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Rear Suspension Acura RDX I

Wheel Hubs 41 illustrations ~2815 words

Scheme 47

Scheme 47: Exploded View
Scheme 47: Exploded View

Special Tools Required

Ball joint remover, 32 mm 07MAC-SL0A102

Scheme 48

Scheme 48: Hub Bearing Unit Replacement
Scheme 48: Hub Bearing Unit Replacement

Scheme 49

Scheme 49
Scheme 49

Scheme 50

Scheme 50
Scheme 50

Scheme 51

Scheme 51
Scheme 51

Scheme 52

Scheme 52
Scheme 52
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the wheel nuts (A) and rear wheel.
  3. Remove flange nuts (A), then remove the brake hose mounting bracket.
  4. Remove the brake caliper mounting bolts (B), then remove the caliper assembly (C) from the knuckle. To prevent damage to the caliper assembly or brake hose, use a short piece of wire to hang the caliper assembly from the undercarriage. Do not twist the brake hose excessively.
  5. Remove the two washers (A).
  6. Raise the stake (A), then remove the spindle nut (B).
  7. Release the parking brake* and remove the brake disc/drum (see «REAR BRAKE DISC REPLACEMENT»(/acura/rdx/i-2006-2009/remont/mechanical-hydraulic/#conventional-brake-components) ).
  8. Remove the hub bearing unit (A).
  9. Check the rear hub bearing unit for damage and cracks.
  10. Install the hub bearing unit in the reverse order of removal, and note these items: Use a new spindle nut during reassembly. Before installing the spindle nut, apply a small amount of engine oil to the seating surface of the nut. After tightening, use a drift to stake the spindle nut shoulder against the driveshaft. Before installing the brake disc/drum, clean the mating surface of the hub bearing unit and the inside of the brake disc/drum. Before installing the wheel, clean the mating surface of the brake disc/drum and the inside of the wheel. Check the wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 53

Scheme 53: Knuckle Replacement
Scheme 53: Knuckle Replacement

Scheme 54

Scheme 54
Scheme 54

Scheme 55

Scheme 55
Scheme 55

Scheme 56

Scheme 56
Scheme 56

Scheme 57

Scheme 57
Scheme 57

Scheme 58

Scheme 58
Scheme 58
  1. Remove the hub bearing unit.
  2. Remove the parking brake cable (A) from the trailing arm (B).
  3. Remove the flange nuts (C), then remove the backing plate (D). NOTE: To prevent damage to the backing plate or parking brake cable, use a short piece of wire to hang the backing plate from the undercarriage. Do not twist the parking brake cable excessively.
  4. Remove the wheel sensor (A) from the knuckle (B). Do not disconnect the wheel sensor connector. NOTE: Before installation, apply multipurpose grease inside the hole (C) on the knuckle.
  5. Remove the lock pin (A) from the upper arm ball joint (B), then loosen the castle nut (C). NOTE: During installation, install the lock pin after tightening the new castle nut.
  6. Disconnect the upper arm ball joint from the knuckle using the ball joint remover, 32 mm (see «BALL JOINT REMOVAL»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__ball-joint-removal) ).
  7. Remove the self-locking nut (B), the washer (C), and the flange bolt (D), then remove lower arm A. NOTE: During installation, install a new self-locking nut, a new washer, and a new flange bolt.
  8. Remove the self-locking nuts (A), and separate the knuckle from the trailing arm (B). NOTE: During installation, install new self-locking nuts.
  9. Position a floor jack under lower arm B.
  10. Remove the flange bolt (A), then remove the knuckle (C). NOTE: During installation, install a new flange bolt.
  11. Install the knuckle in the reverse order of removal, and note these items: First install all the components, and lightly tighten the bolts and nuts, then raise the suspension to load it with the vehicle's weight before fully tightening to the specified torque values. Be careful not to damage the ball joint boot when installing the knuckle. Before connecting the lower ball joint to the knuckle, degrease the threaded section and tapered portion of the ball joint pin, the knuckle connecting hole, the threaded section, and mating surface of the castle nut. Torque the castle nut to the lower torque specification, then tighten it only far enough to align the slot with the ball joint pin hole. Do not align the castle nut by loosening it. Use a new spindle nut during reassembly. Before installing the spindle nut, apply a small amount of engine oil to the seating surface of the nut. After tightening, use a drift to stake the spindle nut shoulder against the driveshaft. Before installing the brake disc, clean the mating surface of the front hub and the inside of the brake disc. Before installing the wheel, clean the mating surface of the brake disc and the inside of the wheel. Check the wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Upper Arm Removal/Installation

