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Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission/Transaxle -- Discovery/L462 >> Automatic Transmission/Transaxle >> General Procedures >> Automatic Transmission Fluid Level Check >> Check

Automatic Transmission Fluid Level Check: Check

WARNING:
  • Observe due care when draining, as the fluid can be very hot.
  • Observe due care when working near a hot exhaust system.
    • The following steps must be observed before starting the automatic transmission fluid level check.
    • The vehicle must be on a horizontal ramp.
    • Make sure that the Electric Park Brake (EPB) is applied.
    • Make sure the Transmission Control Switch (TCS) is in the Park (P) position.
  1. Raise and support the vehicle.

    Refer to: JACKING AND LIFTING .

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    • Remove the 10 bolts.
    • Remove the transmission undershield.
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    • Remove the 2 bolts.
    • Remove the heatshield.
  4. Lower the vehicle.
  5. CAUTION: Make sure that the transmission is not in default (service) mode. If this is the case, stop and correct the cause first and then perform the fluid level check procedure.
    • Connect Jaguar Land Rover approved diagnostic equipment to the vehicle.
    • Start the engine and allow it to idle.
    • Switch off the Air Conditioning (A/C) system and other electrical components.
  6. CAUTION: Using Jaguar Land Rover approved diagnostic equipment, make sure the transmission temperature is between 30°C (85°F) and 50°C (122°F) before starting the fluid level check.
    • Apply and hold the brake pedal.
    • Select Reverse (R) gear and wait for 10 seconds.
    • Select Drive (D), then manual 1st gear and wait for 10 seconds.
    • Select 2nd gear and wait for 10 seconds.
    • Select Park (P) position on the TCS.
  7. Raise the engine speed to 2000 rpm and hold for 30 seconds. Then let it return to idle speed.
    • Using Jaguar Land Rover approved diagnostic equipment, check the transmission fluid temperature.
    • If the transmission fluid temperature is lower than 30°C (86°F). Allow the transmission to warm up above 30°C (86°F) with the engine idling in the P position, then proceed with the transmission fluid level check.
    • If the transmission fluid temperature is above 50°C (122°F), switch off the engine and allow the transmission to cool down, then repeat steps  7 and  8.
  8. Raise and support the vehicle.
  9. CAUTION:
    • The engine needs to idle with the Transmission Control Switch (TCS) in the Park (P) position for correct transmission fluid level reading.
    • Only continue with the fluid level check procedure if the transmission temperature is between 30°C (86°C) and 50°C (122°).
    NOTE: Use a suitable container to collect escaping fluid.
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    • Remove the fluid filler plug, do not discard.
    • If fluid flows out of the fluid filler hole, proceed to step  14.
    • If fluid does not flow out of the fluid filler hole, proceed to step  13.

      Special Tool(s): 307-452 

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    • Top up the transmission with the recommended automatic transmission fluid until fluid flows out of the fluid filler hole. Refer to fluid specifications. Refer to: SPECIFICATIONS .
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    Allow the transmission fluid to drain from the fluid filler hole until the flow stops.

  12. NOTE: Install the original fluid filler plug.
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    • Using the special tool, install the original fluid filler plug.
    • Special Tool(s): 307-452 
  13. CAUTION: Make sure the transmission fluid filler plug is tightened to the correct specification. Failure to follow this instruction may result in damage to the transmission.
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    • To make sure the transmission fluid filler plug is tightened to the correct specification, use the special tool and a torque wrench and follow the steps below:
    • Step 1. Multiply 35 Nm by the effective length of the torque wrench (1).
    • Step 2. Add the effective length of the special tool (2) to the effective length of the torque wrench (1).
    • Step 3. Divide the total of step 1 by the total of step 2.
    • Step 4. Set the torque wrench to the figure arrived at in step 3.
    • Tighten the transmission fluid filler plug to the torque given by the calculation.
    • Remove the special tool.

      Special Tool(s): 307-452 

  14. Clean the area around the fluid filler plug, wipe away any excess fluid and remove the container.
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    • Install the heatshield.
    • Install and tighten the 2 bolts.

      Torque:  9 Nm

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    • Install the transmission undershield.
    • Install and tighten the 10 bolts.

      Torque: 

      M10 60 Nm

      M6 10 Nm

  17. Lower the vehicle.
  18. Disconnect the Jaguar Land Rover approved diagnostic equipment.