GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 XLR 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Ride Diagnosis

Step

Action

Yes

No

1

Did you review the Diagnostic Starting Point - Suspension General Diagnosis?

Go to Step 2

Go to Diagnostic Starting Point - Suspension General Diagnosis

2

Verify that the ride is too soft or too hard.

Does the vehicle ride normally?

System OK

Go to Step 3

3

Inspect the tires for the proper inflation pressure. Refer to Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label .

Is the tire inflation pressure correct?

Go to Step 5

Go to Step 4

4

Inflate the tires to the correct pressure.

Did you complete the repair?

Go to Step 5

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5
  1. Inspect the vehicle trim height. Refer to Trim Height Specifications .
  2. Repair as necessary.

Did you complete the inspection/repair?

Go to Step 6

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6
  1. If equipped, inspect the electronic suspension control system. Refer to Diagnostic Starting Point - Electronic Suspension Control .
  2. Repair as necessary.

Did you find and complete the repair?

Go to Step 9

Go to Step 7

7

Inspect the following suspension components for wear or damage:

    • Springs
    • Shock Absorbers

Refer to Suspension Strut and Shock Absorber Testing - On Vehicle .

Are any of the components worn or damaged?

Go to Step 8

Go to Step 9

8

Replace all of the worn or damaged components.

    • For shock absorber replacement, refer to Shock Absorber Replacement or Shock Absorber Replacement .
    • For spring replacement, refer to Front Transverse Spring Replacement or Rear Transverse Spring Replacement .

Did you complete the repair?

Go to Step 9

--

9

Drive the vehicle in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3