Mazda RX-8 Manual page 1331

2. Flush oil cooler/lines until discharged fluid is clean.
OIL COOLER REMOVAL/INSTALLATION
1. Remove the engine cover.
(See ENGINE COVER REMOVAL/INSTALLATION .)
2. Remove the battery cover.
3. Disconnect the negative battery cable.
4. Drain the ATF. (See AUTOMATIC TRANSMISSION FLUID (ATF) REPLACEMENT .)
5. Remove the following parts.
a. Splash shield
b. Under cover
c. Battery tray, battery duct
(See BATTERY REMOVAL/INSTALLATION .)
d. Air cleaner duct, air cleaner, air cleaner bracket
e. PCM duct
f. Catalytic converter
(See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
6. Remove in the order indicated in the table.
7. Install in the reverse order of removal.
8. Add ATF to the specified level. (See AUTOMATIC TRANSMISSION FLUID (ATF)
REPLACEMENT .)
9. Inspect for oil leakage from the oil pipes and oil hoses.
10. Inspect for coolant from the hoses.
11. Inspect the ATF level and condition. (See AUTOMATIC TRANSMISSION FLUID (ATF)
INSPECTION .)
12. Perform the line pressure test. (See Line Pressure Test .)
13. Perform the road test. (See ROAD TEST .)
(w) RX-8 Transmission (Manual & Auto)
Page 306