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HOMESERVICE MANUALSACURA2011RDX 2.3 TB1REPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSIONTRANSMISSION RANGE SWITCH REPLACEMENT
2011 Acura RDX 2.3 TB1

Transmission Range Switch Replacement

2011 Acura RDX 2.3 TB1SECTION Transmission Range Switch Replacement
  1. Do the battery removal procedure (see RECONNECTION ).
  2. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  3. Remove the battery base (see step 5 under ENGINE REMOVAL ).
  4. Remove the spring clip (A) and the control pin (B), then separate the shift cable end (C) from the selector control lever (D).
    Fig 1: Spring Clip, Control Pin, Shift Cable End And Selector Control Lever With Torque Specifications
    G08051174Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the nuts securing the shift cable bracket (E).
  6. 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  ).
  7. Disconnect the transmission range switch connector.
  8. Pry the lock tab of the lock washer (A) on the selector control lever (B), and remove the locknut (C), the lock washer, the spring washer (D), and the selector control lever.
    Fig 2: Identifying Lock Washer, Selector Control Lever, Locknut And Spring Washer
    G08051175Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Pry the lock tabs of the lock washer (E) on the transmission range switch (F), hold the selector control shaft (G) with a 6.0 mm wrench, and loosen the locknut (H).
  10. Remove the locknut and lock washer, then remove the transmission range switch (two bolts).
  11. With a 6.0 mm wrench, turn the selector control shaft fully counterclockwise (viewed from the shaft end) to the P position. Turn the selector control shaft clockwise two clicks to the N position.
    Fig 3: Turning Selector Control Shaft
    G08051176Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Set a new transmission range switch (A) to the N position. The transmission range switch clicks in the N position, and the selector control shaft hole (B) aligns with the N position line (C).
    Fig 4: Identifying Transmission Range Switch With N Position
    G08051177Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Install the transmission range switch (A) gently over the selector control shaft (B), and install the bolts loosely.
    Fig 5: Identifying Transmission Range Switch And Selector Control Shaft
    G08051178Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Install a new lock washer (A) over the selector control shaft (B) by 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: Identifying Lock Washer, Selector Control Shaft And Projection Of Lock Washer
    G08051179Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Push the locknut (A) against the transmission housing to seat the transmission range switch into the selector control shaft (B), and tighten the locknut to 17 N.m (1.7 kgf.m, 13 lbf.ft) while holding the selector control shaft with a 6.0 mm wrench (C), bend the lock tabs (D) of the lock washer against the locknut.
    Fig 7: Tightening Locknut With Torque Specifications
    G08051180Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Tighten the bolts (E) to 12 N.m (1.2 kgf.m, 8.7 lbf.ft) securing the transmission range switch.
  17. Install the selector control lever (A), spring washer (B), a new lock washer (C), and locknut (D) on the selector control shaft (E). Bend the lock tab of the lock washer against the locknut.
    Fig 8: Selector Control Lever, Spring Washer, Locknut And Shaft With Torque Specifications
    G08051181Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Apply molybdenum grease to the hole in the bushing in the shift cable end, then install the shift cable bracket with the nuts.
  19. Attach the shift cable end to the selector control lever, then insert the control pin into the selector control lever hole through the shift cable end, and secure the control pin with the spring clip.
  20. Check the connectors for rust, dirt, or oil, and clean or repair if necessary, then connect the connectors securely.
  21. Install the battery base (see step 52 under ENGINE INSTALLATION ).
  22. Install the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  23. Do the battery installation procedure (see RECONNECTION ).
  24. Turn the ignition switch to ON (II). Move the shift lever through all positions, make sure the transmission range switch follows the A/T gear position indicator.
  25. Check that the engine starts in P and N, and does not start in any other shift lever position.
  26. Check that the back-up lights come on when the shift lever is in R.
  27. Raise the vehicle on a lift, allow all four wheels to rotate freely, then start the engine, and check the shift lever operation.
RENDER: 1.0x

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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.