Toyota 22R-TE

Toyota 22R-TEThe Toyota 22R-TE is a 2.4 L (2,366 cc, 144.38 cu·in) straight-four 4-stroke turbocharged gasoline engine from Toyota R-family. The engine was manufactured by Toyota Motor Corporation since 1985 to 1988.

The 22R-TE engine features a cast-iron block and aluminum cylinder head with the single overhead camshaft (SOHC) and two valves per cylinder (8 in total). Compression ratio rating is 7.5:1. Cylinder bore and piston stroke are 92.0 mm (3.62 in) and 89.0 mm (3.5 in), respectively. The Toyota 22R-E engine has an electronic fuel injection (EFI) system, turbocharger, and ignition system with a mechanical distributor.

The 22R-TE engine produced 137 PS (101 kW; 135 HP) at 4,800 rpm of maximum horsepower and 234 N·m (23.9 kg·m, 172 ft·lb) at 2,800 rpm of peak torque.

The breakdown of the engine code is as follows:

  • 22 – 22 generation engine
  • R – Engine family
  • T – Turobchagered
  • E – Multi-Point Fuel Injection

General information

Engine Specifications
Engine code22R-TE
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Production1988-1988
Displacement2.4 L, 2,366 cm3 (144.38 cu-in)
Fuel systemElectronic fuel injection (EFI)
Power adderTurbochager
Power output137 PS (101 kW; 135 HP) at 4,800 rpm
Torque output234 N·m (23.9 kg·m, 172 ft·lb) at 2,800 rpm
Firing order1-3-4-2
Dimensions (L x W x H):
Weight

Cylinder block

The Toyota 22R-TE has a cast-iron cylinder block with five bearing support system. It has a 92.0 mm (3.62 in) cylinder bore and 89.0 mm (3.5 in) piston stroke. Compression ratio rating is 7.5:1.

Cylinder block (86 and later)
Cylinder block alloyCast-iron
Compression ratio:7.5:1
Cylinder bore:92.0 mm (3.62 in)
Piston stroke:89.0 mm (3.5 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):92.000-92.030 mm (3.622-3.6232 in)
Piston skirt diameter (standard):91.935-91.965 mm (3.6195-3.6207 in)
Connecting rod big end diameter (standard):56.000-56.006 mm (2.2047-2.205 in)
Piston ring end gap:Top0.250-0.470 mm (0.0098-0.0185 in)
Second0.600-0.820 mm (0.0236-0.0323 in)
Oil0.200-0.570 mm (0.0079-0.0224 in)
Crankshaft main journal diameter:59.984-60.000 mm (2.3616-2.3622 in)
Crankpin diameter:52.988-53.000 mm (2.0861-2.0866 in)

Main bearing cap bolts tightening procedure and torque specs:

  • 103 Nm, 10.5 kg·m; 76 ft·lb

After securing bearing cap bolts, make sure crankshaft turns smoothly by hand.

Connecting rod bearing bolts

  • 69 Nm, 7.0 kg·m; 51 ft·lb)

Cylinder head

The cylinder head is made of aluminum alloy which gives it good cooling efficiency. The engine has single overhead camshaft, that is driven by a timing chain and two valves per cylinder (8 valves in total). Intake valve head diameter is 45.0 mm (1.77 in), and exhaust valve head diameter is 37.0 mm (1.46 in).

Cylinder head (86 and later)
Valve Arrangement:SOHC, chain drive
Valves:8 (2 valves per cylinder)
Valve head diameter:INTAKE45.0 mm (1.7717 in)
EXHAUST37.0 mm (1.4567 in)
Valve length:INTAKE113.8 mm (4.4803 in)
EXHAUST112.9 mm (4.4449 in)
Valve stem diameter:INTAKE7.970-7.985 mm (0.3138-0.3144 in)
EXHAUST7.965-7.980 mm (0.3136-0.3142 in)
Valve spring free length:48.5 mm (1.9094 in)
Camshaft cam height:INTAKE42.63-42.72 mm (1.6783-1.6819 in)
EXHAUST42.69-42.78 mm (1.6807-1.6842 in)
Camshaft journal diameter:32.98-33.00 mm (1.2984-1.2992 in)

Head tightening procedure and torque specs:

  • 78 Nm, 8.0 kg·m; 58 ft·lb

Maintenance data

Valve clearance
Intake valve0.20 mm (0.008 in)
Exhaust valve0.30 mm (0.012 in)
Compression pressure
Standard10.0 kg/cm2 / 200 rpm
Minimun8.5 kg/cm2 / 200 rpm
Compression differential limit between cylinders1.0 kg/cm2 / 200 rpm
Oil system
Oil consumption , L/1000 km (qt. per miles)up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil5W-30, 10W-30
Oil type APISF or SF/CC
Engine oil capacity (Refill capacity) With filter change ~ 4.2 l l
Without filter change ~ 3.8 l
Oil change interval, km (miles)10,000 (6,000)
Ignition system
Spark plugNGK: BPR5EY
DENSO: W16EXR-U
Spark plug gap0.8 mm (0.0315 in)

Vehicle applications

ModelYears Produced
Toyota Hilux1985-1988
Toyota 4Runner1986-1987
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