CONTROL VALVE BODY REMOVAL/INSTALLATION [FN4A-EL]

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On-Vehicle Removal

Warning
•  A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool.
•  Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses whenever using compressed air.

1.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [MZR 1.6].)

2.  Remove the front under cover No.2. (See FRONT UNDER COVER No.2 REMOVAL/INSTALLATION.)

3.  Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents.

4.  Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [FN4A-EL].)

5.  Remove the oil pan.

6.  Remove the oil strainer.

7.  Disconnect each solenoid valve connector and GND.

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8.  Remove the bolts as shown, then remove the control valve body.

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9.  Remove the accumulators and accumulator springs.

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On-Vehicle Installation

Caution
•  Be sure to align the parking rod and the manual valve.
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1.  Install the accumulator springs, accumulators and control valve body.

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Accumulator spring specification

Spring

Outer diameter (mm {in})

Free Length (mm {in})

No. of coils

Wire diameter (mm {in})
Servo apply accumulator large spring
21.0 {0.827}
67.8 {2.669}
10.3
3.5 {0.138}
Servo apply accumulator small spring
13.0 {0.512}
67.8 {2.669}
17.1
2.2 {0.087}
Forward accumulator large spring
21.0 {0.827}
75.0 {2.953}
10.7
2.3 {0.091}
Forward accumulator small spring
15.6 {0.614}
49.0 {1.929}
7.7
2.4 {0.094}

2.  Tighten the bolts as shown to install the control valve body.

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Tightening torque
8—10 N·m {82—101 kgf·cm, 71—88 in·lbf}

Bolt length measured from below the head

Mark

Length measured from below the head
B
40mm {1.575 in}
No mark
70mm {2.756 in}

3.  Match the harness colors, then connect each solenoid valves connector.

Connector color (harness-side)

Solenoid valve

Connector color
Pressure control solenoid
Black
Shift solenoid A
White
Shift solenoid B
Blue
Shift solenoid C
Green
Shift solenoid D
White
Shift solenoid E
Black

4.  Install the GND.

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Tightening torque
8—10 N·m {82—101 kgf·cm, 71—88 in·lbf}

5.  Install the TFT sensor to the oil strainer.

6.  Install the oil strainer.

7.  Apply a light coat of silicone sealant (TB1217E or equivalent) to the contact surfaces of the oil pan and transaxle case.

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Caution
•  If any old sealant gets into the transaxle during installation of the oil pan, trouble may occur in the transaxle case and oil pan, and clean with cleaning fluids.

8.  Install the oil pan before the applied sealant starts to harden.

Caution
•  The removed bolts with spring washer cannot be reused. If they are reused, it could loosen the bolts due to spring weakness.
Tightening torque
Flange bolt: 6.0—8.0 N·m {62—81 kgf·cm, 54—70 in·lbf}
Bolt with spring washer: 8—10 N·m {82—101 kgf·cm, 71—88 in·lbf}

9.  Add ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [FN4A-EL].)

10.  Install the front under cover No.2. (See FRONT UNDER COVER No.2 REMOVAL/INSTALLATION.)

11.  Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [MZR 1.6].)

12.  Perform the “Mechanical System Test”. (See MECHANICAL SYSTEM TEST [FN4A-EL].)

13.  Perform the “Road Test”. (See ROAD TEST [FN4A-EL].)