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Home >> Acura >> 2007 >> RDX >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Removal And Installation >> Engine Removal

Engine Removal

Special Tools Required 

NOTE:
  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damaging the wiring and terminals, unplug the wiring connectors carefully while holding the connector portion.
  • Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact other wiring or hoses, or interfere with other parts.
  1. Secure the hood in the wide open position (support rod in the lower hole).
    Fig 1: Securing Hood In Wide Open Position (Support Rod In Lower Hole)
    G05459469Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  3. Do the battery terminal disconnection procedure (see DISCONNECTION ).
  4. Remove the battery.
  5. Remove the air cleaner housing assembly (see AIR CLEANER REMOVAL/INSTALLATION ).
  6. Remove the relay block (A) and harness clamps (B).
    Fig 2: Identifying Relay Block, Battery Base And Harness Clamps
    G05459470Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Loosen the lower bolts (C), and remove the upper bolts (D), then remove the battery base (E).
  8. Remove the charge air cooler cover (A), then remove the charge air cooler cover front bracket (B).
    Fig 3: Identifying Charge Air Cooler Cover And Charge Air Cooler Cover Front Bracket
    G05459471Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the air bypass outlet pipe (A).
    Fig 4: Identifying Air Bypass Outlet Pipe
    G05459472Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the battery cables (A) from the under-hood fuse/relay box.
    Fig 5: Identifying Battery Cables And Harness Connector
    G05459473Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Disconnect the harness connector (B).
  12. Disconnect the powertrain control module (PCM) connectors (A) and the engine wire harness connector (B).
    Fig 6: Identifying Powertrain Control Module Connectors And Engine Wire Harness Connector
    G05459474Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Remove the harness clamps (C).
  14. Remove the under-hood fuse/relay box from the bracket.
    Fig 7: Removing Under-Hood Fuse/Relay Box From Bracket
    G05459475Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose (B) (see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ).
    Fig 8: Removing Quick-Connect Fitting Cover
    G05459476Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Remove the heater hoses from the clamps (A), then remove the bolt (B) securing the heater hose clamp bracket.
    Fig 9: Removing Heater Hoses From Clamps
    G05459477Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Disconnect the evaporative emission (EVAP) canister hose (A), brake booster vacuum hose (B), and vacuum hose (C).
    Fig 10: Identifying Evaporative Emission Canister Hose, Brake Booster Vacuum Hose And Vacuum Hose
    G05459478Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Remove the shift cable (see SHIFT CABLE REPLACEMENT ).
  19. Remove the drive belt (see DRIVE BELT REMOVAL/INSTALLATION ).
  20. Remove the power steering (P/S) pump (A) without disconnecting the P/S hoses, then remove the P/S hose from the clamp (B).
    Fig 11: Removing P/S Hose From Clamp
    G05459479Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Wait until the engine is cool, then carefully remove the radiator cap.
  22. Raise the vehicle on the lift to full height.
  23. Remove the front wheels.
  24. Remove the splash shield.
    Fig 12: Identifying Splash Shield
    G05459480Courtesy of AMERICAN HONDA MOTOR CO., INC.
  25. Loosen the drain plug in the radiator, and drain the engine coolant (see COOLANT CHECK ).
  26. Drain the engine oil (see ENGINE OIL REPLACEMENT ).
  27. Drain the automatic transmission fluid (ATF) (see ATF REPLACEMENT ).
  28. Remove the three way catalytic converter (TWC).
    Fig 13: Identifying Three Way Catalytic Converter
    G05459481Courtesy of AMERICAN HONDA MOTOR CO., INC.
  29. Separate the stabilizer links from the stabilizer bar (see STABILIZER LINK REMOVAL/INSTALLATION ).
  30. Separate the knuckles from the lower arms (see step 2 under LOWER BALL JOINT REPLACEMENT ).
  31. Remove the driveshafts (see DRIVESHAFT INSPECTION ). Coat all precision-finished surfaces with clean engine oil. Tie plastic bags over the driveshaft ends.
  32. Remove the propeller shaft from the transfer shaft flange (see PROPELLER SHAFT REMOVAL ).