Special Tools Required

Ball joint remover, 32 mm 07MAC-SL0A102

Scheme 59

Scheme 59: Upper Arm Removal/Installation
Scheme 59: Upper Arm Removal/Installation

Scheme 60

Scheme 60
Scheme 60

Scheme 61

Scheme 61
Scheme 61
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Position a floor jack at the connecting point of lower arm B and the knuckle.
  4. Remove the lock pin (A) from the upper arm ball joint (B), and loosen the nut (C). NOTE: During installation, install the lock pin after tightening the new castle nut.
  5. Disconnect the upper arm ball joint from the knuckle using the ball joint remover (see «BALL JOINT REMOVAL»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__ball-joint-removal) ).
  6. Remove the flange bolt (A), then remove the upper arm (B) from the vehicle. NOTE: During installation, install a new flange bolt.
  7. Install the upper arm in the reverse order of removal, and note these items: First install all the components and lightly tighten the flange bolt and the castle nut, then raise the suspension to load it with the vehicle's weight before fully tightening to the specified torque values. Be careful not to damage the ball joint boot when installing the knuckle. Torque the castle nut to the lower torque specification, then tighten it only far enough to align the slot with the ball joint pin hole. Do not align the castle nut by loosening it. Before installing the wheel, clean the mating surface of the brake disc and the inside of the wheel. Check the wheel alignment, and adjust if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 62

Scheme 62: Lower Arm A Removal/Installation
Scheme 62: Lower Arm A Removal/Installation

Scheme 63

Scheme 63
Scheme 63
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Position a floor jack at the connecting point of lower arm B and the knuckle.
  4. Remove the self-locking nut (B), the washer (C), and the flange bolt (D). NOTE: During installation, install a new self-locking nut and a new flange bolt.
  5. Remove lower arm A from the vehicle.
  6. Install lower arm A in the reverse order of removal, and note these items: Tighten all mounting hardware to the specified torque values. First install all the components and lightly tighten the bolts and nuts, then raise the suspension to load it with the vehicle's weight before fully tightening to the specified torque values. Before installing the wheel, clean the mating surface on the brake disc/drum and the inside of the wheel. Check the wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 64

Scheme 64: Removal
Scheme 64: Removal

Scheme 65

Scheme 65
Scheme 65
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Position the floor jack at the connecting point of lower arm B and the lower damper mount.
  4. Disconnect the stabilizer link from lower arm B (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  5. Remove the flange bolt (A) that connects lower arm B to the knuckle.
  6. Remove the flange bolt (C) that connects lower arm B to the damper.
  7. Lower the floor jack gradually.
  8. Remove the spring (A) and the lower spring cushion (C).
  9. Mark the cam positions of the adjusting bolt (D) and adjusting cam (E), then remove the self-locking nut (F), adjusting cam, and adjusting bolt. Set aside the self-locking nut and control arm mounting nut, then remove lower arm B.

Scheme 66

Scheme 66: Installation
Scheme 66: Installation

Scheme 67

Scheme 67
Scheme 67
  1. Position lower arm B, and loosely install the new adjusting bolt (A), the adjusting cam (C), and the new self-locking nut (D).
  2. Install the spring (E), and the lower spring cushion (F). Align the bottom of the spring and the lower spring cushion with lower arm B as shown. (Scheme 67)
  3. Position the floor jack at the connecting point of lower arm B and the lower damper mount.
  4. Slowly raise the floor jack until you align the bolt hole with the holes in lower arm B and the knuckle, then loosely install the new flange bolt (A).
  5. Compress the damper by hand until you align the bolt hole with the holes in lower arm B and the damper, then loosely install the new flange bolt (C).
  6. Connect the stabilizer link to lower arm B (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  7. Raise the rear suspension with the floor jack until the vehicle just lifts off the safety stands, then tighten the flange bolts and the self-locking nut to the specified torque values.
  8. Clean the mating surface of the brake disc/drum and the inside of the wheel, then install the rear wheel.
  9. Check the rear wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 68

