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Nissan Sentra B18 (2020-2025) Service Manual: Stall Test

Work Procedure

Work Procedure

INSPECTION

Check the engine oil level. Replenish if necessary. Refer to Inspection.

Check for leak of the CVT fluid. Refer to Inspection.

Drive for about 10 minutes to warm up the Nissan Sentra vehicle so that the CVT fluid temperature is 50 to 80°C (122 to 176°F).

Be sure to apply the parking brake and block the tires.

Start the engine, depress the brake pedal and put the selector lever to the D position.

While depressing the brake pedal, depress the accelerator pedal gradually.

Read the stall speed quickly. Then, release your foot from the accelerator pedal quickly.

CAUTION:

Do not depress the accelerator pedal for 5 seconds or more during the test.

Stall speed

: Refer to Stall Speed.

Place the selector lever in the N position.

Cool the CVT fluid.

CAUTION:

Run the engine with the idle speed for at least 1 minute.

Put the selector lever to the R position and perform Step 6 to Step 9 again.

NARROWING-DOWN MALFUNCTIONING PARTS

Selector lever position

Possible cause

D

R

Stall speed

H

O

  • Forward clutch

O

H

  • Reverse brake

L

L

  • Engine

  • Torque converter one way clutch

H

H

  • Line pressure is low.

  • Primary pulley

  • Secondary pulley

  • Steel belt

O: Within the stall speed standard value.

H: Stall speed is higher than the standard value.

L: Stall speed is lower than the standard value.

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