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Home / Car Engines / Toyota Engines / TOYOTA 4A-FE

Toyota 4A-FE Specifications

Engine Model: Toyota 4A-FE

Engine Type: 4-cylinder 16-valve DOHC gasoline engine

Total Displacement: 116.5 cu.in (1.6 L)

Rated Engine Power: 105 Hp (78 kW) at 5800 rpm

Fuel System: EFI or MPFI

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General Technical Data

Engine Model ............... Toyota 4A-FE
Engine Type ............... Four-cycle four-cylinder inline 16-valve DOHC petrol engine
Number of Cylinders ............... 4
Number of Valves ............... 16
Displacement, cu.in (L) ............... 116.5 (1.59)
Cylinder Bore, in (mm) ............... 3.19 (81.0)
Piston Stroke, in (mm) ............... 3.03 (77.0)
Rated Engine Power, hp (kW) ............... 105 (78)
Rated Engine Speed, rpm ............... 5800
Maximum Torque, Nm (lb-ft) ............... 137 (101)
Torque Speed, rpm ............... 4800
Idle Speed, rpm ............... 800
Firing Order ............... 1-3-4-2
Compression Ratio ............... 9.5:1
Cylinder Bore Type ............... Cast-iron
Fuel System ............... EFI or MPFI
Fuel Type ............... Gasoline
Electrical System Rating, Volts ............... 12

Cylinder Block

Cylinder bore inside diameter (Standard), mm (in) ............... 81.000-81.010 (3.1890-3.1894)
Cylinder bore inside diameter (Maximum), mm (in) ............... 81.23 (3.1980)
Cylinder block warpage (Maximum), mm (in) ............... 0.05 (0.0020)
Cylinder block main journal bore diameter, mm (in) ............... 52.025-52.031 (2.0482-2.0485)
Connecting rod thrust clearance, mm (in) ............... 0.020-0.220 (0.0008-0.0087)
Crankshaft journal diameter, mm (in) ............... 47.988-47.994 (1.8893-1.8895)
Crank pin outside diameter, mm (in) ............... 39.985-40.000 (1. 5742-1.5748)
Crank pin taper and out-of-round, mm (in) ............... 0.02 (0.0008)

Cylinder Head and Valves

Cylinder head warpage (Cylinder block side), mm (in) ............... 0.05 (0.0020)
Cylinder head warpage (Manifold side), mm (in) ............... 0.10 (0.0039)
Guide bushing inside diameter, mm (in) ............... 6.010-6.030 (0.2366-0.2374)
Intake valve clearance (Cold), mm (in) ............... 0.15-0.25 (0.006-0.010)
Exhaust valve clearance (Cold), mm (in) ............... 0.20-0.30 (0.008-0.012)
Valve stem diameter (Intake), mm (in) ............... 5.970-5.985 (0.2350-0.2356)
Valve stem diameter (Exhaust), mm (in) ............... 5.965-5.980 (0.2348-0.2354)
Valve stem to guide bushing clearance (Intake), mm (in) ............... 0.025-0.060 (0.0010-0.0024)
Valve stem to guide bushing clearance (Exhaust), mm (in) ............... 0.030-0.065 (0.0012-0.0026)
Valve face angle, degrees ............... 44.5
Valve head margin thickness, mm (in) ............... 0.8-1.2 (0.031-0.047)
Valve overall length (Intake), mm (in) ............... 91.45 (3.6004)
Valve overall length (Exhaust), mm (in) ............... 91.90 (3.6181)
Valve spring free length, mm (in) ............... 43.8 (1.724)
Valve lifter bore diameter, mm (in) ............... 28.005-28.026 (1.1026-1.1034)
Valve lifter diameter, mm (in) ............... 27.975-27.985 (1.1014-1.1018)
Camshaft runout (Maximum), mm (in) ............... 0.04 (0.0016)
Cam height (Intake, std), mm (in) ............... 35.210-35.310 (1.3862-1.3902)
Cam height (Exhaust, std), mm (in) ............... 34.910-35.010 (1.3744-1.3783)
Cam height (Intake, min), mm (in) ............... 34.81 (1.3705)
Cam height (Exhaust, min), mm (in) ............... 34.51 (1.3587)
Camshaft journal diameter (Exhaust), mm (in) ............... 24.949-24.965 (0.9822-0.9829)
Camshaft journal diameter (Others), mm (in) ............... 22.949-22.965 (0.9035-0.9041)
Camshaft gear backlash, mm (in) ............... 0.020-0.200 (0.0008-0.0079)

Piston and Piston Rings

Piston outside diameter, mm (in) ............... 80.930-80.940 (3.1862-3.1866)
Cylinder bore diameter to piston diameter, mm (in) ............... 0.060-0.080 (0.0024-0.0031)
Top ring groove clearance, mm (in) ............... 0.040-0.081 (0.0016-0.0032)
Second ring groove clearance, mm (in) ............... 0.030-0.070 (0.0012-0.0028)
Top ring end gap (Standard), mm (in) ............... 0.250-0.450 (0.0098-0.0177)
Top ring end gap (Maximum), mm (in) ............... 1.05 (0.0413)
Second ring end gap (Standard), mm (in) ............... 0.150-0.400 (0.0059-0.0157)
Second ring end gap (Maximum), mm (in) ............... 1.00 (0.0394)
Oil ring end gap (Standard), mm (in) ............... 0.100-0.700 (0.0039-0.0276)
Oil ring end gap (Maximum), mm (in) ............... 1.30 (0.0512)

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