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Engine Mechanical (3.4L V6): Specifications Toyota 4Runner III

Mechanical

Crankcase Capacity

For crankcase capacity with oil filter, see CRANKCASE CAPACITIES table.

ApplicationQts. (L)
Tacoma
2WD6.2 (5.8)
4WD5.5 (5.2)
Tundra
With Oil Filter Change5.5 (5.2)
Without Oil Filter Change5.2 (4.9)
4Runner5.5 (5.2)
(1) Approximate capacity listed with oil filter.
(1)Approximate capacity listed with oil filter.

CRANKCASE CAPACITIES (1)

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
A/C Compressor Bolt13 (18)
A/C Compressor Mounting Bracket Bolt35 (47)
Air Intake Chamber Bolt/Nut13 (18)
Air Intake Chamber Support Brace Bolt30 (41)
Camshaft Bearing Cap Bolt (1)12 (16)
Camshaft Sprocket Retaining Bolt81 (110)
Center Bearing Support Bolt
Tacoma 2WD & Tundra 2WD27 (37)
Connecting Rod Nut
Step 118 (24)
Step 2Additional 90 Degrees
Crankshaft Pulley Bolt184 (249)
Crossover Pipe Nut33 (45)
Cylinder Head Bolt
12-Point Bolt (2)
Step 125 (34)
Step 2Additional 90 Degrees
Step 3Additional 90 Degrees
Recessed Bolt13 (18)
Drive Shaft Flange-To-Front Differential Flange Bolt/Nut54 (73)
Drive Shaft Flange-To-Rear Differential Flange Bolt/Nut54 (73)
Drive Shaft Flange-To-Transfer Case Flange Bolt/Nut54 (73)
EGR Pipe Nut
Nut At Clamp On EGR Pipe(3)
Nut At End Of EGR Pipe14 (19)
Engine Hanger-To-Hoist Bolts30 (41)
Engine Mount-To-Frame Bolt/Nut28 (38)
Exhaust Manifold Nut30 (41)
Flywheel/Drive Plate Bolt
A/T61 (83)
M/T63 (85)
Front Axle Shaft Flange-To-Side Gear Shaft Flange Nut
Tundra 4WD61 (83)
Front Crossmember Bolt/Nut
Tundra 4WD93 (126)
Front Differential Mount Bolt
Tacoma 4WD & 4Runner 4WD101 (137)
Tundra 4WD123 (167)
Front Differential Rear Mount Bolt/Nut
Tundra 4WD108 (146)
Front Differential Rear Mount Nut
Tacoma 4WD & 4Runner 4WD64 (87)
Front Exhaust Pipe-To-Catalytic Converter Bolt
Tacoma & Tundra35 (47)
Front Exhaust Pipe Support Bracket Bolt33 (45)
Front Exhaust Pipe-To-Crossover Pipe Nut46 (62)
Front Exhaust Pipe-To-Rear Exhaust Bolt
4Runner35 (47)
Fuel Crossover Pipe Union Bolt25 (34)
Fuel Inlet Pipe-To-Fuel Rail Union Bolt25 (34)
Generator Mounting Bracket Bolt14 (19)
Intake Air Connector Bolt/Nut13 (18)
Intake Manifold Bolt/Nut13 (18)
Intake Manifold Support Brace Bolt13 (18)
Knock Sensor29 (39)
Main Bearing Cap Bolt (4)
Step 145 (61)
Step 2Additional 90 Degrees
No. 1 Idler Pulley Bolt26 (35)
No. 2 Idler Pulley Bolt30 (41)
No. 2 Idler Pulley Bracket Bolts28 (38)
Oil Cooler Union Bolt43 (58)
Oil Pump Bolt(5)
Power Steering Pump Bolt/Nut32 (43)
Power Steering Pump Mounting Bracket Bolt14 (19)
Radiator Mounting Bolts9 (12)
Rear Camshaft Bearing Cap Bolt12 (16)
Rear Engine Mount Bracket Bolts13 (18)
Rear Transmission Mount-To-Crossmember Bolt
Tacoma 2WD, Tundra 2WD & 4Runner 2WD43 (58)
Rear Transmission Mount Bracket-To-Transmission Mount Bolt
Tacoma 2WD, Tundra 2WD & 4Runner 2WD13 (18)
Right Engine Mount Bracket Bolts32 (43)
Spark Plug13 (18)
Stabilizer Bar Mount Bracket-To-Frame Bolt
Tundra 2WD22 (30)
Starter Bolt29 (39)
Thermostat Housing Nut15 (20)
Throttle Body Bolts/Nuts13 (18)
Timing Belt Tensioner Bolt20 (27)
Torque Converter Bolt30 (41)
Transmission-To-Clutch Housing Bolt (M/T)53 (72)
Transmission-To-Cylinder Block Bolt (A/T)53 (72)
Water Pump Bolt15 (20)
INCH Lbs. (N.m)
Camshaft Position Sensor Bolt71 (8.0)
Clutch Release Cylinder Bolt (Tacoma 2WD & Tundra 2WD)106 (12.0)
Crankshaft Rear Oil Seal Housing Bolt71 (8.0)
EGR Pipe-To-Cylinder Head Nut71 (8.0)
Exhaust Manifold Heat Insulator Nut71 (8.0)
Fan Clutch-To-Fan Bracket Nut48 (5.4)
Fuel Inlet Pipe-To-Intake Manifold Clamp Bolt71 (8.0)
Fuel Pressure Regulator Bolt71 (8.0)
Fuel Rail-To-Intake Manifold Bolt115 (13.0)
Ignition Coil-To-Valve Cover Bolt69 (7.8)
Lower Timing Belt Cover Bolt80 (9.0)
Oil Pan Bolt/Nut67 (7.6)
Oil Pump Body Cover Screw89 (10.1)
Oil Pump Pick-Up Tube Bolt/Nut66 (7.5)
Rear Plate-To-Cylinder Head Bolt/Nut71 (8.0)
Rear Timing Belt Cover Bolt80 (9.0)
Stabilizer Bar-To-Lower Control Arm Bolt (Tundra 2WD)115 (13.0)
Upper Timing Belt Cover Bolt80 (9.0)
Valve Cover Bolt53 (6.0)
(1) Tighten bolts to specification in sequence. (Схема №31) (2) Tighten bolts to specification in sequence. (Схема №12) (3) Tighten nut to 71 INCH lbs. (8.0 N.m). (4) Tighten bolts to specification in sequence. (Схема №39) (5) Tighten small bolt at outside left corner of oil pump to 15 ft. lbs. (20 N.m) and all other large bolts to 31 ft. lbs. (42 N.m).
(1)Tighten bolts to specification in sequence. (Схема №31)
(2)Tighten bolts to specification in sequence. (Схема №12)
(3)Tighten nut to 71 INCH lbs. (8.0 N.m).
(4)Tighten bolts to specification in sequence. (Схема №39)
(5)Tighten small bolt at outside left corner of oil pump to 15 ft. lbs. (20 N.m) and all other large bolts to 31 ft. lbs. (42 N.m).

