Workshop data for the 1.3-litre petrol (engine code 13B). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.
The Mazda RX-8 1.3 R3 (2008–2010) takes 3.5 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 2.0 litres. The specified oil is SAE 75W-90, with classification GL-4.
Coolant
The listed total cooling-system capacity is 9.8-10.0 litres.
Grades, filling conditions and capacities
Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range
All temperatures
Engine oil grade SAE
5W-30
Engine oil classification API/ACEA
SJ/A1, A3, A5
Ambient temperature range
All temperatures
Engine oil grade SAE
10W-30
Engine oil classification API/ACEA
SJ/A1, A3, A5
Engine with filter(s) litres
3.5
Other lubricants and capacities
Manual transmission oil grade SAE
75W-90
Manual transmission oil classification
GL-4
Manual transmission litres
2.0
Automatic transmission fluid Type
JWS 3309
Automatic transmission (drain & refill) litres
8.0
Automatic transmission fluid - drain and refill
Differential oil grade - rear SAE
90W
Differential oil classification - rear
GL-5
Differential rear litres
1.3
Cooling system - total capacity litres
9.8-10.0
Brake fluid Type
DOT 3/4
Clutch fluid Type
DOT 3/4
03
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda RX-8 1.3 R3 (2008–2010) are replaced at a minimum thickness of 22 mm (ventilated) front and 16 mm rear.
Minimum disc thickness for replacement - ventilatedFront
22 mm
Minimum disc thickness for replacementRear
16 mm
Brake disc and drum dimensions
Disc thickness variationFront
0,015 mm
Disc thickness variationRear
0,015 mm
Disc runoutFront
0,05 mm
Disc runoutRear
0,05 mm
Minimum pad thicknessFront
2 mm
Minimum pad thicknessRear
2 mm
Parking brake travelNo. of notches
1-3
04
Service & electrical
Ignition timing
The ignition timing on the Mazda RX-8 1.3 R3 (2008–2010) is not adjustable.
Ignition timing - basic BTDC°Engine/rpm
Not adjustable
Tuning and emissions
Ignition advance checks°Engine/rpm
ECM Controlled
Idle speedrpm
Not adjustable
Service checks and adjustments
Radiator capbar
0,70-1,00
Thermostat opens°C
80-84
Spark plugs
Spark plugsOriginal equipment
NGK
Spark plugType
—
Electrode gapmm
1,05-1,15
Spark plugsMake
NGK
Spark plugType
—
Electrode gapmm
1,05-1,15
05
Tightening torques
Other engine tightening torques
Sump drain bolt
35±5 Nm
Spark plugs
16±2 Nm
Engine oil pressure switch
15±3 Nm
Oil filter
14±2 Nm
Chassis tightening torques
Front hub - wheel bearing housing bolts
57±3 Nm
Rear hub
255±20 Nm
Bolts/nuts
Brake disc to hubFront
13±2 Nm
Brake caliper to carrierFront
27±4 Nm
Brake caliper/carrier to hubFront
90±12 Nm
Brake caliper to carrierRear
27±4 Nm
Brake caliper/carrier to hubRear
59±10 Nm
ABS sensorFront
11±2 Nm
ABS sensorRear
22±3 Nm
Road wheels
103±15 Nm
06
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 refrigerantType
R134a
Air conditioning refrigerant quantitygrams
430
Air conditioning oil group
PAG
Air conditioning oilType
Dens Oil 8
Air conditioning oil quantitycm³
60
Air conditioning oil viscosityISO
46
Frequently asked questions
How much oil does the Mazda RX-8 1.3 R3 take?
The Mazda RX-8 1.3 R3 (2008–2010) takes 3.5 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What is the ignition timing for the Mazda RX-8 1.3 R3?
The ignition timing on the Mazda RX-8 1.3 R3 (2008–2010) is not adjustable.
What is the minimum brake disc thickness for the Mazda RX-8 1.3 R3?
Brake discs on the Mazda RX-8 1.3 R3 (2008–2010) are replaced at a minimum thickness of 22 mm (ventilated) front and 16 mm rear.