Toyota1990–1993Technical specifications

4-Runner 2.4 Turbo: Technical specifications

Workshop data for the 2.4-litre diesel (engine code 2L-T). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (2L-T) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: 4-Runner
Years: 1990–1993
Fuel: Diesel
Engine code: 2L-T

Performance & efficiency

Power: 66 kW (90 hp)
Engine size: 2,446 cc
Cylinders: 4 · OHC
Compression ratio: 21:1

Fluids & capacities

Engine oil (with the filter): 6.8 litres

All 113 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity cc	2446
Compression ratio :1	21

Injection system

Fuel/injection pump assembly Make	Denso
Fuel/injection pump assembly Part No.	22100-54770
Fuel/injection pump assembly Part No.	22100-5B060
Pump type	Rotary
Injector nozzle Make	Denso
Nozzle and holder assembly Part No.	VE
Nozzle opening pressure - new/used bar	148-156/142-152
Leak rate (dribble) bar/secs	123-133/10

Injection sequence

The injection sequence for the Toyota 4-Runner 2.4 Turbo (1990–1993) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Toyota 4-Runner 2.4 Turbo (1990–1993) are 0,20-0,30 mm inlet and 0,40-0,50 mm exhaust, measured cold.

Valve clearance - INLET mm	0,20-0,30 cold
Valve clearance - EXHAUST mm	0,40-0,50 cold

Engine oil & fluids

Engine oil

The Toyota 4-Runner 2.4 Turbo (1990–1993) takes 6.8 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 3.0 litres. The specified oil is SAE 75W-90, with classification GL-4/5.

Transfer box

The transfer box has a listed capacity of 1.1 litres. The specified oil is SAE 75W-90, with classification GL-4/5.

Coolant

The listed total cooling-system capacity is 9.1 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞0°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	CF/B1, B3
Ambient temperature range	-18°C➞38°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	CF/B1, B3
Ambient temperature range	-18°C➞
Engine oil grade SAE	10W-40, 10W-50
Engine oil classification API/ACEA	CF/B2, B3
Ambient temperature range	-12°C➞
Engine oil grade SAE	15W-40
Engine oil classification API/ACEA	CF/B2, B3
Ambient temperature range	-12°C➞
Engine oil grade SAE	20W-40, 20W-50
Engine oil classification API/ACEA	CF/B2, B3
Engine with filter(s) litres	6.8
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission oil classification	GL-4/5
Manual transmission litres	3.0
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	75W-90
Differential oil classification - front	GL-5
Differential front/AT litres	1.9
Differential oil grade - rear SAE	90W
Differential oil classification - rear	GL-5
Differential rear litres	2.2
Transfer box oil grade SAE	75W-90
Transfer box oil classification	GL-4/5
Transfer box litres	1.1
Cooling system - total capacity litres	9.1
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 Turbo (1990–1993) 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

Battery

The Toyota 4-Runner 2.4 Turbo (1990–1993) uses a 12 V, 80 Ah battery (reserve capacity 130 minutes).

Battery V/RC(Ah)	12/130 (80)

Glow plugs

Glow plugs for the Toyota 4-Runner 2.4 Turbo (1990–1993): Bosch 0 250 202 053 and Lucas/CAV HDS235.

Glow plug nominal rating V/A	13,8/14,4
Glow plug - part no. Bosch	0 250 202 053
Glow plug - part no. Lucas/CAV	HDS235

Tuning and emissions

Plunger travel (pump) mm ABDC	0,54-0,66
Crankshaft position (n = ATDC) °BTDC	—
Adjusting method Engine/Pump	Pointer/Dial gauge
Idle speed rpm	700-800
Idle speed - alternative rpm	AC=950
Rated no load speed rpm	4700-4900
Oil temperature °C	80
Idle speed - for smoke test rpm	700-800
Governed speed range - for smoke test rpm	4700-4900
Maximum time at governed speed secs	1,0
Test mode A/B	B
Probe type 1/2	1
Conditioning Accelerations/rpm	3
Smoke opacity - EU limit m-1 (%)	3,00 (73)
Smoke opacity - homologation value m-1 (%)	2,50 (66)

Starting and charging

Maximum cranking amps A	216-264
Alternator output A/V/rpm	30/14/2000

Service checks and adjustments

Compression pressure bar	19,6-30,4
Turbo boost pressure bar/rpm	0,6-0,8/2400
Oil pressure bar/rpm	2,9-5,4/3000
Radiator cap bar	0,75-1,05
Thermostat opens °C	86-90
Drive belt tension - alternator/PAS/AC mm	10-15

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota 4-Runner 2.4 Turbo (1990–1993) are tightened in 4 stages: 38 Nm, then 78 Nm, then 90°, then a final 90°.

Cylinder head
Tighten	38 Nm
Tighten	78 Nm
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	—
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	34 Nm
Big end bearings Stage 2	120°
Sump bolts	8 Nm
Sump drain bolt	39 Nm
Flywheel/driveplate	123 Nm
Clutch pressure plate	19 Nm
Crankshaft pulley/damper centre bolt	167 Nm
Camshaft sprocket/gear	98 Nm
Camshaft carrier/cap	25 Nm
Camshaft/rocker cover	5 Nm
Inlet manifold to cylinder head	24 Nm
Exhaust manifold to cylinder head	52 Nm
Injector/clamp	64 Nm
Injector pipe unions	25 Nm
Injector nozzle to holder	37 Nm
Fuel/injection pump sprocket/gear	64 Nm
Fuel/injection pump flange	21 Nm
Fuel/injection pump mounting	18 Nm
Glow plugs	13 Nm
Chassis tightening torques
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

Air conditioning

Air conditioning refrigerant Type	R12
Air conditioning refrigerant quantity grams	800±50
Air conditioning oil Type	Dens Oil 6

Frequently asked questions

What is the injection sequence of the Toyota 4-Runner 2.4 Turbo?

The injection sequence for the Toyota 4-Runner 2.4 Turbo (1990–1993) is 1-3-4-2.

What glow plugs does the Toyota 4-Runner 2.4 Turbo use?

Glow plugs for the Toyota 4-Runner 2.4 Turbo (1990–1993): Bosch 0 250 202 053 and Lucas/CAV HDS235.

How much oil does the Toyota 4-Runner 2.4 Turbo take?

The Toyota 4-Runner 2.4 Turbo (1990–1993) takes 6.8 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Toyota 4-Runner 2.4 Turbo?

Valve clearances for the Toyota 4-Runner 2.4 Turbo (1990–1993) are 0,20-0,30 mm inlet and 0,40-0,50 mm exhaust, measured cold.

What is the cylinder head torque for the Toyota 4-Runner 2.4 Turbo?

The cylinder head bolts on the Toyota 4-Runner 2.4 Turbo (1990–1993) are tightened in 4 stages: 38 Nm, then 78 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Toyota 4-Runner 2.4 Turbo?

Brake discs on the Toyota 4-Runner 2.4 Turbo (1990–1993) are replaced at a minimum thickness of 18 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 297 mm.