Toyota2019–2026Technical specifications

GR Supra 2.0: Technical specifications

Workshop data for the 2-litre petrol (engine code B48 B20B). 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 (B48 B20B) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: GR Supra
Years: 2019–2026
Fuel: Petrol
Engine code: B48 B20B

Performance & efficiency

Power: 145 kW (197 hp)
Engine size: 1,998 cc
Cylinders: 4 · DOHC
Compression ratio: 10.2:1
Fuel system: MFI-s(d)

Fluids & capacities

Engine oil (with the filter): 5.25 litres

All 100 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity (Fiscal) cc	1998
Compression ratio :1	10,2
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Description	Map-DI
Trigger location	Cam/Crankshaft
Fuel system Description	MFI-s(d)
Air metering Type	Mass/MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Eldor
Ignition coil Type	77850002
Ignition coil supply voltage + with ballast V	12,0

Firing order

The firing order for the Toyota GR Supra 2.0 (2019–2026) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Toyota GR Supra 2.0 (2019–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mm	Hydraulic
Valve clearance - EXHAUST mm	Hydraulic

Engine oil & fluids

Engine oil

The Toyota GR Supra 2.0 (2019–2026) takes 5.25 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-20 synthetic for all ambient temperatures, with API/ACEA classification SN/C5.

Coolant

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-20 Synthetic
Engine oil classification API/ACEA	SN/C5
Engine with filter(s) litres	5.25
View more information	—
Other lubricants and capacities
Automatic transmission fluid Type	ATF-3+
Automatic transmission (drain & refill) litres	—
View more information	—
Automatic transmission fluid (ATF) (drain & refill)
Automatic transmission (dry fill) litres	9.1
Automatic transmission fluid
Differential oil grade - rear SAE	—
Differential oil grade - rear
Differential rear litres	0,8 LSD=1,0
Rear differential oil
Coolant Type	Frostox HT12
Cooling system - total capacity litres	—
View more information	—
Do not depress brake pedal.
Brake fluid Type	DOT 4 LV

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota GR Supra 2.0 (2019–2026) are replaced at a minimum thickness of 22,4 mm (ventilated) front and 18,4 mm (ventilated) rear.

Minimum disc thickness for replacement - front
Minimum disc thickness for replacement - ventilated Front	22,4 mm
Minimum disc thickness for replacement - ventilated Rear	18,4 mm

Brake disc and drum dimensions

Minimum disc thickness
Minimum pad thickness Front	1 mm
Minimum pad thickness Rear	1 mm

Service & electrical

Ignition timing

The ignition timing on the Toyota GR Supra 2.0 (2019–2026) is not adjustable.

Ignition timing - basic BTDC °Engine/rpm	Not adjustable

Battery

The Toyota GR Supra 2.0 (2019–2026) uses a 12 V, 80 Ah battery.

Battery V/RC(Ah)	12 (80)

Tuning and emissions

Ignition advance checks °Engine/rpm	ECM Controlled
Oil temperature °C	70
CO level at idle speed - tailpipe Vol. % CO	0,2 Max Not adjustable
HC level at idle speed ppm	200
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	2300-2700
CO content at increased idle speed Vol. %	0,2
Lambda at increased idle λ	0,97-1,03

Starting and charging

Alternator output A/V/rpm	150/12/-

Service checks and adjustments

Compression pressure bar	9,0 Min
Radiator cap bar	1,40

Fuel system

Fuel main pump delivery pressure bar	350 Max

Spark plugs

Spark plugs Original equipment	NGK
Spark plug Type	SILZKGR8E8S
Spark plugs Make	Beru
Spark plug Type	12ZR5MIP2L
Spark plugs Make	Champion
Spark plug Type	RERX4ZWYPD1

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota GR Supra 2.0 (2019–2026) are tightened in 4 stages: 30 Nm, then 90°, then 90°, then a final 90°.

Cylinder head
Renew bolts	Yes
Tighten	30 Nm
Tighten	90°
Tighten	90°
Tighten	90°
Tighten	M8=20 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	Yes
Main bearings Stage 1	—
View more information	—
Main bearings
Big end bearings Renew bolts/nuts	Yes
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	70°+70°
Oil pump to cylinder block	15 Nm+45°
Sump bolts	—
View more information	—
Assemble components and tighten bolts within 12 minutes.
Sump drain bolt	25 Nm
Flywheel/driveplate	-/45 Nm+45°
Crankshaft pulley/damper bolts	40 Nm+120°
Camshaft sprocket/gear	1)10 Nm 2)30 Nm 3)50 Nm+35°
Camshaft carrier/cap	M6 8.8=1)10 Nm 2)10 Nm, M6 10.9=1)12 Nm 2)12 Nm
Camshaft/rocker cover	1)8 Nm 2)11 Nm
View more information	—
Camshaft/rocker cover
Inlet manifold to cylinder head	10 Nm
Exhaust manifold to cylinder head	16 Nm
Exhaust downpipe to manifold	13 Nm
Water pump	10 Nm
Assemble components and tighten bolts within 12 minutes.
Spark plugs	23 Nm
Fuel rail	—
View more information	—
Fuel rail
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	5 Nm
Camshaft position (CMP) sensor	4 Nm
Engine coolant temperature (ECT) sensor	14 Nm
Lambda sensor (Oxygen)	50 Nm
Knock sensor (KS)	22 Nm
Engine oil pressure switch	15 Nm
Oil filter	25 Nm
Chassis tightening torques
Front hub - wheel bearing housing bolts	120 Nm+90°
Rear hub	210 Nm+90°
Rear hub - wheel bearing housing bolts	120 Nm+90°
Steering wheel	63 Nm
Steering rack/box mounting	—
Steering rack/box fixing
Steering track rod end	165 Nm
Brake disc to hub Front	16 Nm
Brake caliper to carrier Front	35 Nm
Only applies to single piston caliper.
Brake caliper/carrier to hub Front	80 Nm
Brake disc to hub Rear	16 Nm
Brake caliper to carrier Rear	35 Nm
Brake caliper/carrier to hub Rear	130 Nm
Back plate to hub Rear	8 Nm
ABS sensor Front	12 Nm
ABS wheel speed sensor
ABS sensor Rear	12 Nm
Road wheels	140 Nm

Air conditioning

Do not mix R134a with R1234yf.
No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	Yes
Air conditioning refrigerant Type	—
Air conditioning refrigerant quantity grams	550

Frequently asked questions

What is the firing order of the Toyota GR Supra 2.0?

The firing order for the Toyota GR Supra 2.0 (2019–2026) is 1-3-4-2.

How much oil does the Toyota GR Supra 2.0 take?

What are the valve clearances for the Toyota GR Supra 2.0?

Valve clearances on the Toyota GR Supra 2.0 (2019–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Toyota GR Supra 2.0?

The cylinder head bolts on the Toyota GR Supra 2.0 (2019–2026) are tightened in 4 stages: 30 Nm, then 90°, then 90°, then a final 90°.

What is the ignition timing for the Toyota GR Supra 2.0?

The ignition timing on the Toyota GR Supra 2.0 (2019–2026) is not adjustable.

What is the minimum brake disc thickness for the Toyota GR Supra 2.0?

Brake discs on the Toyota GR Supra 2.0 (2019–2026) are replaced at a minimum thickness of 22,4 mm (ventilated) front and 18,4 mm (ventilated) rear.