2021 Hyundai Accent SE, Standard TransFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Installation

  1. To install, reverse the removal procedures.
    NOTE: Install the control shaft complete, after check the changes below.
    1. Main changes of the M/T case
      1. 3 poppet ball taps
      2. 1 poppet ball tap for 5th/6th shift rail
      3. 2 poppet ball taps for (1st/2nd, 3rd/4th) shift rails have been deleted.
      4. The number of poppet balls has been reduced from 3EA to 1EA and the grooves on the 1st/2nd, 3rd/4th shift rails have been deleted.
      5. The shift groove of control finger has been changed in shape.
      M/T type Previous New
      Case
      G14077211Courtesy of HYUNDAI MOTOR AMERICA
      G14077212Courtesy of HYUNDAI MOTOR AMERICA
      Control Shaft Complete
      G14077213Courtesy of HYUNDAI MOTOR AMERICA
      G14077214Courtesy of HYUNDAI MOTOR AMERICA
    2. When trying to replace the previously designed control shaft complete with a newly designed one from the previously designed M/T case.
      • Replace with a newly designed control shaft complete (A), Remove the poppet ball (C-2ea) for 1st/2nd, 3rd/4th shift rails from the previously designed M/T case (B) and then assemble the seal bolt (D-2ea) to that position.
      G14077215Courtesy of HYUNDAI MOTOR AMERICA
    3. When trying to replace the previously designed M/T case with a newly designed one.
    • Be sure to also replace the previously designed control shaft complete (B) with A newly designed one as well as the M/T case (A).
    • Assemble poppet bolt (C-1ea) to the newly designed M/T case (A) (Previous: 3ea).
    G14077216Courtesy of HYUNDAI MOTOR AMERICA
    • When installing, set control shaft lever to neutral position (A).
      G14077217Courtesy of HYUNDAI MOTOR AMERICA
    • Apply the sealant to the contact surface of transaxle and control shaft.

    Specified sealant:  MS721-40 or MS721-38

    G14077218Courtesy of HYUNDAI MOTOR AMERICA
  2. After installing, check to be sure that this part operates as designed at each range of transaxle side corresponding to each position of shift lever.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.