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Home >> Infiniti >> 2006 >> FX45 >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> A/T Fluid >> Checking A/T Fluid

Checking A/T Fluid

  1. Warm up engine.
  2. Check for A/T fluid leakage.
  3. Loosen the level gauge bolt.
  4. Before driving, A/T fluid level can be checked at A/T fluid temperatures of 30 to 50°C (86 to 122°F) using "COLD" range on A/T fluid level gauge as follows.
    1. Park vehicle on level surface and set parking brake.
    2. Start engine and move selector lever through each gear position. Leave selector lever in P position.
    3. Check A/T fluid level with engine idling.
    4. Remove A/T fluid level gauge and wipe clean with lint-free paper.
      Fig 1: Identifying A/T Fluid Temperatures
      G04075389Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: When wiping away the A/T fluid level gauge, always use lint-free paper, not a cloth one.
    5. Re-insert A/T fluid level gauge into A/T fluid charging pipe as far as it will go.
      CAUTION: To check A/T fluid level, insert the A/T fluid level gauge until the cap contacts the end of the A/T fluid charging pipe, with the A/T fluid level gauge reversed from the normal attachment conditions.
    6. Remove A/T fluid level gauge and note reading. If reading is at low side of range, add ATF to the A/T fluid charging pipe.
      CAUTION: Do not overfill.
  5. Drive vehicle for approximately 5 minutes in urban areas.
  6. Make the A/T fluid temperature approximately 65°C (149°F).
    NOTE: A/T fluid level will be greatly affected by temperature as shown in figure. Therefore, be certain to perform operation while checking data with CONSULT-II.
    Fig 2: A/T Fluid Level Temperature Graph
    G04075390Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Connect CONSULT-II to data link connector.
    2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Read out the value of "ATF TEMP 1".
  7. Recheck A/T fluid level at A/T fluid temperatures of approximately 65°C (149°F) using "HOT" range on A/T fluid level gauge.
    CAUTION:
    • When wiping away the A/T fluid level gauge, always use lint-free paper, not a cloth one.
    • To check A/T fluid level, insert the A/T fluid level gauge until the cap contacts the end of the A/T fluid charging pipe, with the A/T fluid level gauge reversed from the normal attachment conditions as shown.
  8. Check A/T fluid condition.
    • If ATF is very dark or smells burned, check operation of A/T. Flush cooling system after repair of A/T.
      Fig 3: Identifying A/T Fluid Level Gauge Into A/T Fluid Charging Pipe
      G04075391Courtesy of NISSAN MOTOR CO., U.S.A.
    • If ATF contains frictional material (clutches, bands, etc.), replace radiator and flush cooler line using cleaning solvent and compressed air after repair of A/T. Refer to "RADIATOR " (for VQ35DE) or CO-41"RADIATOR" (for VK45DE) and "A/T FLUID COOLER CLEANING ".
  9. Install the removed A/T fluid level gauge in the A/T fluid charging pipe.
  10. Tighten level gauge bolt.
    Fig 4: Identifying Level Gauge Bolt
    G04075392Courtesy of NISSAN MOTOR CO., U.S.A.

    Level gauge bolt: 

    : 5.1 N.m (0.52 kg-m, 45 in-lb)