  33. Remove the bolt (A) securing the P/S fluid line bracket, and unclamp the P/S fluid line clamps (B) on the front subframe.
    Fig 14: Unclamping P/S Fluid Line Clamps
    G05459482Courtesy of AMERICAN HONDA MOTOR CO., INC.
  34. Remove the bolts securing the steering gearbox mounting brackets.
    Fig 15: Identifying Steering Gearbox Mounting Brackets Bolts
    G05459483Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Lower the vehicle on the lift.
  36. Remove the radiator (see RADIATOR REPLACEMENT ).
  37. Disconnect the A/C compressor clutch connector (A), then remove the A/C compressor (B) without disconnecting the A/C hoses.
    Fig 16: Identifying A/C Compressor Clutch Connector And A/C Compressor
    G05459484Courtesy of AMERICAN HONDA MOTOR CO., INC.
  38. Disconnect the heater hoses.
    Fig 17: Identifying Heater Hoses
    G05459485Courtesy of AMERICAN HONDA MOTOR CO., INC.
  39. Disconnect the automatic transmission fluid (ATF) cooler hoses (A), then plug the line and hose.
    Fig 18: Identifying Automatic Transmission Fluid Cooler Hoses
    G05459486Courtesy of AMERICAN HONDA MOTOR CO., INC.
  40. Remove the ground cable (B).
  41. Attach the engine support eyelet with the support bolt.
    Fig 19: Identifying Engine Support Eyelet
    G05459487Courtesy of AMERICAN HONDA MOTOR CO., INC.
  42. Remove the top corner clip (A) from the front grill on both sides. Place the engine support mount pads over the hood edge cushions (B), and align the pins with the clip hole (C). Remove the lids from both sides of the cowl cover. Install the engine support hanger (AAR-T-12566), then attach the hook to the engine support eyelet. Tighten the wing nut (D) by hand to lift and support the engine/transmission assembly.
    Fig 20: Identifying Hood Edge Cushion And Engine Support Hanger (AAR-T-12566)
    G05459488Courtesy of AMERICAN HONDA MOTOR CO., INC.
  43. Raise the lift to full height.
  44. Remove the lower torque rod.
    Fig 21: Identifying Lower Torque Rod
    G05459489Courtesy of AMERICAN HONDA MOTOR CO., INC.
  45. Make reference marks on the body across the marks (A) on the edge of the front subframe (B).
    Fig 22: Identifying Marks On Edge Of Front Subframe
    G05459490Courtesy of AMERICAN HONDA MOTOR CO., INC.
  46. Attach the subframe adapter (A) to the subframe and hang the belt of the subframe adapter over the front of the subframe, then secure the belt with its stop.
    Fig 23: Identifying Subframe Adapter
    G05459491Courtesy of AMERICAN HONDA MOTOR CO., INC.
  47. Raise the jack and line up the slots in the arms with the bolt holes on the corner of the jack base, then attach them with bolts securely.
  48. Remove the subframe.
    Fig 24: Identifying Subframe
    G05459492Courtesy of AMERICAN HONDA MOTOR CO., INC.
  49. Hang the steering gearbox with a rope.
  50. Lower the vehicle on the lift.
  51. Remove the harness clamps (A), then remove the transmission mount (B).
    Fig 25: Identifying Harness Clamps And Transmission Mount
    G05459493Courtesy of AMERICAN HONDA MOTOR CO., INC.
  52. Install the transmission hanger bracket (P/N 21232-RCT-A00) (A) and washer (B) on the transmission.
    Fig 26: Identifying Transmission Hanger Bracket And Washer
    G05459494Courtesy of AMERICAN HONDA MOTOR CO., INC.
  53. Attach the universal eyelet (A) to the drive belt auto-tensioner with the support bolt (B).
    Fig 27: Identifying Universal Eyelet
    G05459495Courtesy of AMERICAN HONDA MOTOR CO., INC.
  54. Attach a chain hoist (A) to the universal eyelet (B), and the transmission hook (C). Lift up on the engine/transmission assembly until it's securely supported by the chain hoist, then remove the engine hanger.
    Fig 28: Attaching Chain Hoist To Universal Eyelet And Transmission Hook
    G05459496Courtesy of AMERICAN HONDA MOTOR CO., INC.
  55. Remove the side engine mount bracket mounting bolt and nut.
    Fig 29: Identifying Side Engine Mount Bracket Mounting Bolt And Nut
    G05459497Courtesy of AMERICAN HONDA MOTOR CO., INC.
  56. Check that the engine/transmission is completely free of vacuum hoses, fuel and coolant hoses, and electrical wiring.
  57. Slowly lower the engine/transmission assembly about 150 mm (6 in.). Check once again that all hoses and electrical wiring are disconnected and free from the engine/transmission, then lower it all the way.
  58. Disconnect the chain hoist from the engine/transmission assembly.
  59. Raise the vehicle all the way on the lift, then remove the engine/transmission assembly from under the vehicle.
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