Toyota 22R-E Engine Specs
The Toyota 22R-E is a 2.4 L, 144.38 cu·in (2,366 cc) straight-four 4-stroke natural aspirated gasoline engine from Toyota R-family. Toyota Motor Corporation manufactured the engine since 1983 to 1995.
The Toyota 22R-E engine delivered from 106 PS (78 kW; 105 HP) at 4,800 rpm to 114 PS (84 kW; 113 HP) at 4,800 rpm of maximum horsepower and from 185 N·m (18.9 kg·m, 136 ft·lb) at 2,800 rpm to 190 N·m (19.4 kg·m, 140 ft·lb) at 3,600 rpm of peak torque.
The Toyota 22R-E engine features a cast-iron block and aluminum cylinder head, two valves per Cylinder (8 in total) and a single overhead camshaft (SOHC).
The Toyota 22R-E engine has an electronic fuel injection system and an ignition system with a mechanical distributor.
The Toyota 22R-E engine compression ratio rating is 9.0:1. Cylinder bore, and piston stroke are 92.0 mm (3.62 in) and 89.0 mm (3.5 in), respectively.
In 1985, the 22R engine was redesigned, but many parts from the newer 22R-E (such as the block, pistons, cover, cylinder head, timing chain, water, and oil pumps) are incompatible with those from the older pre-1985 engine.
The breakdown of the Toyota 22R-E engine code is as follows:
- 22 – 22 generation engine
- R – Engine family
- E – Multi-Point Fuel Injection
Toyota 22R-E (2.4 L, SOHC) EFI Engine Specs
Engine Specifications
| Engine code | 22R-E |
| Layout | Four stroke, Inline-4 (Straight-4) |
| Fuel type | Gasoline (petrol) |
| Production | 1983-1995 |
| Displacement | 2.4 L, 2,366 cm3 (144.38 cu-in) |
| Fuel system | Electronic fuel injection (EFI) |
| Power adder | None |
| Power output | From 106 PS (78 kW; 105 HP) at 4,800 rpm to 110 PS (81 kW; 109 HP) at 5,000 rpm |
| Torque output | From 185 N·m (18.9 kg·m, 136 ft·lb) at 2,800 rpm to 190 N·m (19.4 kg·m, 140 ft·lb) at 3,600 rpm |
| Firing order | 1-3-4-2 |
| Dimensions (L x W x H): | – |
| Weight | – |
Cylinder block (86 and later)
| Cylinder block alloy | Cast-iron | |
| Compression ratio: | 9.0:1 | |
| 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): | 91.970-92.000 mm (3.6209-3.622 in) | |
| Connecting rod big end diameter (standard): | 56.000-56.006 mm (2.2047-2.205 in) | |
| Piston ring end gap: | Top | 0.250-0.470 mm (0.0098-0.0185 in) |
| Second | 0.600-0.820 mm (0.0236-0.0323 in) | |
| Oil | 0.200-0.570 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 (86 and later)
| Valve Arrangement: | SOHC, chain drive | |
| Valves: | 8 (2 valves per cylinder) | |
| Valve head diameter: | INTAKE | 45.0 mm (1.7717 in) |
| EXHAUST | 37.0 mm (1.4567 in) | |
| Valve length: | INTAKE | 113.5 mm (4.4685 in) |
| EXHAUST | 112.4 mm (4.4252 in) | |
| Valve stem diameter: | INTAKE | 7.970-7.985 mm (0.3138-0.3144 in) |
| EXHAUST | 7.965-7.980 mm (0.3136-0.3142 in) | |
| Valve spring free length: | 48.5 mm (1.9094 in) | |
| Camshaft cam height: | INTAKE | 42.63-42.72 mm (1.6783-1.6819 in) |
| EXHAUST | 42.69-42.78 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 valve | 0.20 mm (0.008 in) |
| Exhaust valve | 0.30 mm (0.012 in) |
| Compression pressure | |
| Standard | 12.0 kg/cm2 / 200 rpm |
| Minimun | 10.0 kg/cm2 / 200 rpm |
| Compression differential limit between cylinders | 1.0 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 oil | 5W-30, 10W-30 |
| Oil type API | SF 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 plug | NGK: BPR5EY DENSO: W16EXR-U |
| Spark plug gap | 0.8 mm (0.0315 in) |
Vehicle Applications
| Model | Years Produced |
| Toyota Hilux | 1985-1995 |
| Toyota Celica | 1983-1985 |
| Toyota Corona | 1983-1987 |
| Toyota Pickup | 1984-1995 |
| Toyota 4Runner | 1985-1995 |
| Volkswagen Taro | 1989-1997 |
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Final Words
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