TORQUE SPECIFICATIONS

GENERAL SPECIFICATIONS

ApplicationSpecification
Displacement207 Cu. In. (3.4L)
Bore3.68" (93.4 mm)
Stroke3.23" (82.0 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 (.299)
Runout.0024 (.060)
Main Bearings
Journal Diameter (1)
Size Mark "0"2.5195-2.5197 (63.995-64.000)
Size Mark "1"2.5193-2.5195 (63.990-63.995)
Size Mark "2"2.5191-2.5193 (63.985-63.990)
Journal Out-Of-Round.0008 (.020)
Journal Taper.0008 (.020)
Oil Clearance
No. 1 Journal
Standard Crankshaft Journal
Standard.0008-.0015 (.020-.038)
Wear Limit.0031 (.078)
.010" (.25 mm) Undersize Crankshaft Journal
Standard.0007-.0023 (.017-.058)
Wear Limit.0031 (.078)
Except No. 1 Journal
Standard Crankshaft Journal
Standard.0009-.0017 (.022-.043)
Wear Limit.0031 (.078)
.010" (.25 mm) Undersize Crankshaft Journal
Standard.0009-.0025 (.022-.063)
Wear Limit.0031 (.078)
Connecting Rod Bearings
Journal Diameter2.1648-2.1654 (54.985-55.001)
Journal Out-Of-Round.0008 (.020)
Journal Taper.0008 (.020)
Oil Clearance
Standard Crankshaft Journal
Standard.0009-.0021 (.022-.053)
Wear Limit.0031 (.078)
.010" (.25 mm) Undersize Crankshaft Journal
Standard.0009-.0027 (.022-.068)
Wear Limit.0031 (.078)
(1) Main bearing journal diameter is determined by main bearing journal size mark on the crankshaft. (Схема №40)
(1)Main bearing journal diameter is determined by main bearing journal size mark on the crankshaft. (Схема №40)

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

CONNECTING RODS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter Pin Bushing Bore.8663-.8668 (22.004-22.016)
Maximum Bend.0020 Per 3.940 (.050 Per 100.07)
Maximum Twist.0059 Per 3.940 (.149 Per 100.07)
Side Play
Standard.0059-.0130 (.149-.330)
Wear Limit.0150 (.381)

