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Rear Suspension System Cadillac SRX II

Suspension Rear 13 illustrations ~770 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Adjust Link Inner Nut60 N.m + 40 degrees44 lb ft + 40 degrees
Adjust Link Outer Nut40 N.m + 110 degrees30 lb ft + 110 degrees
Adjust Link Lock Nut135 N.m100 lb ft
Rear Suspension Link Upper to Lower Control Arm-Upper Bolt150 N.m + 90 degrees111 lb ft + 90 degrees
Rear Suspension Link Upper to Lower Control Arm-Lower Bolt40 N.m + 90 degrees30 lb ft + 90 degrees
Rear Suspension Lower Control Arm Ball Joint Nut40 N.m + 125 degrees30 lb ft + 125 degrees
Rear Suspension Lower Control Arm Bolts100 N.m + 90 degrees74 lb ft + 90 degrees
Rear Suspension Upper Control Arm Inner Bolt70 N.m + 60 degrees52 lb ft + 60 degrees
Rear Wheel Bearing and Hub Bolt110 N.m81 lb ft
Stabilizer Shaft Link Nut15 N.m11 lb ft
Stabilizer Shaft Insulator Bolt50 N.m37 lb ft
Shock Absorber Nut17 N.m13 lb ft
Shock Absorber Bolt100 N.m74 lb ft

Scheme 1

Scheme 1: Rear Wheel Bearing and Hub Replacement
Scheme 1: Rear Wheel Bearing and Hub Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Separate the wheel drive shaft from the knuckle, if needed. Refer to Rear Wheel Drive Shaft Replacement . Remove the rear brake rotor. Refer to Rear Brake Rotor Replacement . Remove the Rear Wheel Speed Sensor. Refer to Rear Wheel Speed Sensor Replacement .
1Wheel Bearing and Hub Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 110 N.m (81 lb ft)
2Wheel Bearing and Hub Assembly
CAUTION
Refer to Fastener Caution .

Scheme 2

Scheme 2: Rear Suspension Link Replacement - Upper to Lower Control Arm
Scheme 2: Rear Suspension Link Replacement - Upper to Lower Control Arm
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Rear Suspension Upper Control Arm Nut
2Rear Suspension Upper Control Arm Bolt CAUTION: Refer to Fastener Caution . Tighten: 150 N.m (110 lb ft) plus an additional 90 degrees
3Rear Suspension Lower Control Arm Nut
4Rear Suspension Lower Control Arm Bolt Tighten: 40 N.m plus an additional 90 degrees (66 lb ft) plus an additional 90 degrees
5Rear Suspension Link
CAUTION
Refer to Fastener Caution .

Scheme 3

Scheme 3: Knuckle Replacement
Scheme 3: Knuckle Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Remove the rear disc brake backing plate. Refer to Rear Brake Backing Plate Replacement .
1Rear Suspension Knuckle Procedure Remove the park brake cable from the knuckle. For the left park brake cable, refer to Parking Brake Rear Cable Replacement - Left Side (FWD) Parking Brake Rear Cable Replacement - Left Side (AWD) . For the right park brake cable, refer to Parking Brake Rear Cable Replacement - Right Side (FWD) Parking Brake Rear Cable Replacement - Right Side (AWD) . Separate the lower control arm from the knuckle. Refer to Rear Axle Lower Control Arm Replacement Remove the upper control arm bolt. Refer to Rear Axle Upper Control Arm Replacement Remove the adjust link from the knuckle. Refer to Adjust Link Replacement .

Scheme 4

Scheme 4: Rear Axle Upper Control Arm Replacement
Scheme 4: Rear Axle Upper Control Arm Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Support the rear lower control arm, if needed.
1Rear Suspension Upper Control Arm Nut
2Rear Suspension Upper Control Arm Adjuster Cam
3Rear Suspension Upper Control Arm Adjuster Bolt CAUTION: Refer to Fastener Caution . Tighten: 70 N.m (52 lb ft) plus an additional 60 degrees
4Rear Suspension Upper Control Arm Bolt Tighten: 150 N.m (111 lb ft) plus an additional 90 degrees
5Rear Suspension Upper Control Arm Nut
6Rear Suspension Upper Control Arm Procedure: Check and adjust the rear camber. Refer to Rear Camber Adjustment .
CAUTION
Refer to Fastener Caution .

