Mazda 6 2002, Руководство по ремонту

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AUTOMATIC TRANSAXLE
K–7
K
15. Remove the SSTs .
16. Install a new square head plug in the inspection port.
Tightening torque
5.0—9.8 N·m {50—100 kgf·cm, 44—86 in·lbf}
Evaluation of line pressure test
Stall Test
1. Perform mechanical system test preparation. (See K–6 Mechanical System Test Preparation .)
2. Start the engine.
3. Firmly depress the brake pedal with the left foot.
4. Shift the selector lever to D range.
Caution
•
If the accelerator pedal is pressed for longer than 5 seconds while the brake pedal is pressed, the
transaxle could be damaged. Therefore, perform Steps 5 and 6 within 5 seconds of each other.
5. Gently depress the accelerator pedal with the right foot.
6. When the engine speed no longer increases, quickly read the speed and release the accelerator pedal. When
the engine speed no longer increases, quickly read the speed and release the accelerator pedal.
7. Shift the selector lever to N position and let the engine idle for 1 minute or more to cool the ATF.
8. Perform a stall test of D (HOLD), S, S (HOLD), L, L (HOLD) and R range positions in the same manner as in
Steps 3—7.
9. Turn the ignition switch off.
Engine stall speed
* : Includes each HOLD mode
Line pressure Possible cause
Low pressure in all ranges
Worn oil pump
Oil leaking from oil pump, control valve body, and/or transaxle case
Pressure regulator valve sticking
Pressure control solenoid malfunction
Pressure modulator valve sticking
Solenoid reducing valve sticking
Low pressure in D and S only Oil leaking from hydraulic circuit of forward clutch
Low pressure in L and R only Oil leaking from hydraulic circuit of low and reverse brake
Low pressure in R only Oil leaking from hydraulic circuit of reverse clutch
High pressure in all ranges
Pressure control solenoid malfunction
Pressure regulator valve sticking
Pressure modulator valve sticking
Pressure reducing valve sticking
Position/
Range
Engine stall speed (rpm)
LF
D, S, L*
2,000—2,600
R