CONNECTING RODS

PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS

ApplicationIn. (mm)
Pistons
Clearance
Standard.0053-.0061(.134-.154)
Wear Limit.0069 (.175)
Diameter (1)
Size Mark "1"3.6754-3.6758 (93.355-93.365)
Size Mark "2"3.6759-3.6762 (93.367-93.375)
Size Mark "3"3.6763-3.6766 (93.378-93.385)
Pins
Diameter.8660-.8665 (21.996-22.009)
Piston Fit(2)
Rod Fit
Standard.0002-.0004 (.005-.010)
Wear Limit.0020 (.050)
Rings
No. 1
End Gap
Standard.0118-.0197 (.299-.500)
Wear Limit.0433 (1.099)
Side Clearance.0016-.0031 (.040-.078)
No. 2
End Gap
Standard.0157-.0236 (.398-.599)
Wear Limit.0472 (1.198)
Side Clearance.0012-.0028 (.030-.071)
No. 3 (Oil)
End Gap
Standard.0059-.0217 (.149-.551)
Wear Limit.0453 (1.150)
(1) Piston diameter is determined by size mark on top of piston. (Схема №35) (2) Piston pin should slide in piston using thumb pressure when piston is heated to 140°F (60°C).
(1)Piston diameter is determined by size mark on top of piston. (Схема №35)
(2)Piston pin should slide in piston using thumb pressure when piston is heated to 140°F (60°C).

PISTONS, PINS & RINGS

CYLINDER BLOCK SPECIFICATIONS

ApplicationIn. (mm)
Cylinder Bore
Standard Diameter (1)
Size Mark "1"3.6811-3.6815 (93.499-93.510)
Size Mark "2"3.6815-3.6819 (93.510-93.520)
Size Mark "3"3.6819-3.6823 (93.520-93.530)
Main Bearing Bore Inside Diameter (2)
Size Mark "1"2.6776-2.6778 (68.011-68.016)
Size Mark "2"2.6778-2.6780 (68.016-68.021)
Size Mark "3"2.6780-2.6783 (68.021-68.028)
Maximum Deck Warpage.0020 (.050)
(1) Cylinder bore diameter is determine by cylinder bore size mark on cylinder block. (Схема №36) Maximum cylinder bore diameter is 3.6902" (93.731 mm). (2) Main bearing bore inside diameter is determined by main bearing bore size mark on cylinder block. (Схема №40)
(1)Cylinder bore diameter is determine by cylinder bore size mark on cylinder block. (Схема №36) Maximum cylinder bore diameter is 3.6902" (93.731 mm).
(2)Main bearing bore inside diameter is determined by main bearing bore size mark on cylinder block. (Схема №40)

CYLINDER BLOCK

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Intake Valves
Face Angle44.5°
Minimum Margin.020" (.50 mm)
Minimum Refinish Length3.7244" (94.599 mm)
Stem Diameter.2350-.2356" (5.969-5.984 mm)
Exhaust Valves
Face Angle44.5°
Minimum Margin.020" (.50 mm)
Minimum Refinish Length3.7165" (94.399 mm)
Stem Diameter.2348-.2354" (5.963-5.979 mm)
Valve Springs
Free Length1.7630" (44.780 mm)
Out-Of-Square.079" (2.00 mm)
Lbs. @ In. (kg @ mm)
Pressure
Valve Closed42-46 @ 1.311 (19-21 @ 33.29)

VALVES & VALVE SPRINGS

CYLINDER HEAD SPECIFICATIONS

ApplicationSpecification
Maximum Warpage
Cylinder Block Surface.0039" (.099 mm)
Manifold Surface.0039" (.099 mm)
Valve Seats
Intake Valve
Seat Angle45°
Seat Width.039-.055" (.99 -1.39 mm)
Exhaust Valve
Seat Angle45°
Seat Width.039-.055" (.99 -1.39 mm)
Valve Guides
Intake & Exhaust Valves
Valve Guide Cylinder Head Bore I.D.
Standard Valve Guide.4325-.4341" (10.985-11.026 mm)
Oversize Valve Guide.4350-.4361" (11.049-11.076 mm)
Valve Guide I.D..2366-.2374" (6.009-6.029 mm)
Valve Stem-To-Guide Oil Clearance
Intake
Standard.0010-.0024" (.025-.060 mm)
Wear Limit.0031" (.078 mm)
Exhaust
Standard.0012-.0026" (.030-.066 mm)
Wear Limit.0039" (.099 mm)

CYLINDER HEAD

CAMSHAFT SPECIFICATIONS

ApplicationIn. (mm)
End Play
Standard.0013-.0031 (.033-.078)
Wear Limit.0047 (.119)
Journal Diameter1.0610-1.0616 (26.949-26.964)
Journal Runout.0024 (.060)
Lobe Height
Intake
Standard1.6657-1.6697 (42.308-42.410)
Wear Limit1.6598 (42.158)
Exhaust
Standard1.6520-1.6559 (41.960-42.059)
Wear Limit1.6461 (41.810)
Oil Clearance
Standard.0014-.0028 (.035-.071)
Wear Limit.0039 (.099)
Gear Backlash
Standard.0008-.0079 (.020-.200)
Wear Limit.0118 (.299)

CAMSHAFT

VALVE LIFTERS SPECIFICATIONS

ApplicationIn. (mm)
Bore Diameter1.2205-1.2212 (31.000-31.018)
Lifter Diameter1.2191-1.2195 (30.965-30.975)
Oil Clearance
Standard.0009-.0020 (.022-.050)
Wear Limit.0031 (.078)

VALVE LIFTERS

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