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Nissan Sentra B18 (2020-2025) Service Manual: Water Hose

Exploded View

Exploded View

1.

Hose clamp

2.

Water hose A

3.

Water hose B

4.

Water hose C

5.

Heater thermostat housing

A.

To water outlet. Refer to Exploded View.

B.

To water pump. Refer to Exploded View.

C.

To oil cooler. Refer to Exploded View.

 .

Removal and Installation

Removal and Installation

REMOVAL

Warning:

Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by turning it all the way.

CAUTION:

Perform when the engine is cold.

Note:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

Remove front under cover. Refer to Removal and Installation.

Remove hose clamps, and remove CVT water hose A.

Remove hose clamps, and remove CVT water hose B.

Remove hose clamps, and remove CVT water hose C.

Remove hose clamps and bolt, then remove heater thermostat housing.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

  • Do not reuse hose clamp and clip.

  • Securely install the water hose clip to the converter housing.

  • Refer to the following when installing water hoses.

    Hose (1)

    Installation side tube (2)

    Direction of paint mark

    Hose insertion depth

    Water hose A

    Water outlet

    Matches with protrusion of water-outlet or rearward

    Hose end reaches end of water-outlet tube

    CVT oil warmer

    Align with mark on CVT oil warmer or frontward

    Hose end reaches the 2-stage bulge

    Water hose B

    Water pump

    Frontward

    Heater thermostat housing

    Water hose C

    Heater thermostat housing

    Oil cooler

    Heater thermostat housing

    Water pump

    Oil cooler

    CVT oil warmer

  • Refer to the followings when installing hose clamp.

    CAUTION:

    Hose clamp should not interfere with the bulge of tube.

    Hose (1)

    Installation side tube (2)

    Hose clamp (3)

    Direction of tab

    Clamping position (A)

    Water hose A

    Water outlet

    Align with mark on water hose or rearward

    5 – 7 mm (0.20 – 0.28 in) from hose end

    CVT oil warmer

    Align with mark on water hose or frontward

    Water hose B

    Water pump

    Frontward

    Heater thermostat housing

    Water hose C

    Heater thermostat housing

    Oil cooler

    Heater thermostat housing

    Water pump

    Oil cooler

    CVT oil warmer

Inspection

Inspection

INSPECTION AFTER INSTALLATION

Start the engine.

Check visually that there is no leakage of engine coolant.

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