) Cylinder bore diameter is determined by size mark on cylinder block deck surface. (Схема №40) Maximum cylinder bore diameter is 3.7098" (94.230 mm). (2) Main bearing bore diameter is determined by size mark stamped on flange of cylinder block. (Схема №45)
(1)Cylinder bore diameter is determined by size mark on cylinder block deck surface. (Схема №40) Maximum cylinder bore diameter is 3.7098" (94.230 mm).
(2)Main bearing bore diameter is determined by size mark stamped on flange of cylinder block. (Схема №45)

CYLINDER BLOCK

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Intake Valves
Face Angle44.5°
Minimum Margin.020" (.50 mm)
Minimum Refinish Length3.7224" (94.550 mm)
Stem Diameter.2154-.2159" (5.470-5.485 mm)
Exhaust Valves
Face Angle44.5°
Minimum Margin.020" (.50 mm)
Minimum Refinish Length3.7244" (94.600 mm)
Stem Diameter.2152-.2157" (5.465-5.480 mm)
Valve Springs
Free Length2.130" (54.10 mm)
Out-Of-Square.079" (2.00 mm)
Lbs. @ In. (kg @ mm)
Pressure46-51 @ 1.378 (20.8-23.1 @ 35.00)

VALVES & VALVE SPRINGS

CYLINDER HEAD SPECIFICATIONS

ApplicationSpecification
Maximum Warpage
Cylinder Block & Manifold Surfaces.0039" (.100 mm)
Valve Seats
Intake Valve
Seat Angle45°
Seat Width.039-.055" (1.00-1.40 mm)
Exhaust Valve
Seat Angle45°
Seat Width.039-.055" (1.00-1.40 mm)
Valve Guides
Intake Valve
Valve Guide Cylinder Head Bore I.D.
Standard Valve Guide.4049-.4057" (10.285-10.306 mm)
Oversize Valve Guide.4069-.4077" (10.335-10.356 mm)
Valve Guide I.D..2169-.2177" (5.510-5.530 mm)
Valve Guide Installed Height.362-.386" (9.20-9.80 mm)
Valve Stem-To-Guide Oil Clearance
Standard.0010-.0024" (.025-.060 mm)
Wear Limit.0031" (.080 mm)
Exhaust Valve
Valve Guide Cylinder Head Bore I.D.
Standard Valve Guide.4049-.4057" (10.285-10.306 mm)
Oversize Valve Guide.4069-.4077" (10.335-10.356 mm)
Valve Guide I.D..2169-.2177" (5.510-5.530 mm)
Valve Guide Installed Height.323-.346" (8.20-8.80 mm)
Valve Stem-To-Guide Oil Clearance
Standard.0012-.0026" (.030-.065 mm)
Wear Limit.0039" (.100 mm)

CYLINDER HEAD

CAMSHAFT SPECIFICATIONS

ApplicationIn. (mm)
End Play
Intake Camshaft
Standard.0016-.0035 (.040-.090)
Wear Limit.0047 (.120)
Exhaust Camshaft
Standard.0016-.0033 (.040-.085)
Wear Limit.0047 (.120)
Gear Backlash
Standard.0008-.0079 (.020-.200)
Wear Limit.0118 (.300)
Journal Diameter1.0612-1.0618 (26.954-26.970)
Journal Runout.0031 (.080)
Lobe Height
Intake
Standard1.6512-1.6551 (41.940-42.040)
Wear Limit1.6453 (41.790)
Exhaust
Standard1.6520-1.6559 (41.960-42.060)
Wear Limit1.6461 (41.810)
Oil Clearance
Standard.0012-.0026 (.030-.067)
Wear Limit.0039 (.100)

CAMSHAFT

VALVE LIFTERS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter1.2205-1.2211 (31.000-31.016)
Lifter Diameter1.2191-1.2195 (30.966-30.976)
Oil Clearance
Standard.0009-.0020 (.024-.050)
Wear Limit.0028 (.070)

VALVE LIFTERS