Scheme 68: Trailing Arm Removal/Installation
Scheme 68: Trailing Arm Removal/Installation

Scheme 69

Scheme 69
Scheme 69
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Remove the parking brake shoe (see «PARKING BRAKE SHOE REPLACEMENT»(/acura/rdx/i-2006-2009/remont/mechanical-hydraulic/#conventional-brake-components__parking-brake-shoe-replacement) ).
  4. Remove the parking brake cable from the backing plate (see «PARKING BRAKE CABLE REPLACEMENT»(/acura/rdx/i-2006-2009/remont/mechanical-hydraulic/#conventional-brake-components) ).
  5. Remove the parking brake cable (A) from the trailing arm (B).
  6. Remove the brake hose mounting bracket from the trailing arm (see step 3 on «HUB BEARING UNIT REPLACEMENT»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  7. Position a floor jack at the connecting point of the lower arm and the knuckle.
  8. Remove the self-locking nuts (A) and the flange bolts (B) from the trailing arm. NOTE: During installation, install new self-locking nuts and new flange bolts.
  9. Install the trailing arm in the reverse order of removal, and note these items: First install all the components and lightly tighten the bolts and nuts, then raise the suspension to load it with the vehicle's weight before fully tightening to the specified torque values. Check the brake hose and line joint for leaks, and tighten if necessary. Check the brake hose for interference and twisting. Before installing the wheel, clean the mating surfaces on the brake disc/drum and the inside of the wheel. After installation, check for leaks at the line joint, and retighten if necessary. Check the rear wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 70

Scheme 70: Stabilizer Link Removal/Installation
Scheme 70: Stabilizer Link Removal/Installation
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Remove the self-locking nut (A) and the flange nut (B) while holding the respective joint pin (C) with a hex wrench (D), then remove the stabilizer link (E).
  4. Install the stabilizer link on the stabilizer bar (F) and trailing arm (G) with the joint pins set at the center of their range of movement. NOTE: The stabilizer link has a paint mark (H). Align the paint mark facing inward.
  5. Install a new self-locking nut and a new flange nut, and lightly tighten them.
  6. Place the floor jack under the trailing arm, and raise the suspension to load it with the vehicle's weight.
  7. Tighten the self-locking nut and the flange nut to the specified torque values while holding the respective joint pins with a hex wrench.
  8. Reinstall all removed parts, and test-drive the vehicle.
  9. After 5 minutes of driving, tighten the self-locking nut again to the specified torque value.
  10. Clean the mating surface of the brake disc/drum and the inside of the wheel, then install the rear wheel.

Scheme 71

Scheme 71: Stabilizer Bar Replacement
Scheme 71: Stabilizer Bar Replacement
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheels.
  3. Disconnect both stabilizer links from the stabilizer bar (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  4. Remove the flange bolts (A) and the bushing holders (B), then remove the bushings (C) and the stabilizer bar (D).
  5. Install the stabilizer bar in the reverse order of removal, and note these items: Note the right and left direction of the stabilizer bar. The stabilizer bar has a paint mark (E) on the center facing downward. Refer to stabilizer link removal/installation to connect the stabilizer bar to the links (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ). Clean the mating surface of the brake disc/drum the inside of the wheel, then install the rear wheel. Check the wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 72

Scheme 72: Exploded View
Scheme 72: Exploded View

Scheme 73

Scheme 73: Removal
Scheme 73: Removal

Scheme 74

Scheme 74
Scheme 74

Scheme 75

Scheme 75
Scheme 75
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Position the floor jack at the connecting point of lower arm B and the knuckle. Raise the floor jack until the suspension begins to compress.
  4. Remove the flange bolt (A) from the bottom of the damper.
  5. Remove the lid (A) from the cargo area side trim panel.
  6. Remove the self-locking nut (A) while holding the damper shaft (B) with a hex wrench (C).
  7. Remove the damper mounting washer (D) and the damper mounting cushion (E) from the top of the damper.
  8. Compress the damper unit (A) by hand, and remove it from the vehicle. Be careful not to damage the body.

