GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2005 🢒 H2 🢒 Suspension 🢒 Air Suspension 🢒 Ride Diagnosis

Step

Action

Yes

No

1

Did you review the General Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Suspension General Diagnosis

2

Important: Verify the vehicle suspension package RPO.

Verify that the ride is too soft or too hard.

Does the vehicle ride normally?

System OK

Go to Step 3

3

Check the tire inflation and adjust to specifications. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication.

Did you adjust the tire pressure?

Go to Step 7

Go to Step 4

4

Inspect the vehicle trim height. Refer to Trim Height Inspection .

Did you find and correct the condition?

Go to Step 7

Go to Step 5

5

Inspect the following suspension components for wear or damage.

    • The strut and shock absorbers--Refer to Suspension Strut and Shock Absorber Testing - On Vehicle .
    • The torsion bars and springs--Refer to Torsion Bar Replacement in Front Suspension, Coil Spring Replacement in Rear Suspension, or Air Spring Replacement in Air Suspension.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

6

If equipped with the air suspension system, refer to Diagnostic System Check - Vehicle in Vehicle DTC Information.

Did you find and correct a condition?

Go to Step 7

System OK

7

Drive the vehicle in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3