Scheme 5

Scheme 5: Rear Axle Lower Control Arm Replacement
Scheme 5: Rear Axle Lower Control Arm Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the rear spring. Refer to Rear Spring, Insulator, and Jounce Bumper Replacement .
1Rear Suspension Lower Control Arm Ball Joint Nut CAUTION: Refer to Fastener Caution . Procedure: Using the CH 43631: remover, remove the lower control arm from the knuckle. Tighten: 40 N.m plus an additional 125 degrees (30 lb ft) plus an additional 125 degrees Special Tools: CH 43631: Ball Joint Remover
2Rear Suspension Lower Control Arm Nut (Qty: 2)
3Rear Suspension Lower Control Arm Bolt (Qty: 2) Tighten: 100 N.m plus an additional 90 degrees (74 lb ft) plus an additional 90 degrees
4Rear Suspension Lower Control Arm
CAUTION
Refer to Fastener Caution .

Scheme 6

Scheme 6: Stabilizer Shaft Replacement
Scheme 6: Stabilizer Shaft Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Remove the stabilizer links from the stabilizer shaft. Refer to Stabilizer Shaft Link Replacement . Remove the stabilizer insulators. Refer to Stabilizer Shaft Insulator Replacement
1Stabilizer Shaft

Scheme 7

Scheme 7: Stabilizer Shaft Insulator Replacement
Scheme 7: Stabilizer Shaft Insulator Replacement
CalloutComponent Name
Preliminary Procedure Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Stabilizer Shaft Insulator Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tip: DO NOT re-use the old bolts, replace with NEW only. Tighten: 22 N.m (16 lb ft) plus an additional 30 degrees
2Stabilizer Shaft Bracket
3Stabilizer Shaft Insulator Tip: Ensure that the insulator is installed with the split facing down.
CAUTION
Refer to Fastener Caution .

Scheme 8

Scheme 8: Stabilizer Shaft Link Replacement
Scheme 8: Stabilizer Shaft Link Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Stabilizer Shaft Nut CAUTION: Refer to Fastener Caution . Tip: The insulator is service as an assembly with the nut. Tighten: 15 N.m (11 lb ft)
2Stabilizer Shaft Link Bolt Tip: The insulator and the bolt is service as an assembly.
3Stabilizer Shaft Spacers Tip: The spacer and the insulators are serviced as an assembly.
CAUTION
Refer to Fastener Caution .

Strut and Shock Absorber Inspection (Shock Absorber)

Note. The shock absorber assembly DOES NOT have to be removed from the vehicle to perform the following inspection procedure.

Note. A light film of oil on the top portion of the lower shock absorber tube is normal. DO NOT replace the shock absorber for this condition.

Scheme 9

Scheme 9: Strut and Shock Absorber Inspection (Shock Absorber)
Scheme 9: Strut and Shock Absorber Inspection (Shock Absorber)

Condition 1

Oil or fluid residue only on the bottom or top of the shock absorber and not originating from the shaft seal, is not a shock absorber related problem. DO NOT replace the shock absorber, look for other external leaks.

Condition 2

Light film/residue on approximately 1/3 (a) or less of the lower shock tube (A) and originating from the shaft seal, is a NORMAL condition. DO NOT replace the shock absorber.

Condition 3

Oil drip or trail down the lower shock tube and originating from the shaft seal, is an ABNORMAL condition. Replace the shock absorber.

Condition 4

An extreme wet film of oil covering more than 1/3 (b) of the lower shock tube and originating from the shaft seal (B), is an ABNORMAL condition. Replace the shock absorber. Refer to Shock Absorber Replacement .

Inspection

  1. Verify the customer's concern is present. If the concern is present, continue to the next step. If the concern is not present, then the vehicle is operating normally.
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/srx/ii-2009-2012/remont/hoistjack/#general-information) .
  3. Visually inspect each of the shock absorbers for external fluid leaks. Refer to the following conditions 1, 2, 3, and 4 for visual inspection. If conditions 1 or 2 are found, continue to step 4. If conditions 3 or 4 are found, replace shock absorber. Refer to «Shock Absorber Replacement»(/cadillac/srx/ii-2009-2012/remont/suspension-rear/#rear-suspension-system) .
  4. If equipped with electronic suspension control system, ensure that the system is working properly. Refer to Diagnostic Starting Point - Electronic Suspension Control.
  5. Use your hands in order to lift up and push down on each corner of the vehicle 3 times. Remove your hands from the vehicle. If the corner motion exceeds 2 cycles, replace the shock absorber. If the shock absorber does not exceed 2 cycles, NO repair is necessary.

