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Home >> Honda >> 2005 >> Pilot EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Transfer Assembly >> Inspection >> Transfer Gear Backlash Measurement

Transfer Gear Backlash Measurement

  1. Set a dial indicator (A) on the transfer companion flange (B); position dial indicator tip (C) on the direct extension of the bolt hole center (D).
    Fig 1: Setting Dial Indicator (A) On Transfer Companion Flange (B), Positioning Dial Indicator Tip (C) On Direct Extension Of Bolt Hole Center (D)
    G04546775Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Measure the transfer gear backlash.

    Standard: 0.06-0.16 mm (0.02-0.06 in.) 

    3. Total Starting Torque Measurement 

  3. Rotate the companion flange several times to seat the tapered roller bearings.
  4. Measure the starting torque at the companion flange (A) using a torque wrench (B).

    Standard: 2.74-5.55 N.m (28.0-56.6 kgf.cm, 24.3-49.1 lbf.in.) 

    Fig 2: Measuring Starting Torque At Companion Flange (A) Using Torque Wrench (B)
    G04546776Courtesy of AMERICAN HONDA MOTOR CO., INC.

    5. Transfer Gear (Hypoid Gear) Tooth Contact Inspection 

  5. Remove the transfer cover (A) from the transfer housing (B), and remove the O-ring (C) from the transfer cover.
    Fig 3: Removing Transfer Cover (A) From Transfer Housing (B), And Removing O-Ring (C) From Transfer Cover
    G04546777Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Remove the transfer drive gear/shaft assembly (D), 25 mm thrust shim (E), and tapered roller bearing (F).
  7. Apply Prussian Blue to both sides of the transfer drive gear teeth lightly and evenly.
  8. Install the tapered roller bearing, 25 mm thrust shim, and transfer drive gear/shaft assembly in the transfer housing.
  9. Install the transfer cover, and tighten the bolts. Do not install the O-ring on the transfer cover.
  10. Rotate the companion flange in both directions until the transfer gear rotates one full turn in both directions.
  11. Remove the transfer cover and transfer drive gear/shaft assembly, and check the transfer drive gear tooth contact pattern. The pattern should be centered on the gear teeth as shown.
    Fig 4: Checking Transfer Drive Gear Tooth Contact Pattern
    G04546778Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. If the measurements are out of standard or the tooth pattern is not correct, disassemble the transfer assembly and repair it.
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