Whine or Growl Noise from the Power Steering System Without Hydraulic Brake Booster
Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
1 | Did you review the Power Steering System General Description and perform the necessary inspections? | Go to Step 2 | |||||||
2 | Verify that a whine or growl noise is present. Is a whine or growl noise present? | Go to Step 3 | System OK | ||||||
3 | Inspect the power steering fluid for the following indications of contamination:
Is the fluid free of contamination? | Go to Step 5 | Go to Step 4 | ||||||
4 | Flush the power steering system. Refer to Power Steering System Bleeding . Did you complete the procedure? | Go to Step 11 | Go to Step 5 | ||||||
5 | Inspect the power steering gear for a whine or growl noise using J 39570 . Is the noise present at the power steering gear? | Go to Step 8 | Go to Step 6 | ||||||
6 | Inspect the power steering pump for a whine or growl noise using J 39570 . Is the noise present at the power steering pump? | Go to Step 9 | Go to Step 7 | ||||||
7 | Inspect the power steering hoses for a whine or growl noise using J 39570 . Is the noise present at the power steering hoses? | Go to Step 10 | Go to Step 2 | ||||||
8 | Replace the power steering gear. Refer to Steering Gear Replacement . Did you complete the repair? | Go to Step 11 | -- | ||||||
9 | Replace the power steering pump. Refer to Power Steering Pump Replacement . Did you complete the repair? | Go to Step 11 | -- | ||||||
10 | Adjust the routing of the power steering hoses. Did you complete the repair? | Go to Step 11 | -- | ||||||
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Whine or Growl Noise from the Power Steering System With Hydraulic Brake Booster
Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
1 | Did you review the Power Steering System General Description and perform the necessary inspections? | Go to Step 2 | |||||||
2 | Verify that a whine or growl noise is present. Is a whine or growl noise present? | Go to Step 3 | System OK | ||||||
3 | Inspect the power steering fluid for the following indications of contamination:
Is the fluid free of contamination? | Go to Step 5 | Go to Step 4 | ||||||
4 | Flush the power steering system. Refer to Power Steering System Flushing. Did you complete the procedure? | Go to Step 13 | Go to Step 5 | ||||||
5 | Inspect the power steering gear for a whine or growl noise using J 39570 . Is the noise present at the power steering gear? | Go to Step 9 | Go to Step 6 | ||||||
6 | Inspect the power steering pump for a whine or growl noise using J 39570 . Is the noise present at the power steering pump? | Go to Step 10 | Go to Step 7 | ||||||
7 | Inspect the power steering hoses for a whine or growl noise using J 39570 . Is the noise present at the power steering hoses? | Go to Step 11 | Go to Step 8 | ||||||
8 | Inspect the hydraulic brake booster for a whine or growl noise using J 39570 . Is the noise present at the hydro boost? | Go to Step 12 | -- | ||||||
9 | Replace the power steering gear. Refer to Steering Gear Replacement. Did you complete the repair? | Go to Step 13 | -- | ||||||
10 | Replace the power steering pump. Refer to Power Steering Pump Replacement. Did you complete the repair? | Go to Step 13 | -- | ||||||
11 | Adjust the routing of the power steering hoses. Did you complete the repair? | Go to Step 13 | -- | ||||||
12 | Diagnose the hydraulic brake booster. Refer to Diagnostic Starting Point - Hydraulic Brakes. Did you correct the condition? | Go to Step 13 | -- | ||||||
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Whine or Growl Noise from the Power Steering System Two-Mode
Step | Action | Yes | No |
|---|---|---|---|
1 | Did you review the Power Steering System General Description and perform the necessary inspections? | Go to Step 2 | |
2 | Verify that a whine or growl noise is present. Is a whine or growl noise present? | Go to Step 3 | System OK |
3 | Inspect the power steering gear for looseness and/or worn bushings. Is the steering gear loose or the bushings worn? | Go to Step 6 | Go to Step 4 |
4 | Inspect the power steering assist motor for a whine or growl noise using chassis ear J 39570 . Is the noise present at the power steering motor? | Go to Step 7 | Go to Step 5 |
5 | Inspect the power steering gear for a whine or growl noise using chassis ear J 39570 . Is the noise present at the power steering gear? | Go to Step 8 | Go to Step 3 |
6 | Tighten the power steering gear fasteners or replace the power steering gear due to worn bushings. Refer to the appropriate procedure(s): Did you complete the repair? | Go to Step 9 | -- |
7 | Replace the power steering assist motor. Refer to Power Steering Assist Motor Replacement. Did you complete the repair? | Go to Step 9 | -- |
8 | Replace the power steering gear. Refer to Steering Gear Replacement. Did you complete the repair? | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