Scheme 10

Scheme 10: Shock Absorber Replacement
Scheme 10: Shock Absorber Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1Shock Absorber Bolt CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical for the electronic suspension, if equipped. Support the lower control arm with the proper jackstand. Tighten: 100 N.m (74 lb ft)
2Shock Absorber Nut (Qty: 2) Tighten: 17 N.m (13 lb ft)
3Shock Absorber
CAUTION
Refer to Fastener Caution .

Scheme 11

Scheme 11: Rear Spring, Insulator, and Jounce Bumper Replacement
Scheme 11: Rear Spring, Insulator, and Jounce Bumper Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Remove the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement . Separate the lower control arm from the knuckle. Refer to Rear Axle Lower Control Arm Replacement . Remove the lower shock absorber bolt from the lower control arm. Refer to Shock Absorber Replacement . Remove the lower bolt for the rear suspension link upper to lower control arm. Refer to Rear Suspension Link Replacement - Upper to Lower Control Arm .
1Rear Spring Procedure Remove the rear wheel speed sensor wiring harness from the lower control arm. Remove the electrical suspension harness for the rear shock, if equipped. Rotate the lower control arm as much as possible to remove the rear spring.
2Rear Spring Lower Insulator
3Rear Suspension Jounce Bumper

Scheme 12

Scheme 12: Adjust Link Replacement
Scheme 12: Adjust Link Replacement
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation
1Rear Suspension Adjust Link Nut CAUTION: Refer to Fastener Caution . Tighten: 40 N.m (30 lb ft) plus an additional 110 degrees
2Rear Suspension Adjust Link Bolt Outer
3Rear Suspension Adjust Link Nut Inner Tighten: 60 N.m (44 lb ft) plus an additional 40 degrees
4Rear Suspension Adjust Link Bolt Inner
5Rear Suspension Adjust Link Procedure Remove the bolt from the upper control arm to the knuckle, if the vehicle is equipped with All Wheel Drive. Refer to Rear Axle Upper Control Arm Replacement Separate the rear wheel drive shaft from the rear wheel bearing/hub. Refer to Rear Wheel Drive Shaft Replacement . Adjust the toe. Refer to Rear Toe Adjustment
CAUTION
Refer to Fastener Caution .

Special Tools

CH-49455: Ball Joint Remover

For equivalent regional tools, refer to Special Tools .

Removal Procedure

  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/srx/ii-2009-2012/remont/hoistjack/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/srx/ii-2009-2012/remont/wheel-tire-system/#tires-and-wheels) .
  3. Remove the rear wheel bearing and hub. Refer to «Rear Wheel Bearing and Hub Replacement»(/cadillac/srx/ii-2009-2012/remont/suspension-rear/#rear-suspension-system) .
  4. Use CH-49455: remover to remove and discard the wheel stud.

Installation Procedure

  1. Install the NEW wheel stud into the wheel bearing hub.
  2. Add enough washers (3) in order to draw the stud into the hub.
  3. Install the wheel nut (1) with the flat side against the washers.
  4. Tighten the wheel nut (1) until the head of the wheel stud is fully seated against the back of the bearing hub flange.
  5. Remove the wheel nut (1) and the washers (3).
  6. Install the rear wheel bearing and hub. Refer to «Rear Wheel Bearing and Hub Replacement»(/cadillac/srx/ii-2009-2012/remont/suspension-rear/#rear-suspension-system) .
  7. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/srx/ii-2009-2012/remont/wheel-tire-system/#tires-and-wheels) .
  8. Lower the vehicle.

Rear Suspension Description and Operation

The rear suspension system on this vehicle is of the independent link type. Rear suspension adjustment is achieved through adjustable toe links and lower control arms. The rear coil springs are retained between the body and the lower control arm. Rubber insulators isolate the coil spring at both top and bottom. The rear suspension consists of 2 shock absorbers attached to the knuckle and the reinforced body areas.

The rear suspension system performs the following functions

  1. Maintains the relationship of the rear axle to the body
  2. Controls the torque reaction on acceleration and braking

The suspension system consists of the following components

  1. Support assembly
  2. Coil springs and insulators
  3. Stabilizer shaft, insulators and stabilizer links
  4. Toe links
  5. Upper control arms
  6. Lower control arms
  7. Trailing arms
  8. Knuckles
  9. Wheel bearing/hub
  10. Shock absorbers

Illustration Tool Number/Description CH-43631 CH-49455 J-43631 Ball Joint Remover

Scheme 13

Scheme 13: Special Tools
Scheme 13: Special Tools