Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity (Fiscal) cc | 2366 |
| Compression ratio :1 | 9,0 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Toyota |
| Ignition system Type | ESA |
| Ignition system Description | Map-i |
| Trigger location | Distributor |
| Fuel system Make | Toyota |
| Fuel system Type | TCCS |
| Fuel system Description | MFI-i |
| Air metering Type | Flow |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Denso |
|---|---|
| Ignition coil supply voltage + with ballast V | 11,0 |
| Primary resistance Ohm | 0,8-1,0 |
| Secondary resistance Ohm | 10700-14500 |
| Distributor (ECM) Make | Denso (Toyota) |
| Contact breaker gap/trigger air gap mm | 0,2-0,4 |
Firing order
The firing order for the Toyota 4-Runner 2.4 (1989–1993) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Toyota 4-Runner 2.4 (1989–1993) are 0,20 mm inlet and 0,30 mm exhaust, measured hot.
| Valve clearance - INLET mm | 0,20 hot |
|---|---|
| Valve clearance - EXHAUST mm | 0,30 hot |
Engine oil & fluids
Engine oil
The Toyota 4-Runner 2.4 (1989–1993) takes 4.3 litres of engine oil with the filter.
A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SG/A1.
A listed engine oil option is SAE 5W-30 for moderate climates, with API/ACEA classification SG/A1.
A listed engine oil option is SAE 10W-30 as an alternative for moderate climates, with API/ACEA classification SH/A1.
A listed engine oil option is SAE 10W-30 for hot climates, with API/ACEA classification SG/A1.
Manual gearbox
The specified manual gearbox oil is SAE 75W-90 semi-synthetic.
Transfer box
See the reference table for the complete transfer box entries and their conditions.
Coolant
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | Cold climate |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SG/A1 |
| Ambient temperature range | Moderate climate |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SG/A1 |
| Ambient temperature range | Moderate climate alternative |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | SH/A1 |
| Ambient temperature range | Hot climate |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | SG/A1 |
| Engine with filter(s) litres | 4.3 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W-90 Semi-synthetic |
| Manual transmission litres | — |
| Gearbox oil capacity | |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (drain & refill) litres | 4.5 |
| Automatic transmission (dry fill) litres | 10.3 |
| Differential oil grade - front SAE | 90W |
| Differential front/AT litres | 1.6 |
| Differential oil grade - rear SAE | 90W |
| Differential rear litres | 2.2 |
| Transfer box oil grade SAE | 75W-90 |
| Transfer box litres | 1.1 |
| Cooling system - total capacity litres | 8.4 |
| Brake fluid Type | DOT 3 |
| Power steering fluid Type | Dexron II |
| Power steering fluid litres | 0.9 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Toyota 4-Runner 2.4 (1989–1993) are replaced at a minimum thickness of 18 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 297 mm.
| Minimum disc thickness for replacement - ventilated Front | 18 mm |
|---|---|
| Maximum drum diameter for replacement Rear | 297 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,09 mm |
|---|---|
| Minimum pad thickness Front | 1 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 11-17 |
Service & electrical
Ignition timing
Basic ignition timing for the Toyota 4-Runner 2.4 (1989–1993) is 5° BTDC at 750 rpm.
| Ignition timing | |
|---|---|
| Ignition timing - basic BTDC °Engine/rpm | 5/750 |
Battery
The Toyota 4-Runner 2.4 (1989–1993) uses a 12 V, 70 Ah battery (reserve capacity 90 minutes).
