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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Automatic Transmission - 6T45 (MH7) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Drain and Fill >> Fluid Level Check

Fluid Level Check

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine.
  2. Depress the brake pedal and move the shift lever through each gear range, pausing for about 3 seconds in each range. Then move the shift lever back to PARK (P).
  3. Allow the engine to idle between 500 to 800 RPM for at least 3 minutes, to allow any fluid frothing to dissipate and the fluid level to stabilize. Release the brake pedal.
    4. CAUTION:

    The transmission fluid level must be checked when the transmission fluid temperature (TFT) is at 85-95°C (185-203°F). If the TFT is not at this temperature, operate the vehicle or allow the fluid to cool as required. Setting the fluid level with a TFT outside this temperature will result in either an under or over-filled transmission. TFT over 95°C under-filled, TFT under 85°C over-filled. An under-filled transmission will cause premature component wear or damage. An over-filled transmission will cause fluid to discharge out the vent tube, fluid foaming, or pump cavitation.

  4. Keep the engine running and observe the transmission fluid temperature (TFT), using the driver information center or a scan tool.
    5. CAUTION:

    When performing a transmission fluid fill, verify that the vehicle is raised level. A vehicle that is not horizontally aligned will result in too high or too low transmission fluid level. An under or over filled transmission will cause malfunction or damage to the transmission.

    NOTE:

    While checking the fluid level, the engine must be running and the shift lever has to be in the PARK range.

  5. Raise the vehicle on a hoist.
  6. GM3969227
    WARNING:

    Refer to Checking Hot Transmission Fluid through Drain Plug Hole Warning .

    While the vehicle is idling, remove the fluid level plug (1). Allow any fluid to drain into a drip pan.

    • If the fluid is flowing as a steady stream, wait until the fluid drips out one time per second. Continue with step 11.
    • If no fluid comes out, add fluid until it drips out of the fluid level plug hole one time per second. Continue with step 7.
  7. Lower the vehicle.
  8. GM2371617

    Remove the transmission vent hose (2) and the transmission fluid filler cap (1).

  9. While the vehicle is idling, add fluid through the fluid filler cap hole, until fluid is flowing as a stream out of the fluid level plug hole. Wait until the fluid is only dripping out of the fluid level plug hole one time per second.
  10. Raise the vehicle.
  11. GM3969227
    CAUTION:

    Refer to Fastener Caution .

    Install the fluid level plug (1) and tighten to 12 N.m (106 lb in).

  12. Lower the vehicle.
  13. Stop the engine.
  14. GM2371617

    Install the transmission fluid filler cap (1) and the transmission vent hose (2).

  15. Install the engine control module. Refer to Engine Control Module Replacement .
  16. Raise the vehicle.
  17. If equipped, install the left front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
  18. If equipped, install the engine shield. Refer to Engine Shield Replacement .
  19. If equipped, install the front compartment insulator. Refer to Front Compartment Insulator Replacement .
  20. Lower the vehicle.
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