Contents Section: Mechanical All sections

Engine Mechanical - 3.4L: Specifications Toyota Tacoma I рестайлинг

Mechanical 3 illustrations

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-To-A/C Compressor Bracket18 (25)
A/C Compressor Bracket-To-Cylinder Block35 (47)
A/F Sensor-To-Front Exhaust Pipe (No. 1)15 (20)
Air Intake Chamber-To-Intake Air Connector13 (18)
Air Intake Chamber Stay-To-Air Intake Chamber13 (18)
Air Intake Chamber Stay-To-Left Cylinder Head30 (40)
Camshaft Bearing Cap-To-Cylinder Head (1)12 (16)
Camshaft Timing Pulley-To-Camshaft81 (110)
Connecting Rod Cap-To-Connecting Rod
Step 118 (25)
Step 2(2)
Crankshaft Pulley-To-Crankshaft218 (295)
Cylinder Head-To-Cylinder Block (3)
12 Point Head
Step 125 (34)
Step 2(2)
Step 3(2)
Recessed Head13 (18)
Drive Plate-To-Crankshaft61 (83)
Engine Coolant Drain Cock-To-Cylinder Block29 (39)
Engine Front Mounting Insulator-To-Frame28 (38)
Engine Hanger (No. 2)-To-Right Cylinder Head33 (45)
Engine Mounting Bracket-To-Cylinder Block32 (44)
Engine Rear Mounting Bracket-To-Engine Rear Mounting Insulator13 (18)
Exhaust Crossover Pipe-To-Exhaust Manifold33 (45)
Exhaust Manifold-To-Cylinder Head30 (40)
Flywheel-To-Crankshaft63 (85)
Frame Crossmember-To-Engine Rear Mounting Bracket43 (58)
Front Exhaust Pipe-To-Exhaust Manifold46 (62)
Generator Adjusting Bar-To-Cylinder Block35 (48)
Generator Bracket-To-Cylinder Head14 (19)
Heated Oxygen Sensor (Bank 1 Sensor 2)-To-Front Exhaust Pipe (No. 2)32 (44)
Idler Pulley Bracket (No. 2)-To-Cylinder Block28 (38)
Idler Pulley-To-Idler Pulley Bracket (No. 2)30 (40)
Idler Pulley-To-Oil Pump (No. 1)26 (35)
Intake Air Connector-To-Intake Manifold13 (18)
Intake Manifold/Stay-To-Cylinder Head13 (18)
Main Bearing Cap-To-Cylinder Block (4)
Step 145 (61)
Step 2(2)
Oil Filter Union-To-Cylinder Block18 (25)
Oil Pressure Switch-To-Cylinder Block11 (15)
Power Steering Pump-To-Power Steering Pump Bracket32 (43)
Support Bracket-To-Body (No. 2 & No. 3)14 (19)
Timing Belt Tensioner-To-Oil Pump20 (27)
INCH Lbs. (N.m)
Camshaft Position Sensor-To-Cylinder Head71 (8)
Cylinder Head Cover-To-Cylinder Head53 (6)
Fluid Coupling-To-Fan Bracket44 (5)
Oil Dipstick Guide-To-Generator Bracket71 (8)
Oil Pan Bolts71 (8)
End Plate-To-Cylinder Block71 (8)
Rear Oil Seal Retainer-To-Cylinder Block71 (8)
Rear Plate-To-Cylinder Head71 (8)
Timing Belt Cover Bolts80 (9)
Water Bypass Pipe-To-Cylinder Block80 (9)
(1) Tighten camshaft bearing cap bolts in sequence. (Scheme 37) (2) Tighten an additional 90 degrees. (3) Tighten cylinder head bolts in sequence. (Scheme 38) (4) Tighten main bearing cap bolts in sequence. (Scheme 39)
(1)Tighten camshaft bearing cap bolts in sequence. (Scheme 37)
(2)Tighten an additional 90 degrees.
(3)Tighten cylinder head bolts in sequence. (Scheme 38)
(4)Tighten main bearing cap bolts in sequence. (Scheme 39)

TORQUE SPECIFICATIONS

Scheme 37

Scheme 37

Scheme 38

Scheme 38

Scheme 39

Scheme 39

GENERAL SPECIFICATIONS

ApplicationSpecification
Displacement207 Cu. In. (3.4L)
Bore3.68 in. (93.4 mm)
Stroke3.23 in. (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 in. (.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 in. (.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 in. (.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. see scheme 33
(1)Main bearing journal diameter is determined by main bearing journal size mark on the crankshaft. see scheme 33

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. see scheme 29 (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. see scheme 29
(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. see scheme 30 Maximum cylinder bore diameter is 3.6902 in. (93.731 mm). (2) Main bearing bore inside diameter is determined by main bearing bore size mark on cylinder block. see scheme 33
(1)Cylinder bore diameter is determine by cylinder bore size mark on cylinder block. see scheme 30 Maximum cylinder bore diameter is 3.6902 in. (93.731 mm).
(2)Main bearing bore inside diameter is determined by main bearing bore size mark on cylinder block. see scheme 33

CYLINDER BLOCK

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Intake Valves
Face Angle44.5 degrees
Minimum Margin.020 in. (.50 mm)
Minimum Refinish Length3.7244 in. (94.599 mm)
Stem Diameter.2350-.2356 in. (5.969-5.984 mm)
Exhaust Valves
Face Angle44.5 degrees
Minimum Margin.020 in. (.50 mm)
Minimum Refinish Length3.7165 in. (94.399 mm)
Stem Diameter.2348-.2354 in. (5.963-5.979 mm)
Valve Springs
Free Length1.7630 in. (44.780 mm)
Out-Of-Square.079 in. (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.039 in. (.99 mm)
Manifold Surface.039 in. (.99 mm)
Valve Seats
Intake Valve
Seat Angle45 degrees
Seat Width.039-.055 in. (.99 -1.39 mm)
Exhaust Valve
Seat Angle45 degrees
Seat Width.039-.055 in. (.99 -1.39 mm)
Valve Guides
Intake & Exhaust Valves
Valve Guide Cylinder Head Bore I.D.
Standard Valve Guide.4325-.4341 in. (10.985-11.026 mm)
Oversize Valve Guide.4350-.4361 in. (11.049-11.076 mm)
Valve Guide I.D..2366-.2374 in. (6.009-6.029 mm)
Valve Stem-To-Guide Oil Clearance
Intake
Standard.0010-.0024 in. (.025-.060 mm)
Wear Limit.0031 in. (.078 mm)
Exhaust
Standard.0012-.0026 in. (.030-.066 mm)
Wear Limit.0039 in. (.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