Mazda RX-8 Manual page 1065

9. Firmly depress the brake pedal with the left foot.
10. Shift the selector lever to the D range.
CAUTION:
If the accelerator pedal is pressed for more than 5 s while the brake pedal is pressed, the
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transmission could be damaged. Therefore, perform Steps 11 and 12 within 5 s.
11. Gradually depress the accelerator pedal with the right foot.
12. When the engine speed no longer increases, quickly read the line pressure and release the accelerator
pedal.
13. Shift the selector lever to the N position and idle the engine for 1 min or more to cool the ATF.
14. Read the line pressure at the engine stall speed for the M range and R position in the same manner as in
Steps 913.Line pressure
Position/Range Line pressure (kPa {kgf/cm
Idle
320450 {3.34.6, 4665}
D, M
Stall
1,1301,330 {11.513.6, 164193}
Idle
380580 {3.95.9, 5584}
R
Stall
1,4701,700 {15.017.3, 213247}
P, N Idle
380580 {3.95.9, 5584}
15. WARNING:
Removing the square head plug when the ATF is hot can be dangerous. Hot ATF can come out
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of the opening and badly burn you. Before removing the square head plug, allow the ATF to
cool.
16. Remove the SSTs .
17. Install a new square head plug and O-ring in the inspection port.
Tightening torque
10.812.7 N·m {110130 kgf·cm, 96112 in·lbf}
o
Evaluation of line pressure test
Condition
Below
Idle
specification
2
, psi})
Low pressure in all
ranges
Possible cause
Worn oil pump
Poor operation of each solenoid
Fluid leakage from oil strainer, oil pump, pressure
regulator valve, torque converter relief valve, or
pressure relief valve
Pressure regulator valve or pilot valve sticking
Damaged pressure regulator valve spring or pilot valve
spring
(w) RX-8 Transmission (Manual & Auto)
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