Scheme 76

Scheme 76
Scheme 76

Scheme 77

Scheme 77: Inspection
Scheme 77: Inspection
  1. Install the 10 mm flange nut on the damper shaft end, and set a socket wrench with T-handle on the nut.
  2. Compress the damper assembly by hand, and check for smooth operation through a full stroke, both compression and extension. The damper should extend smoothly and constantly when compression is released. If it does not, the gas is leaking and the damper should be replaced.
  3. Check for oil leaks, abnormal noises, and binding during these tests.

Scheme 78

Scheme 78: Installation
Scheme 78: Installation

Scheme 79

Scheme 79
Scheme 79

Scheme 80

Scheme 80
Scheme 80

Scheme 81

Scheme 81
Scheme 81

Scheme 82

Scheme 82
Scheme 82
  1. Install the damper mounting cushion (A) onto the damper unit (B). Compress the damper by hand, and move it into position. NOTE: Be careful not to damage the body.
  2. Position the floor jack under lower arm B to support the suspension.
  3. Slowly raise the floor jack until you align the bolt hole with the holes in lower arm B and the damper, then loosely install the new flange bolt (A).
  4. Raise the rear suspension with the floor jack until the vehicle just lifts off the safety stands, then tighten the flange bolt to the specified torque value.
  5. Install the damper mounting cushion (A), the damper mounting washer (B), and a new self-locking nut (C) on the damper shaft.
  6. Tighten the self-locking nut (A) to the specified torque value while holding the damper shaft (B) with a hex wrench (C).
  7. Install the lid (A) to the cargo area side trim panel.
  8. Clean the mating surface of the brake disc/drum and the inside of the wheel, then install the rear wheel.
  9. Check the wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

Scheme 83

Scheme 83: Exploded View
Scheme 83: Exploded View

Scheme 84

Scheme 84: Removal
Scheme 84: Removal

Scheme 85

Scheme 85
Scheme 85
  1. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see «SAFETY STANDS»(/acura/rdx/i-2006-2009/remont/paintcoatings/#general-information__safety-stands) ).
  2. Remove the rear wheel.
  3. Position the floor jack at the connecting point of lower arm B and the lower damper mount.
  4. Disconnect the stabilizer link from the lower arm B (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  5. Remove the flange bolt (A) that connects the lower arm B and the knuckle.
  6. Remove the flange bolt (C) that connects the lower arm B and the bottom of the damper.
  7. Lower the floor jack gradually.
  8. Remove the spring (A) and the lower spring cushion (B).
  9. Remove the flange bolt (C) that connects to the body, and remove the spring mounting collar (D) and the spring mounting cushion (E) if necessary.

Scheme 86

Scheme 86: Installation
Scheme 86: Installation

Scheme 87

Scheme 87
Scheme 87
  1. Install the spring mounting cushion (A) and the spring mounting collar (C), then tighten the flange bolt (D) to the specified torque value.
  2. Install the spring (E) and the lower spring cushion (F). Align the bottom of the spring and the lower spring cushion with lower arm B as shown.
  3. Position the floor jack at the connecting point of lower arm B and the knuckle.
  4. Slowly raise the floor jack until you align the bolt hole with the holes in lower arm B and the knuckle, then loosely install the new flange bolt (A).
  5. Compress the damper by hand until you can align the bolt hole with the holes in lower arm B and the damper, then loosely install the new flange bolt (C).
  6. Connect the stabilizer link to the lower arm B (see «STABILIZER LINK REMOVAL/INSTALLATION»(/acura/rdx/i-2006-2009/remont/wheel-hubs/#rear-suspension) ).
  7. Raise the rear suspension with the floor jack until the vehicle just lifts off the safety stands, then tighten the flange bolts and the self-locking nut to the specified torque values.
  8. Clean the mating surface of the brake disc/drum and the inside of the wheel, then install the rear wheel.
  9. Check the rear wheel alignment, and adjust it if necessary (see «WHEEL ALIGNMENT»(/acura/rdx/i-2006-2009/remont/wheel-alignment/#front-suspension-and-rear-suspension-alignment__wheel-alignment) ).

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