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Home >> Acura >> 2007 >> RDX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> A/T Gear Position Indicator >> Transmission Range Switch Replacement

Transmission Range Switch Replacement

  1. Do the battery removal procedure (see REMOVAL ).
  2. Remove the charge air cooler cover.
  3. Remove the air cleaner (see THROTTLE BODY CLEANING ).
  4. Remove the battery base (see step REMOVAL ).
  5. Remove the nuts securing the shift cable bracket (A).
    Fig 1: Shift Cable Bracket Nut With Torque Specifications
    G00485303Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Remove the spring clip/washer ('07 model) (B), the spring clip ('08-09 models) (C), and control pin (D), then separate the shift cable end (E) from the control lever (F).
  7. Check the bushing (F) in the shift cable end for proper fit and wear. If the bushing is loose or worn, replace the shift cable (see SHIFT CABLE REPLACEMENT ).
  8. Disconnect the transmission range switch connector.
  9. Pry the lock tab of the lock washer (A) on the control lever (B), and remove the nut (C), lock washer, spring washer (D), and control lever.
    Fig 2: Removing/Installing Transmission Range Switch
    G05445258Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Pry the lock tabs of the lock washer (E) on the transmission range switch (F), hold the control shaft (G) with a 6.0 mm wrench, and loosen the locknut (H).
  11. Remove the locknut and lock washer, then remove the transmission range switch (two bolts).
  12. Set the new transmission range switch (A) to the N position. The transmission range switch clicks in the N position, and the control shaft hole (B) aligns with the N position line (C).
    Fig 3: Setting Transmission Range Switch To N Position
    G05445259Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. With a 6.0 mm wrench, turn the control shaft fully counterclockwise (viewed from the shaft end) to the P position. Turn the control shaft back two click-stopped positions so it is in the N.
    Fig 4: Turning Control Shaft Fully Counterclockwise
    G05445260Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Install the transmission range switch (A) gently over the control shaft (B), and install the bolts loosely.
    Fig 5: Identifying Transmission Range Switch
    G05445261Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Install the new lock washer (A) over the control shaft (B) while aligning the projection (C) of the lock washer with the N positioning line (D) on the transmission range switch (E), and install the locknut (F).
    Fig 6: Installing Lock Washer Over Control Shaft
    G05445262Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Push the locknut against the transmission housing to seat the transmission range switch into the control shaft, and tighten the locknut (A) to 12 N.m (1.2 kgf.m, 8.7 lbf-ft) while holding the control shaft (B) with a 6.0 mm wrench (C), bend the lock tabs (D) of the lock washer against the locknut.
    Fig 7: Tightening Transmission Range Switch Locknut With Torque Specifications
    G05445263Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Tighten the bolts (E) to 12 N.m (1.2 kgf.m, 8.7 lbf.ft) securing the transmission range switch.
  18. Install the control lever (A), spring washer (B), lock washer (C), and locknut (D) on the control shaft (E).
    Fig 8: Installing Control Lever With Torque Specifications
    G05445264Courtesy of AMERICAN HONDA MOTOR CO., INC.
  19. Apply molybdenum grease to the hole in the bushing in the shift cable end, attach the shift cable end to the control lever, then insert the control pin into the control lever hole through the shift cable end, and secure the control pin with the spring clip/washer.
  20. Secure the shift cable bracket with the nuts.
  21. Check the connectors for rust, dirt, or oil, clean, them if necessary then connect the connectors securely.
  22. Install the battery base(see step 51 on ENGINE INSTALLATION ).
  23. Install the air cleaner(see THROTTLE BODY CLEANING ).
  24. Install the charge air cooler cover.
  25. Do the battery installation procedure( see INSTALLATION ).
  26. Turn the ignition switch to ON (II). Move the shift lever through all positions, and check the transmission range switch synchronization with the A/T gear position indicator.
  27. Check that the engine starts in P and N, and does not start in any other shift lever position.
  28. Check that the back-up lights come on when the shift lever is in R.
  29. Raise the vehicle on a lift, allow all four wheels to rotate freely, then start the engine, and check the shift lever operation.
  30. Do the power window control unit reset procedure (see RESETTING THE POWER WINDOW CONTROL UNIT ).
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