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Nissan Sentra B18 (2020-2025) Service Manual: Control Valve

Exploded View

Exploded View

1.

Transaxle assembly

2.

Electric oil pump gasket

3.

Control valve

4.

Electric oil pump

5.

Terminal assembly (black)

6.

Terminal assembly (red)

A

Refer to Removal and Installation.

        

Removal and Installation

Removal and Installation

REMOVAL

Disconnect battery negative terminal. Refer to Battery Disconnect.

Remove the control valve cover. Refer to Removal and Installation.

Disconnect the harness connector (A) from the control valve and route the wire from the control valve.

Remove the control valve bolts (A), and then remove the control valve (1).

CAUTION:

Do not drop the control valve.

INSTALLATION

CAUTION:

  • Do not drop the control valve.

  • Ensure the harness is correctly routed and does not get pinched.

Before installing the control valve (1), push the shaft (2) inward fully, then rotate the manual lever (3) as shown.

Position the control valve to the transaxle and verify the shaft (1) and manual lever (2) align as shown.

Loosely install the bolts (A,B,C,D) in the correct location as shown, then tighten to the specified torque.

Bolt

Bolt length mm (in)

Number of bolt

A

68 (2.68)

6

B

76 (2.99)

2

C

87 (3.43)

4

D

94 (3.70)

3

Control valve bolts

: 7.9 N·m (0.81 kg-m, 70 in-lb)

CAUTION:

  • There are 4 types of bolts for control valve installation. Install the bolts in the correct locations.

Route the harness (B) through the notch (A) in the control valve, then under the bolt (C). Install the connector (D).

Instal the control valve cover. Refer to Removal and Installation.

Perform CVT fluid refill. Refer to Refilling.

Perform "ADDITIONAL SERVICE WHEN REPLACING CONTROL VALVE." Refer to Description.

Inspection and Adjustment

Inspection and Adjustment

INSPECTION AFTER REMOVAL

Check control valve cover for foreign material.

  • If a large amount of worn material is found, clutch plate may be worn.

  • If iron powder is found, bearings, gears, or clutch plates may be worn.

  • If aluminum powder is found, bushing may be worn, or chips or burrs of aluminum casting parts may enter.

Check points where wear is found in all cases.

INSPECTION AFTER INSTALLATION

Check the CVT fluid level and leakage. Refer to Inspection.

ADJUSTMENT AFTER INSTALLATION

Perform "ADDITIONAL SERVICE WHEN REPLACING CONTROL VALVE." Refer to Description.

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