2012 Acura TL BaseFACTORY OEM SERVICE PROCEDURE

Countershaft Reassembly

Special Tools RequiredΒ 

Driver Handle, 40 mm I.D. 07746-0030100

  1. Slide the park gear (A) over the countershaft (B).
    Fig 1: Identifying Park Gear And Countershaft
    G08066769Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Place the park gear (A) on press bases (B), and place a spacer (C) between the countershaft (D) and the press to prevent damaging the countershaft.
    Fig 2: Placing Park Gear On Press Bases And Place Spacer Between Countershaft
    G08066770Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Install the park gear using a press.
  4. Install the 53 x 57 x 20 mm needle bearing (A), 1st gear (B), 5th gear (C), the 42.5 x 52.5 x 2.5 mm thrust washer (D), the 5th gear collar (E), the selected 42.5 mm thrust shim (F), and 2nd gear (G) on the countershaft (H). Install 2nd gear and 5th gear in the direction shown.
    Fig 3: Identifying Needle Bearing, 1st Gear, 5th Gear, Thrust Washer, 5th Gear Collar, Thrust Shim, 2nd Gear And Countershaft
    G08066771Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Install the ball bearing (A) over the countershaft (B), then press it into place using the 40 mm I.D. driver handle and the press.
    Fig 4: Installing Ball Bearing Over Countershaft Using Driver Handle And Press
    G08066772Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Secure the final drive gear part of the countershaft in a bench vise with wood blocks, install a new lock bolt (A), and tighten it to 125 N.m (12.7 kgf.m, 92 lbf.ft). The lock bolt has left-hand threads.
    NOTE: After this procedure, remove wood chips that may be stuck to the gear.
Factory Service Tools

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When to See a Mechanic

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

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