CVT (CONTINUOUSLY VARIABLE TRANSAXLE) FLUID INSPECTION [DJVA-EL]

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Vehicles with Filler Tube

CVT fluid condition inspection

Note

•  If there is a malfunction in the CVT, the condition of the CVT fluid changes frequently, and it therefore becomes the primary focus of the CVT malfunction diagnosis.

•  If water or an unspecified fluid penetrates the CVT fluid, it will cause shock and affect durability, and it could also adversely affect the friction material and sealant causing loss of functionality.

1.  Pull out the dipstick.

2.  Verify that the CVT fluid color is a clear red color.

•  If there are large quantities of metal and lining particles mixed in with the CVT fluid, a burnt odor, blackening, or white turbidity, the internal part of the CVT can be considered to be malfunctioning, therefore replace the CVT or the torque converter. If there is white turbidity, the cause is water penetration, therefore inspect for water penetration from the oil cooler.

CVT fluid level inspection

Note

•  If the CVT fluid level has dropped, it will cause malfunctions such as air suctioning from the oil pump, decreases in line pressure, and clutch slippage.

•  If there is excessive CVT fluid, it will cause malfunctions such as the gears in the CVT agitating the CVT fluid, causing the CVT fluid to foam, leading to deterioration and loss of functionality. If the vehicle is driven under these conditions, the CVT fluid level increases and the CVT fluid discharges from the breather.

Caution

•  The CVT fluid level at low temperature is clearly different from the fluid level at high temperature. Always inspect the CVT fluid after the CVT is warmed up.

1.  Warm up the CVT until the CVT fluid temperature is approx. 60—70 °C {140—158 °F}.

2.  Park the vehicle on level ground, apply the parking brake firmly, and set the wheel blocks.

3.  With the brake pedal depressed, shift the selector lever from the P position to the D range at intervals of several seconds, and then shift to the P position again.

4.  Drain the dipstick and wipe it off using a nylon cloth while leaving the engine idling.

5.  Insert the dipstick and pull it out again.

6.  Verify that CVT fluid level is within the specified range after the dipstick is warm.

•  If the CVT fluid level is not within the specified range while warmed, adjust the CVT fluid level.

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Note

•  If the CVT fluid level has dropped, it may indicate an oil leakage, therefore inspect the related parts sufficiently.

Vehicles without Filler Tube

CVT fluid condition inspection

Note

•  If there is a malfunction in the CVT, troubleshooting is mainly focused on some change in the CVT fluid, which is often the cause.

•  If water or a non-indicated substance is mixed with the CVT fluid, shock could occur and affect durability, and also have adverse effects on the friction material and seals resulting in a malfunction.

1.  Verify that the CVT fluid is a transparent red color.

•  If there are a large amount of metal chips or lining chips mixed in the fluid, or there is a burnt odor, blackening, or white turbidity to the fluid, the CVT can be considered to be malfunctioning and therefore needs to be replaced.

•  If there is white turbidity, inspect the oil cooler for water penetration as water mixed into the fluid is the cause.

CVT fluid level inspection

Note

•  For vehicles without a filler tube, a dipstick is not equipped. Therefore, the CVT fluid level cannot be inspected using a dipstick.

•  For vehicles without a filler tube, inspect for CVT fluid leakage instead of inspecting the CVT fluid level using the dipstick. If there is no CVT fluid leakage, the CVT fluid amount can be determined to be appropriate.