| Battery V/RC(Ah) | 12/90 (70) |
|---|
Spark plugs
The Toyota 4-Runner 2.4 (1989–1993) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | BPR5EY |
| Electrode gap mm | 0,8 |
| Spark plugs Make | Beru |
| Spark plug Type | 14R-8DU |
| Electrode gap mm | 0,8 |
| Spark plugs Make | Bosch |
| Spark plug Type | WR8DC |
| Electrode gap mm | 0,8 |
| Spark plugs Make | Champion |
| Spark plug Type | RN11YC |
| Electrode gap mm | 0,8 |
| Spark plugs Make | NGK |
| Spark plug Type | BPR5EY |
| Electrode gap mm | 0,8 |
Tuning and emissions
| Tuning conditions | — |
|---|---|
| View more information | — |
| Ignition timing | |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 750±50 |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,5 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| Increased idle speed for CO test rpm | 2400-2600 |
| CO content at increased idle speed Vol. % | 0,3 |
| Lambda at increased idle λ | 0,98-1,02 |
Starting and charging
| Maximum cranking amps A | 189-231 |
|---|---|
| Alternator output A/V/rpm | 60/14/2000 |
Service checks and adjustments
| Compression pressure bar | 10,0-12,0 |
|---|---|
| Oil pressure bar/rpm | 2,5-5,0/3000 |
| Radiator cap bar | 0,75-1,05 |
| Thermostat opens °C | 86-90 |
| Drive belt size - alternator mm | 9,5x875 |
| Drive belt tension - alternator/PAS/AC mm | 7-10 |
Fuel system
| System pressure bar | 2,7-3,1 |
|---|---|
| Engine coolant temperature (ECT) sensor Ohm/°C | 200-400/80 |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm | 140-180 |
| Injector Ohm | 13,4-14,2 |
| Lambda sensor (Oxygen) heater Ohm | 5,1-6,3 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Toyota 4-Runner 2.4 (1989–1993) are tightened in 3 stages: 25 Nm, then 50 Nm, then a final 78 Nm.
| Cylinder head | |
|---|---|
| Renew bolts | No |
| Tighten | 25 Nm |
| Tighten | 50 Nm |
| Tighten | 78 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 52 Nm |
| Main bearings Stage 2 | 103 Nm |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 35 Nm |
| Big end bearings Stage 2 | 69 Nm |
| Oil pump to cylinder block | — |
| View more information | — |
| Oil pump to cylinder block | |
| Sump bolts | 13 Nm |
| Sump drain bolt | 25 Nm |
| Flywheel/driveplate | 108 Nm |
| Clutch pressure plate | 19 Nm |
| Crankshaft pulley/damper centre bolt | 157 Nm |
| Camshaft sprocket/gear | 78 Nm |
| Camshaft carrier/cap | 20 Nm |
| Camshaft/rocker cover | 10 Nm |
| Inlet manifold to cylinder head | 19 Nm |
| Exhaust manifold to cylinder head | 44 Nm |
| Water pump | 9 Nm |
| Spark plugs | 18 Nm |
| Chassis tightening torques | |
| Steering wheel | 34 Nm |
| Steering rack/box mounting | 142 Nm |
| Steering track rod end | 90 Nm |
| Brake disc to hub Front | 64 Nm |
| Brake caliper/carrier to hub Front | 123 Nm |
| Road wheels | 103 Nm |
Frequently asked questions
What is the firing order of the Toyota 4-Runner 2.4?
The firing order for the Toyota 4-Runner 2.4 (1989–1993) is 1-3-4-2.
What spark plugs does the Toyota 4-Runner 2.4 use?
The Toyota 4-Runner 2.4 (1989–1993) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.
How much oil does the Toyota 4-Runner 2.4 take?
The Toyota 4-Runner 2.4 (1989–1993) takes 4.3 litres of engine oil with the filter. A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SG/A1. A listed engine oil option is SAE 5W-30 for moderate climates, with API/ACEA classification SG/A1. A listed engine oil option is SAE 10W-30 as an alternative for moderate climates, with API/ACEA classification SH/A1. A listed engine oil option is SAE 10W-30 for hot climates, with API/ACEA classification SG/A1.
What are the valve clearances for the Toyota 4-Runner 2.4?
Valve clearances for the Toyota 4-Runner 2.4 (1989–1993) are 0,20 mm inlet and 0,30 mm exhaust, measured hot.
What is the cylinder head torque for the Toyota 4-Runner 2.4?
The cylinder head bolts on the Toyota 4-Runner 2.4 (1989–1993) are tightened in 3 stages: 25 Nm, then 50 Nm, then a final 78 Nm.
What is the ignition timing for the Toyota 4-Runner 2.4?
Basic ignition timing for the Toyota 4-Runner 2.4 (1989–1993) is 5° BTDC at 750 rpm.