Mazda RX-8 2004 - LUBRICATION SYSTEM; COOLING SYSTEM

OUTLINE
01–00–3
2004 Mazda RX-8 Service Highlights (3378-1U-03C)
01–00
Port timing
IN
Open
Primary port
ATDC
3°
Secondary port 12°
Auxiliary port – 38°
Close
Primary port
ABDC
60° 65°
Secondary port 45° 36°
Auxiliary port – 80°
EX
Open BBDC 40° 50°
Close BTDC 3°
LUBRICATION SYSTEM
Type Force-fed type
Oil pump
Type Trochoid gear
Relief valve opening pressure
(approx. quantity)
(kPa {kgf/cm
2
,
psi} )
441—490 {4.5—5.0, 64.0—71.0}
Oil filter
Type Full-flow
Relief valve opening pressure
(approx. quantity)
(kPa {kgf/cm
2
,
psi} )
78—118 {0.8—1.2, 11.4—17.1}
Oil pressure (approx. quantity)
[oil temperature 100°C {212°F}]
(kPa {kgf/cm
2
, psi} [rpm] )
350 {3.57, 50.8} [3,000]
Oil capacity
(approx. quantity)
Oil replacement 3.3 {3.5, 2.9}
Oil and oil filter replacement 3.5 {3.7, 3.1}
(L {US qt, lmp qt}) Engine overhaul 4.7 {5.0, 4.1}
Total (dry engine) 5.8 {6.1, 5.1} 6.7 {7.1, 5.9}
Recommended oil
API service SL
SAE viscosity 5W–20
ILSAC GF–3
COOLING SYSTEM
Type Water-cooled, forced circulation
Coolant capacity (L {US qt, lmp qt}) 9.8 {10.4, 8.6}
Water pump Centrifugal, V-ribbed belt-driven
Thermostat
Type Wax
Opening temperature (°C {F°}) 80—84 {176—183}
Full-open temperature (°C {F°}) 95 {203}
Full-open lift (mm {in}) 8.5 {0.33} or more
Radiator Type Corrugated fin
Cooling system cap
Cap valve opening pressure
73.3—103.3 {0.748—1.053, 10.63—14.98}
(kPa {kgf/cm
2
, psi} )
Cooling fan
Type Electronic
Number of blades
Cooling fan No.1: 5,
Cooling fan No.2: 7
Outer diameter (mm {in}) 300 {11.8}
FUEL SYSTEM
Injector
Type Multiple hole design
Type of fuel delivery Top-feed
Type of drive Electronic
Pressure regulator control pressure
(kPa {kgf/cm
2
, psi})
Approx. 390 {3.98, 56.6}
Fuel pump type Electric
Fuel tank capacity (approx.
quantity)
(L {US gal, lmp gal}) 60 {15.9, 13.2}
Fuel type Unleaded premium (unleaded high-octane) gasoline
EMISSION SYSTEM
AIR system Air pump, air control valve
Catalyst type Three-way catalyst (monolithic)
EVAP control system Canister design
Item
Specifications
13B-MSP
(Standard power)
13B-MSP
(High power)