Toyota1997–2001Technical specifications

Dyna 4.1 Turbo: Technical specifications

Workshop data for the 4.1-litre diesel (engine code 15B-FT). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (15B-FT) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Dyna
Years: 1997–2001
Fuel: Diesel
Engine code: 15B-FT

Performance & efficiency

Power: 100 kW (136 hp)
Engine size: 4,104 cc
Cylinders: 4 · OHV

Fluids & capacities

Engine oil (with the filter): 9.3 litres

All 98 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHV
Capacity cc	4104

Injection system

Fuel/injection pump assembly Make	Denso
Pump type	Rotary
Nozzle opening pressure - new/used bar	1)177-186 2)185-195/162-186
Leak rate (dribble) bar/secs	9,8-19,6/10

Injection sequence

The injection sequence for the Toyota Dyna 4.1 Turbo (1997–2001) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Toyota Dyna 4.1 Turbo (1997–2001) are 0,20 mm inlet and 0,36 mm exhaust, measured hot.

Valve clearance - INLET mm	0,20 hot
Valve clearance - EXHAUST mm	0,36 hot

Engine oil & fluids

Engine oil

The Toyota Dyna 4.1 Turbo (1997–2001) takes 9.3 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 3.2 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 13.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	-29°C➞12°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	-12°C➞38°C
Engine oil grade SAE	15W-40
Engine oil classification API/ACEA	CF/B2, B3
Ambient temperature range	-7°C➞38°C
Engine oil grade SAE	20W-50
Engine oil classification API/ACEA	CF/B2, B3
Engine with filter(s) litres	9.3
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	3.2
Differential oil grade - rear SAE	90
Differential rear litres	10,5 in=3,8 12 in=5,0
Cooling system - total capacity litres	13.5
Brake fluid Type	DOT 3
Power steering fluid Type	Dexron II
Power steering fluid litres	0.8

Brakes & wear limits

Brake disc thickness

Front brake discs on the Toyota Dyna 4.1 Turbo (1997–2001) are replaced at a minimum thickness of 28 mm (ventilated).

Minimum disc thickness for replacement - ventilated Front	28 mm
Maximum drum diameter for replacement Rear	297 mm TWA=322 mm

Brake disc and drum dimensions

Disc runout Front	0,12 mm
Minimum pad thickness Front	3 mm
Minimum shoe thickness Rear	1,5 mm TWA=4,2 mm
Parking brake travel No. of notches	6-10

Service & electrical

Tuning and emissions

Plunger travel (pump) mm ABDC	0,87-0,93
Crankshaft position (n = ATDC) °BTDC	—
Adjusting method Engine/Pump	Pointer/Dial gauge
Idle speed rpm	725±25
Idle speed - alternative rpm	AC=950±50
Rated no load speed rpm	3900-4100
Oil temperature °C	80
Idle speed - for smoke test rpm	700-750
Governed speed range - for smoke test rpm	3900-4100
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 (%)	2,50 (66)

Starting and charging

Battery V/RC(Ah)	12/24
Alternator output A/V/rpm	50/-/- 24V=30/-/-

Service checks and adjustments

Compression pressure bar	19,6-31,4
Turbo boost pressure bar/rpm	0,29-0,53/3700
Oil pressure bar/rpm	2,5-5,9/3000
Radiator cap bar	0,74-1,03
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	14-20
Drive belt tension - AC mm	12-16

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Dyna 4.1 Turbo (1997–2001) are tightened in 3 stages: 49 Nm, then 90°, then a final 90°.

Cylinder head
Tighten	49 Nm
Tighten	90°
Tighten	90°

Cylinder head
Cylinder head instructions	—
View more information	—
Other engine tightening torques
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	100 Nm
Main bearings Stage 2	200 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	69 Nm
Big end bearings Stage 2	90°
Oil pump to cylinder block	x3=44 Nm x5=21 Nm
Sump bolts	19 Nm
Sump drain bolt	35 Nm
Flywheel/driveplate	160 Nm
Clutch pressure plate	x6=19 Nm x8=38 Nm
Crankshaft pulley/damper centre bolt	294 Nm
Camshaft sprocket/gear	38 Nm
Camshaft/rocker cover	11 Nm
Inlet manifold to cylinder head	19 Nm
Exhaust manifold to cylinder head	44 Nm
Exhaust downpipe to manifold	62 Nm
Water pump	25 Nm
Injector/clamp	21 Nm
Injector pipe unions	25 Nm
Injector nozzle to holder	29 Nm
Fuel/injection pump flange	19 Nm
Chassis tightening torques
Steering wheel	34 Nm
Steering rack/box mounting	181 Nm
Steering track rod end	152 Nm
Brake disc to hub Front	125 Nm
Brake caliper to carrier Front	—
Brake caliper/carrier to hub Front	135 Nm
Road wheels	x5=515 Nm x6=560 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	650±50
Air conditioning oil group	PAG
Air conditioning oil Type	Dens Oil 8
Air conditioning oil quantity cm³	—
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the injection sequence of the Toyota Dyna 4.1 Turbo?

The injection sequence for the Toyota Dyna 4.1 Turbo (1997–2001) is 1-3-4-2.

How much oil does the Toyota Dyna 4.1 Turbo take?

The Toyota Dyna 4.1 Turbo (1997–2001) takes 9.3 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 Dyna 4.1 Turbo?

Valve clearances for the Toyota Dyna 4.1 Turbo (1997–2001) are 0,20 mm inlet and 0,36 mm exhaust, measured hot.

What is the cylinder head torque for the Toyota Dyna 4.1 Turbo?

The cylinder head bolts on the Toyota Dyna 4.1 Turbo (1997–2001) are tightened in 3 stages: 49 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Toyota Dyna 4.1 Turbo?

Front brake discs on the Toyota Dyna 4.1 Turbo (1997–2001) are replaced at a minimum thickness of 28 mm (ventilated).